Trans

java.lang.Object
- org.pentaho.di.trans.Trans

All Implemented Interfaces:

ExecutorInterface, org.pentaho.di.core.ExtensionDataInterface, HasLogChannelInterface, org.pentaho.di.core.logging.LoggingObjectInterface, org.pentaho.di.core.parameters.NamedParams, org.pentaho.di.core.variables.VariableSpace
```
public class Trans
extends Object
implements org.pentaho.di.core.variables.VariableSpace, org.pentaho.di.core.parameters.NamedParams, HasLogChannelInterface, org.pentaho.di.core.logging.LoggingObjectInterface, ExecutorInterface, org.pentaho.di.core.ExtensionDataInterface
```
This class represents the information and operations associated with the concept of a Transformation. It loads, instantiates, initializes, runs, and monitors the execution of the transformation contained in the specified TransInfo object.

Since:

07-04-2003

Author:

Matt

Field Summary

Fields
Modifier and Type	Field and Description
`int`	`class_nr` The class number.
`static String`	`CONFIGURATION_IN_EXPORT_FILENAME` Constant specifying a filename containing XML to inject into a ZIP file created during resource export.
`static String`	`REPLAY_DATE_FORMAT` The replay date format.
`static String`	`STRING_FINISHED` Constant indicating a transformation status of Finished.
`static String`	`STRING_FINISHED_WITH_ERRORS` Constant indicating a transformation status of Finished (with errors).
`static String`	`STRING_HALTING` Constant indicating a transformation status of Halting.
`static String`	`STRING_INITIALIZING` Constant indicating a transformation status of Initializing.
`static String`	`STRING_PAUSED` Constant indicating a transformation status of Paused.
`static String`	`STRING_PREPARING` Constant indicating a transformation status of Preparing for execution.
`static String`	`STRING_RUNNING` Constant indicating a transformation status of Running.
`static String`	`STRING_STOPPED` Constant indicating a transformation status of Stopped.
`static String`	`STRING_WAITING` Constant indicating a transformation status of Waiting.
`static int`	`TYPE_DISP_1_1` Constant indicating a dispatch type of 1-to-1.
`static int`	`TYPE_DISP_1_N` Constant indicating a dispatch type of 1-to-N.
`static int`	`TYPE_DISP_N_1` Constant indicating a dispatch type of N-to-1.
`static int`	`TYPE_DISP_N_M` Constant indicating a dispatch type of N-to-M.
`static int`	`TYPE_DISP_N_N` Constant indicating a dispatch type of N-to-N.

Constructor Summary

Constructors
Constructor and Description
`Trans()` Instantiates a new transformation.
`Trans(Parent parent, Repository rep, String name, String dirname, String filename)` Instantiates a new transformation using any of the provided parameters including the variable bindings, a repository, a name, a repository directory name, and a filename.
`Trans(TransMeta transMeta)` Initializes a transformation from transformation meta-data defined in memory.
`Trans(TransMeta transMeta, org.pentaho.di.core.logging.LoggingObjectInterface parent)` Initializes a transformation from transformation meta-data defined in memory.

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`activateParameters()` Activates all parameters by setting their values.
`void`	`addDelegationListener(DelegationListener delegationListener)`
`void`	`addParameterDefinition(String key, String defValue, String description)` Adds a parameter definition to this transformation.
`RowProducer`	`addRowProducer(String stepname, int copynr)` This adds a row producer to the transformation that just got set up.
`void`	`addTransListener(TransListener transListener)` Adds a transformation listener.
`void`	`addTransStoppedListener(TransStoppedListener transStoppedListener)` Adds a stop-event listener to the transformation.
`void`	`beginProcessing()` Begin processing.
`void`	`calculateBatchIdAndDateRange()` Calculate the batch id and date range for the transformation.
`String`	`calculateTransactionId()` Calculates the transaction ID for the transformation.
`void`	`cleanup()` This method performs any cleanup operations, typically called after the transformation has finished.
`static int`	`cleanupCluster(org.pentaho.di.core.logging.LogChannelInterface log, TransSplitter transSplitter)` Cleanup the cluster, including the master and all slaves, and return the number of errors that occurred.
`static void`	`cleanupSlaveServer(TransSplitter transSplitter, SlaveServer slaveServer, TransMeta slaveTransMeta)` Cleanup the slave server as part of a clustered transformation.
`void`	`clearError()` Clear the error in the transformation, clear all the rows from all the row sets, to make sure the transformation can continue with other data.
`void`	`clearParameters()` Clear the values of all parameters.
`void`	`copyParametersFrom(org.pentaho.di.core.parameters.NamedParams params)` Copy parameters from a NamedParams object.
`void`	`copyVariablesFrom(org.pentaho.di.core.variables.VariableSpace space)` Copies variables from a given variable space to this transformation.
`void`	`doTopologySortOfSteps()`
`String`	`environmentSubstitute(String aString)` Substitutes any variable values into the given string, and returns the resolved string.
`String[]`	`environmentSubstitute(String[] aString)` Substitutes any variable values into each of the given strings, and returns an array containing the resolved string(s).
`void`	`eraseParameters()` Remove all parameters.
`void`	`execute(String[] arguments)` Executes the transformation.
`static TransSplitter`	`executeClustered(TransMeta transMeta, TransExecutionConfiguration executionConfiguration)` Execute the transformation in a clustered fashion.
`static void`	`executeClustered(TransSplitter transSplitter, TransExecutionConfiguration executionConfiguration)` Executes an existing TransSplitter, with the transformation already split.
`String`	`fieldSubstitute(String aString, org.pentaho.di.core.row.RowMetaInterface rowMeta, Object[] rowData)`
`List<StepInterface>`	`findBaseSteps(String stepname)` Find the base steps for the step with the specified name.
`StepDataInterface`	`findDataInterface(String name)` Find the data interface for the step with the specified name.
`MappingInput[]`	`findMappingInput()` Gets the mapping inputs for each step in the transformation.
`MappingOutput[]`	`findMappingOutput()` Gets the mapping outputs for each step in the transformation.
`org.pentaho.di.core.RowSet`	`findRowSet(String rowsetname)` Finds the RowSet with the specified name.
`org.pentaho.di.core.RowSet`	`findRowSet(String from, int fromcopy, String to, int tocopy)` Finds the RowSet between two steps (or copies of steps).
`StepInterface`	`findRunThread(String stepname)` Find the run thread for the step with the specified name.
`StepInterface`	`findStepInterface(String stepname, int copyNr)` Find the executing step copy for the step with the specified name and copy number
`List<StepInterface>`	`findStepInterfaces(String stepname)` Find the available executing step copies for the step with the specified name
`Map<String,Job>`	`getActiveSubjobs()` Gets the active sub-jobs.
`Map<String,Trans>`	`getActiveSubtransformations()` Gets the active sub-transformations.
`String[]`	`getArguments()`
`long`	`getBatchId()` Gets the batch ID of the transformation.
`boolean`	`getBooleanValueOfVariable(String variableName, boolean defaultValue)` Returns a boolean representation of the specified variable after performing any necessary substitution.
`static org.pentaho.di.core.Result`	`getClusteredTransformationResult(org.pentaho.di.core.logging.LogChannelInterface log, TransSplitter transSplitter, Job parentJob)` Gets the clustered transformation result.
`static org.pentaho.di.core.Result`	`getClusteredTransformationResult(org.pentaho.di.core.logging.LogChannelInterface log, TransSplitter transSplitter, Job parentJob, boolean loggingRemoteWork)` Gets the clustered transformation result.
`String`	`getContainerObjectId()` Gets the container object ID.
`Hashtable<String,org.pentaho.di.core.Counter>`	`getCounters()`
`Date`	`getCurrentDate()` Gets the current date/time object.
`List<DelegationListener>`	`getDelegationListeners()`
`Date`	`getDepDate()` Gets the dependency date for the transformation.
`Date`	`getEndDate()` Gets the end date/time object for the transformation.
`int`	`getEnded()` Gets the number of steps in the transformation that are in an end state, such as Finished, Halted, or Stopped.
`int`	`getErrors()` Gets the number of errors that have occurred during execution of the transformation.
`String`	`getExecutingServer()` Gets the name of the executing server.
`String`	`getExecutingUser()` Gets the name of the executing user.
`Map<String,Object>`	`getExtensionDataMap()`
`String`	`getFilename()` Gets the filename of the transformation, or null if no filename exists
`Date`	`getJobEndDate()` Gets the job end date.
`Date`	`getJobStartDate()` Gets the job start date.
`long`	`getLastProcessed()` Gets a representable metric of the "processed" lines of the last step.
`org.pentaho.di.core.logging.LogChannelInterface`	`getLogChannel()` Gets the log channel interface for the transformation.
`String`	`getLogChannelId()` Gets the log channel ID.
`Date`	`getLogDate()` Gets the date the transformation was logged.
`List<org.pentaho.di.core.logging.LoggingHierarchy>`	`getLoggingHierarchy()` Gets the logging hierarchy.
`org.pentaho.di.core.logging.LogLevel`	`getLogLevel()` Gets the log level.
`String`	`getMappingStepName()` Gets the mapping step name.
`org.pentaho.metastore.api.IMetaStore`	`getMetaStore()`
`String`	`getName()` Gets the name of the transformation.
`String`	`getObjectCopy()` Gets the object copy.
`org.pentaho.di.repository.ObjectId`	`getObjectId()` Gets the object ID.
`String`	`getObjectName()` Gets the object name.
`org.pentaho.di.repository.ObjectRevision`	`getObjectRevision()` Gets the object revision.
`org.pentaho.di.core.logging.LoggingObjectType`	`getObjectType()` Gets the object type.
`String`	`getParameterDefault(String key)` Gets the default value of the specified parameter.
`String`	`getParameterDescription(String key)` Gets the description of the specified parameter.
`String`	`getParameterValue(String key)` Gets the value of the specified parameter.
`org.pentaho.di.core.logging.LoggingObjectInterface`	`getParent()` Gets the parent logging object interface.
`Job`	`getParentJob()` Gets the parent job, or null if there is no parent.
`Trans`	`getParentTrans()` Gets the parent transformation, which is null if no parent transformation exists.
`org.pentaho.di.core.variables.VariableSpace`	`getParentVariableSpace()` Gets the parent variable space.
`long`	`getPassedBatchId()` Get the batch ID that is passed from the parent job to the transformation.
`org.pentaho.di.core.Result`	`getPreviousResult()`
`Date`	`getRegistrationDate()` Gets the registration date.
`Date`	`getReplayDate()` Gets the replay date.
`Repository`	`getRepository()` Gets the repository object for the transformation.
`org.pentaho.di.repository.RepositoryDirectoryInterface`	`getRepositoryDirectory()` Gets the repository directory.
`org.pentaho.di.core.Result`	`getResult()` Gets the result of the transformation.
`List<org.pentaho.di.core.ResultFile>`	`getResultFiles()`
`List<org.pentaho.di.core.RowMetaAndData>`	`getResultRows()`
`List<org.pentaho.di.core.RowSet>`	`getRowsets()` Gets the rowsets for the transformation.
`StepInterface`	`getRunThread(int i)` Gets the run thread for the step at the specified index.
`StepInterface`	`getRunThread(String name, int copy)` Gets the run thread for the step with the specified name and copy number.
`PrintWriter`	`getServletPrintWriter()` Gets the servlet print writer.
`javax.servlet.http.HttpServletRequest`	`getServletRequest()`
`javax.servlet.http.HttpServletResponse`	`getServletResponse()`
`SocketRepository`	`getSocketRepository()` Gets the socket repository.
`Date`	`getStartDate()` Gets the start date/time object for the transformation.
`String`	`getStatus()` Gets the status of the transformation (Halting, Finished, Paused, etc.)
`StepDataInterface`	`getStepDataInterface(String stepname, int stepcopy)` Finds the StepDataInterface (currently) associated with the specified step.
`StepInterface`	`getStepInterface(String stepname, int copy)` Find the StepInterface (thread) by looking it up using the name.
`Map<String,List<StepPerformanceSnapShot>>`	`getStepPerformanceSnapShots()` Gets a named list (map) of step performance snapshots.
`List<StepMetaDataCombi>`	`getSteps()` Gets a list of steps in the transformation.
`String`	`getThreadName()` Deprecated. please use getTransactionId() instead
`String`	`getTransactionId()` Gets the transaction ID for the transformation.
`List<TransListener>`	`getTransListeners()` Gets a list of the transformation listeners.
`TransMeta`	`getTransMeta()` Gets the meta-data for the transformation.
`BaseStepData.StepExecutionStatus[]`	`getTransStepExecutionStatusLookup()` Checks the execution status of each step in the transformations.
`boolean[]`	`getTransStepIsRunningLookup()` Checks whether the transformation steps are running lookup.
`List<TransStoppedListener>`	`getTransStoppedListeners()` Gets the list of stop-event listeners for the transformation.
`String`	`getVariable(String variableName)` Gets the value of the specified variable, or returns a default value if no such variable exists.
`String`	`getVariable(String variableName, String defaultValue)` Gets the value of the specified variable, or returns a default value if no such variable exists.
`boolean`	`hasHaltedSteps()` Checks whether the transformation has any steps that are halted.
`boolean`	`hasStepStarted(String sname, int copy)` Checks whether the specified step (or step copy) has started.
`void`	`initializeVariablesFrom(org.pentaho.di.core.variables.VariableSpace parent)` Sets the values of the transformation's variables to the values from the parent variables.
`void`	`injectVariables(Map<String,String> prop)` Injects variables using the given Map.
`boolean`	`isFinished()` Checks if the transformation is finished\.
`boolean`	`isFinishedOrStopped()`
`boolean`	`isForcingSeparateLogging()`
`boolean`	`isGatheringMetrics()`
`boolean`	`isInitializing()` Checks whether the transformation is initializing.
`boolean`	`isMonitored()` Checks whether the running transformation is being monitored.
`boolean`	`isPaused()` Checks if the transformation is paused.
`boolean`	`isPreparing()` Checks whether the transformation is preparing for execution.
`boolean`	`isPreview()` Checks whether the transformation is being previewed.
`boolean`	`isReadyToStart()` Checks whether the transformation is ready to start (i.e.
`boolean`	`isRunning()` Checks whether the transformation is running.
`boolean`	`isSafeModeEnabled()` Checks whether safe mode is enabled.
`boolean`	`isStopped()` Checks if the transformation is stopped.
`void`	`killAll()` Attempts to stops all running steps and subtransformations.
`String[]`	`listParameters()` Gets a list of the parameters for the transformation.
`String[]`	`listVariables()` Gets a list of variable names for the transformation.
`void`	`logSummary(StepInterface si)` Logs a summary message for the specified step.
`static long`	`monitorClusteredTransformation(org.pentaho.di.core.logging.LogChannelInterface log, TransSplitter transSplitter, Job parentJob)` Monitors a clustered transformation every second, after all the transformations in a cluster schema are running.
`static long`	`monitorClusteredTransformation(org.pentaho.di.core.logging.LogChannelInterface log, TransSplitter transSplitter, Job parentJob, int sleepTimeSeconds)` Monitors a clustered transformation every second, after all the transformations in a cluster schema are running.
`static void`	`monitorRemoteTransformation(org.pentaho.di.core.logging.LogChannelInterface log, String carteObjectId, String transName, SlaveServer remoteSlaveServer)` Monitors a remote transformation every 5 seconds.
`static void`	`monitorRemoteTransformation(org.pentaho.di.core.logging.LogChannelInterface log, String carteObjectId, String transName, SlaveServer remoteSlaveServer, int sleepTimeSeconds)` Monitors a remote transformation at the specified interval.
`int`	`nrActiveSteps()` Gets the number of active (i.e.
`int`	`nrSteps()` Gets the number of steps in this transformation.
`void`	`pauseRunning()` Pauses the transformation (pause all steps).
`void`	`prepareExecution(String[] arguments)` Prepares the transformation for execution.
`void`	`printStats(int seconds)` Logs the execution statistics for the transformation for the specified time interval.
`void`	`resumeRunning()` Resumes running the transformation after a pause (resume all steps).
`static String`	`sendToSlaveServer(TransMeta transMeta, TransExecutionConfiguration executionConfiguration, Repository repository, org.pentaho.metastore.api.IMetaStore metaStore)` Send the transformation for execution to a Carte slave server.
`void`	`setArguments(String[] arguments)`
`void`	`setBatchId(long batchId)` Sets the batch ID of the transformation.
`void`	`setContainerObjectId(String containerObjectId)` Sets the container object ID.
`void`	`setCounters(Hashtable<String,org.pentaho.di.core.Counter> counters)`
`void`	`setDelegationListeners(List<DelegationListener> delegationListeners)`
`void`	`setExecutingServer(String executingServer)` Sets the name of the executing server.
`void`	`setExecutingUser(String executingUser)` Sets the name of the executing user.
`void`	`setForcingSeparateLogging(boolean forcingSeparateLogging)`
`void`	`setGatheringMetrics(boolean gatheringMetrics)`
`void`	`setInitializing(boolean initializing)` Sets whether the transformation is initializing.
`void`	`setInternalKettleVariables(org.pentaho.di.core.variables.VariableSpace var)` Sets the internal kettle variables.
`void`	`setJobEndDate(Date jobEndDate)` Sets the job end date.
`void`	`setJobStartDate(Date jobStartDate)` Sets the job start date.
`void`	`setLog(org.pentaho.di.core.logging.LogChannelInterface log)` Sets the log channel interface for the transformation.
`void`	`setLogLevel(org.pentaho.di.core.logging.LogLevel logLevel)` Sets the log level.
`void`	`setMappingStepName(String mappingStepName)` Sets the mapping step name.
`void`	`setMetaStore(org.pentaho.metastore.api.IMetaStore metaStore)`
`void`	`setMonitored(boolean monitored)` Sets whether the running transformation should be monitored.
`void`	`setParameterValue(String key, String value)` Sets the value for the specified parameter.
`void`	`setParent(org.pentaho.di.core.logging.LoggingObjectInterface parent)` Sets the parent logging object.
`void`	`setParentJob(Job parentJob)` Sets the parent job for the transformation.
`void`	`setParentTrans(Trans parentTrans)` Sets the parent transformation.
`void`	`setParentVariableSpace(org.pentaho.di.core.variables.VariableSpace parent)` Sets the parent variable space.
`void`	`setPassedBatchId(long jobBatchId)` Sets the passed batch ID of the transformation from the batch ID of the parent job.
`void`	`setPreparing(boolean preparing)` Sets whether the transformation is preparing for execution.
`void`	`setPreview(boolean preview)` Sets whether the transformation is being previewed.
`void`	`setPreviousResult(org.pentaho.di.core.Result previousResult)`
`void`	`setReplayDate(Date replayDate)` Sets the replay date.
`void`	`setRepository(Repository repository)` Sets the repository object for the transformation.
`void`	`setResultFiles(List<org.pentaho.di.core.ResultFile> resultFiles)`
`void`	`setResultRows(List<org.pentaho.di.core.RowMetaAndData> resultRows)`
`void`	`setRunning(boolean running)` Sets whether the transformation is running.
`void`	`setSafeModeEnabled(boolean safeModeEnabled)` Turn on safe mode during running: the transformation will run slower but with more checking enabled.
`void`	`setServletPrintWriter(PrintWriter servletPrintWriter)` Sets the servlet print writer.
`void`	`setServletReponse(javax.servlet.http.HttpServletResponse response)` Sets encoding of HttpServletResponse according to System encoding.Check if system encoding is null or an empty and set it to HttpServletResponse when not and writes error to log if null.
`void`	`setServletRequest(javax.servlet.http.HttpServletRequest request)`
`void`	`setSocketRepository(SocketRepository socketRepository)` Sets the socket repository.
`void`	`setStepPerformanceSnapShots(Map<String,List<StepPerformanceSnapShot>> stepPerformanceSnapShots)` Sets the named list (map) of step performance snapshots.
`void`	`setThreadName(String threadName)` Deprecated. please use setTransactionId() instead
`void`	`setTransactionId(String transactionId)` Sets the transaction ID for the transformation.
`void`	`setTransListeners(List<TransListener> transListeners)` Sets the list of transformation listeners.
`void`	`setTransMeta(TransMeta transMeta)` Sets the meta-data for the transformation.
`void`	`setTransStoppedListeners(List<TransStoppedListener> transStoppedListeners)` Sets the list of stop-event listeners for the transformation.
`void`	`setVariable(String variableName, String variableValue)` Sets the value of the specified variable to the specified value.
`void`	`shareVariablesWith(org.pentaho.di.core.variables.VariableSpace space)` Shares a variable space from another variable space.
`void`	`startThreads()` Starts the threads prepared by prepareThreads().
`void`	`stopAll()` Stops all steps from running, and alerts any registered listeners.
`String`	`toString()` Gets a string representation of the transformation.
`void`	`waitUntilFinished()` Waits until all RunThreads have finished.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - REPLAY_DATE_FORMAT
```
public static final String REPLAY_DATE_FORMAT
```
    The replay date format.
    
    See Also:
    Constant Field Values
  - class_nr
```
public int class_nr
```
    The class number.
  - TYPE_DISP_1_1
```
public static final int TYPE_DISP_1_1
```
    Constant indicating a dispatch type of 1-to-1.
    
    See Also:
    Constant Field Values
  - TYPE_DISP_1_N
```
public static final int TYPE_DISP_1_N
```
    Constant indicating a dispatch type of 1-to-N.
    
    See Also:
    Constant Field Values
  - TYPE_DISP_N_1
```
public static final int TYPE_DISP_N_1
```
    Constant indicating a dispatch type of N-to-1.
    
    See Also:
    Constant Field Values
  - TYPE_DISP_N_N
```
public static final int TYPE_DISP_N_N
```
    Constant indicating a dispatch type of N-to-N.
    
    See Also:
    Constant Field Values
  - TYPE_DISP_N_M
```
public static final int TYPE_DISP_N_M
```
    Constant indicating a dispatch type of N-to-M.
    
    See Also:
    Constant Field Values
  - STRING_FINISHED
```
public static final String STRING_FINISHED
```
    Constant indicating a transformation status of Finished.
    
    See Also:
    Constant Field Values
  - STRING_FINISHED_WITH_ERRORS
```
public static final String STRING_FINISHED_WITH_ERRORS
```
    Constant indicating a transformation status of Finished (with errors).
    
    See Also:
    Constant Field Values
  - STRING_RUNNING
```
public static final String STRING_RUNNING
```
    Constant indicating a transformation status of Running.
    
    See Also:
    Constant Field Values
  - STRING_PAUSED
```
public static final String STRING_PAUSED
```
    Constant indicating a transformation status of Paused.
    
    See Also:
    Constant Field Values
  - STRING_PREPARING
```
public static final String STRING_PREPARING
```
    Constant indicating a transformation status of Preparing for execution.
    
    See Also:
    Constant Field Values
  - STRING_INITIALIZING
```
public static final String STRING_INITIALIZING
```
    Constant indicating a transformation status of Initializing.
    
    See Also:
    Constant Field Values
  - STRING_WAITING
```
public static final String STRING_WAITING
```
    Constant indicating a transformation status of Waiting.
    
    See Also:
    Constant Field Values
  - STRING_STOPPED
```
public static final String STRING_STOPPED
```
    Constant indicating a transformation status of Stopped.
    
    See Also:
    Constant Field Values
  - STRING_HALTING
```
public static final String STRING_HALTING
```
    Constant indicating a transformation status of Halting.
    
    See Also:
    Constant Field Values
  - CONFIGURATION_IN_EXPORT_FILENAME
```
public static final String CONFIGURATION_IN_EXPORT_FILENAME
```
    Constant specifying a filename containing XML to inject into a ZIP file created during resource export.
    
    See Also:
    Constant Field Values
- Constructor Detail
  - Trans
```
public Trans()
```
    Instantiates a new transformation.
  - Trans
```
public Trans(TransMeta transMeta)
```
    Initializes a transformation from transformation meta-data defined in memory.
    
    Parameters:
    transMeta - the transformation meta-data to use.
  - Trans
```
public Trans(TransMeta transMeta,
     org.pentaho.di.core.logging.LoggingObjectInterface parent)
```
    Initializes a transformation from transformation meta-data defined in memory. Also take into account the parent log channel interface (job or transformation) for logging lineage purposes.
    
    Parameters:
    transMeta - the transformation meta-data to use.
    parent - the parent job that is executing this transformation
  - Trans
```
public Trans(Parent parent,
     Repository rep,
     String name,
     String dirname,
     String filename)
      throws org.pentaho.di.core.exception.KettleException
```
    Instantiates a new transformation using any of the provided parameters including the variable bindings, a repository, a name, a repository directory name, and a filename. This is a multi-purpose method that supports loading a transformation from a file (if the filename is provided but not a repository object) or from a repository (if the repository object, repository directory name, and transformation name are specified).
    
    Parameters:
    parent - the parent variable space and named params
    rep - the repository
    name - the name of the transformation
    dirname - the dirname the repository directory name
    filename - the filename containing the transformation definition
    
    Throws:
    
    org.pentaho.di.core.exception.KettleException - if any error occurs during loading, parsing, or creation of the transformation
- Method Detail
  - setParent
```
public void setParent(org.pentaho.di.core.logging.LoggingObjectInterface parent)
```
    Sets the parent logging object.
    
    Parameters:
    parent - the new parent
  - getLogChannel
```
public org.pentaho.di.core.logging.LogChannelInterface getLogChannel()
```
    Gets the log channel interface for the transformation.
    
    Specified by:
    
    getLogChannel in interface HasLogChannelInterface
    
    Returns:
    the log channel
    See Also:
    HasLogChannelInterface.getLogChannel()
  - setLog
```
public void setLog(org.pentaho.di.core.logging.LogChannelInterface log)
```
    Sets the log channel interface for the transformation.
    
    Parameters:
    log - the new log channel interface
  - getName
```
public String getName()
```
    Gets the name of the transformation.
    
    Returns:
    the transformation name
  - execute
```
public void execute(String[] arguments)
             throws org.pentaho.di.core.exception.KettleException
```
    Executes the transformation. This method will prepare the transformation for execution and then start all the threads associated with the transformation and its steps.
    
    Parameters:
    arguments - the arguments
    
    Throws:
    
    org.pentaho.di.core.exception.KettleException - if the transformation could not be prepared (initialized)
  - prepareExecution
```
public void prepareExecution(String[] arguments)
                      throws org.pentaho.di.core.exception.KettleException
```
    Prepares the transformation for execution. This includes setting the arguments and parameters as well as preparing and tracking the steps and hops in the transformation.
    
    Parameters:
    arguments - the arguments to use for this transformation
    
    Throws:
    
    org.pentaho.di.core.exception.KettleException - in case the transformation could not be prepared (initialized)
  - startThreads
```
public void startThreads()
                  throws org.pentaho.di.core.exception.KettleException
```
    Starts the threads prepared by prepareThreads(). Before you start the threads, you can add RowListeners to them.
    
    Throws:
    
    org.pentaho.di.core.exception.KettleException - if there is a communication error with a remote output socket.
  - cleanup
```
public void cleanup()
```
    This method performs any cleanup operations, typically called after the transformation has finished. Specifically, after ALL the slave transformations in a clustered run have finished.
  - logSummary
```
public void logSummary(StepInterface si)
```
    Logs a summary message for the specified step.
    
    Parameters:
    si - the step interface
  - waitUntilFinished
```
public void waitUntilFinished()
```
    Waits until all RunThreads have finished.
  - getErrors
```
public int getErrors()
```
    Gets the number of errors that have occurred during execution of the transformation.
    
    Returns:
    the number of errors
  - getEnded
```
public int getEnded()
```
    Gets the number of steps in the transformation that are in an end state, such as Finished, Halted, or Stopped.
    
    Returns:
    the number of ended steps
  - isFinished
```
public boolean isFinished()
```
    Checks if the transformation is finished\.
    
    Returns:
    true if the transformation is finished, false otherwise
  - isFinishedOrStopped
```
public boolean isFinishedOrStopped()
```
  - killAll
```
public void killAll()
```
    Attempts to stops all running steps and subtransformations. If all steps have finished, the transformation is marked as Finished.
  - printStats
```
public void printStats(int seconds)
```
    Logs the execution statistics for the transformation for the specified time interval. If the total length of execution is supplied as the interval, then the statistics represent the average throughput (lines read/written/updated/rejected/etc. per second) for the entire execution.
    
    Parameters:
    seconds - the time interval (in seconds)
  - getLastProcessed
```
public long getLastProcessed()
```
    Gets a representable metric of the "processed" lines of the last step.
    
    Returns:
    the number of lines processed by the last step
  - findRowSet
```
public org.pentaho.di.core.RowSet findRowSet(String rowsetname)
```
    Finds the RowSet with the specified name.
    
    Parameters:
    rowsetname - the rowsetname
    
    Returns:
    the row set, or null if none found
  - findRowSet
```
public org.pentaho.di.core.RowSet findRowSet(String from,
                                    int fromcopy,
                                    String to,
                                    int tocopy)
```
    Finds the RowSet between two steps (or copies of steps).
    
    Parameters:
    from - the name of the "from" step
    fromcopy - the copy number of the "from" step
    to - the name of the "to" step
    tocopy - the copy number of the "to" step
    
    Returns:
    the row set, or null if none found
  - hasStepStarted
```
public boolean hasStepStarted(String sname,
                     int copy)
```
    Checks whether the specified step (or step copy) has started.
    
    Parameters:
    sname - the step name
    copy - the copy number
    
    Returns:
    true the specified step (or step copy) has started, false otherwise
  - stopAll
```
public void stopAll()
```
    Stops all steps from running, and alerts any registered listeners.
  - nrSteps
```
public int nrSteps()
```
    Gets the number of steps in this transformation.
    
    Returns:
    the number of steps
  - nrActiveSteps
```
public int nrActiveSteps()
```
    Gets the number of active (i.e. not finished) steps in this transformation
    
    Returns:
    the number of active steps
  - getTransStepIsRunningLookup
```
public boolean[] getTransStepIsRunningLookup()
```
    Checks whether the transformation steps are running lookup.
    
    Returns:
    a boolean array associated with the step list, indicating whether that step is running a lookup.
  - getTransStepExecutionStatusLookup
```
public BaseStepData.StepExecutionStatus[] getTransStepExecutionStatusLookup()
```
    Checks the execution status of each step in the transformations.
    
    Returns:
    an array associated with the step list, indicating the status of that step.
  - getRunThread
```
public StepInterface getRunThread(int i)
```
    Gets the run thread for the step at the specified index.
    
    Parameters:
    i - the index of the desired step
    
    Returns:
    a StepInterface object corresponding to the run thread for the specified step
  - getRunThread
```
public StepInterface getRunThread(String name,
                         int copy)
```
    Gets the run thread for the step with the specified name and copy number.
    
    Parameters:
    name - the step name
    copy - the copy number
    
    Returns:
    a StepInterface object corresponding to the run thread for the specified step
  - calculateBatchIdAndDateRange
```
public void calculateBatchIdAndDateRange()
                                  throws org.pentaho.di.core.exception.KettleTransException
```
    Calculate the batch id and date range for the transformation.
    
    Throws:
    
    org.pentaho.di.core.exception.KettleTransException - if there are any errors during calculation
  - beginProcessing
```
public void beginProcessing()
                     throws org.pentaho.di.core.exception.KettleTransException
```
    Begin processing. Also handle logging operations related to the start of the transformation
    
    Throws:
    
    org.pentaho.di.core.exception.KettleTransException - the kettle trans exception
  - getResult
```
public org.pentaho.di.core.Result getResult()
```
    Gets the result of the transformation. The Result object contains such measures as the number of errors, number of lines read/written/input/output/updated/rejected, etc.
    
    Returns:
    the Result object containing resulting measures from execution of the transformation
  - findRunThread
```
public StepInterface findRunThread(String stepname)
```
    Find the run thread for the step with the specified name.
    
    Parameters:
    stepname - the step name
    
    Returns:
    a StepInterface object corresponding to the run thread for the specified step
  - findBaseSteps
```
public List<StepInterface> findBaseSteps(String stepname)
```
    Find the base steps for the step with the specified name.
    
    Parameters:
    stepname - the step name
    
    Returns:
    the list of base steps for the specified step
  - findStepInterface
```
public StepInterface findStepInterface(String stepname,
                              int copyNr)
```
    Find the executing step copy for the step with the specified name and copy number
    
    Parameters:
    stepname - the step name
    copynr -
    
    Returns:
    the executing step found or null if no copy could be found.
  - findStepInterfaces
```
public List<StepInterface> findStepInterfaces(String stepname)
```
    Find the available executing step copies for the step with the specified name
    
    Parameters:
    stepname - the step name
    copynr -
    
    Returns:
    the list of executing step copies found or null if no steps are available yet (incorrect usage)
  - findDataInterface
```
public StepDataInterface findDataInterface(String name)
```
    Find the data interface for the step with the specified name.
    
    Parameters:
    name - the step name
    
    Returns:
    the step data interface
  - getStartDate
```
public Date getStartDate()
```
    Gets the start date/time object for the transformation.
    
    Returns:
    Returns the startDate.
  - getEndDate
```
public Date getEndDate()
```
    Gets the end date/time object for the transformation.
    
    Returns:
    Returns the endDate.
  - isMonitored
```
public boolean isMonitored()
```
    Checks whether the running transformation is being monitored.
    
    Returns:
    true the running transformation is being monitored, false otherwise
  - setMonitored
```
public void setMonitored(boolean monitored)
```
    Sets whether the running transformation should be monitored.
    
    Parameters:
    monitored - true if the running transformation should be monitored, false otherwise
  - getTransMeta
```
public TransMeta getTransMeta()
```
    Gets the meta-data for the transformation.
    
    Returns:
    Returns the transformation meta-data
  - setTransMeta
```
public void setTransMeta(TransMeta transMeta)
```
    Sets the meta-data for the transformation.
    
    Parameters:
    transMeta - The transformation meta-data to set.
  - getCurrentDate
```
public Date getCurrentDate()
```
    Gets the current date/time object.
    
    Returns:
    the current date
  - getDepDate
```
public Date getDepDate()
```
    Gets the dependency date for the transformation. A transformation can have a list of dependency fields. If any of these fields have a maximum date higher than the dependency date of the last run, the date range is set to to (-oo, now). The use-case is the incremental population of Slowly Changing Dimensions (SCD).
    
    Returns:
    Returns the dependency date
  - getLogDate
```
public Date getLogDate()
```
    Gets the date the transformation was logged.
    
    Returns:
    the log date
  - getRowsets
```
public List<org.pentaho.di.core.RowSet> getRowsets()
```
    Gets the rowsets for the transformation.
    
    Returns:
    a list of rowsets
  - getSteps
```
public List<StepMetaDataCombi> getSteps()
```
    Gets a list of steps in the transformation.
    
    Returns:
    a list of the steps in the transformation
  - toString
```
public String toString()
```
    Gets a string representation of the transformation.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    the string representation of the transformation
    See Also:
    Object.toString()
  - findMappingInput
```
public MappingInput[] findMappingInput()
```
    Gets the mapping inputs for each step in the transformation.
    
    Returns:
    an array of MappingInputs
  - findMappingOutput
```
public MappingOutput[] findMappingOutput()
```
    Gets the mapping outputs for each step in the transformation.
    
    Returns:
    an array of MappingOutputs
  - getStepInterface
```
public StepInterface getStepInterface(String stepname,
                             int copy)
```
    Find the StepInterface (thread) by looking it up using the name.
    
    Parameters:
    stepname - The name of the step to look for
    copy - the copy number of the step to look for
    
    Returns:
    the StepInterface or null if nothing was found.
  - getReplayDate
```
public Date getReplayDate()
```
    Gets the replay date. The replay date is used to indicate that the transformation was replayed (re-tried, run again) with that particular replay date. You can use this in Text File/Excel Input to allow you to save error line numbers into a file (SOURCE_FILE.line for example) During replay, only the lines that have errors in them are passed to the next steps, the other lines are ignored. This is for the use case: if the document contained errors (bad dates, chars in numbers, etc), you simply send the document back to the source (the user/departement that created it probably) and when you get it back, re-run the last transformation.
    
    Returns:
    the replay date
  - setReplayDate
```
public void setReplayDate(Date replayDate)
```
    Sets the replay date. The replay date is used to indicate that the transformation was replayed (re-tried, run again) with that particular replay date. You can use this in Text File/Excel Input to allow you to save error line numbers into a file (SOURCE_FILE.line for example) During replay, only the lines that have errors in them are passed to the next steps, the other lines are ignored. This is for the use case: if the document contained errors (bad dates, chars in numbers, etc), you simply send the document back to the source (the user/departement that created it probably) and when you get it back, re-run the last transformation.
    
    Parameters:
    replayDate - the new replay date
  - setSafeModeEnabled
```
public void setSafeModeEnabled(boolean safeModeEnabled)
```
    Turn on safe mode during running: the transformation will run slower but with more checking enabled.
    
    Parameters:
    safeModeEnabled - true for safe mode
  - isSafeModeEnabled
```
public boolean isSafeModeEnabled()
```
    Checks whether safe mode is enabled.
    
    Returns:
    Returns true if the safe mode is enabled: the transformation will run slower but with more checking enabled
  - addRowProducer
```
public RowProducer addRowProducer(String stepname,
                         int copynr)
                           throws org.pentaho.di.core.exception.KettleException
```
    This adds a row producer to the transformation that just got set up. It is preferable to run this BEFORE execute() but after prepareExecution()
    
    Parameters:
    stepname - The step to produce rows for
    copynr - The copynr of the step to produce row for (normally 0 unless you have multiple copies running)
    
    Returns:
    the row producer
    
    Throws:
    
    org.pentaho.di.core.exception.KettleException - in case the thread/step to produce rows for could not be found.
    See Also:
    execute(String[]), prepareExecution(String[])
  - getParentJob
```
public Job getParentJob()
```
    Gets the parent job, or null if there is no parent.
    
    Returns:
    the parent job, or null if there is no parent
  - setParentJob
```
public void setParentJob(Job parentJob)
```
    Sets the parent job for the transformation.
    
    Parameters:
    parentJob - The parent job to set
  - getStepDataInterface
```
public StepDataInterface getStepDataInterface(String stepname,
                                     int stepcopy)
```
    Finds the StepDataInterface (currently) associated with the specified step.
    
    Parameters:
    stepname - The name of the step to look for
    stepcopy - The copy number (0 based) of the step
    
    Returns:
    The StepDataInterface or null if non found.
  - hasHaltedSteps
```
public boolean hasHaltedSteps()
```
    Checks whether the transformation has any steps that are halted.
    
    Returns:
    true if one or more steps are halted, false otherwise
  - getJobStartDate
```
public Date getJobStartDate()
```
    Gets the job start date.
    
    Returns:
    the job start date
  - getJobEndDate
```
public Date getJobEndDate()
```
    Gets the job end date.
    
    Returns:
    the job end date
  - setJobEndDate
```
public void setJobEndDate(Date jobEndDate)
```
    Sets the job end date.
    
    Parameters:
    jobEndDate - the jobEndDate to set
  - setJobStartDate
```
public void setJobStartDate(Date jobStartDate)
```
    Sets the job start date.
    
    Parameters:
    jobStartDate - the jobStartDate to set
  - getPassedBatchId
```
public long getPassedBatchId()
```
    Get the batch ID that is passed from the parent job to the transformation. If nothing is passed, it's the transformation's batch ID
    
    Returns:
    the parent job's batch ID, or the transformation's batch ID if there is no parent job
  - setPassedBatchId
```
public void setPassedBatchId(long jobBatchId)
```
    Sets the passed batch ID of the transformation from the batch ID of the parent job.
    
    Parameters:
    jobBatchId - the jobBatchId to set
  - getBatchId
```
public long getBatchId()
```
    Gets the batch ID of the transformation.
    
    Returns:
    the batch ID of the transformation
  - setBatchId
```
public void setBatchId(long batchId)
```
    Sets the batch ID of the transformation.
    
    Parameters:
    batchId - the batch ID to set
  - getThreadName
```
@Deprecated
public String getThreadName()
```
    Deprecated. please use getTransactionId() instead
    
    Gets the name of the thread that contains the transformation.
    
    Returns:
    the thread name
  - setThreadName
```
@Deprecated
public void setThreadName(String threadName)
```
    Deprecated. please use setTransactionId() instead
    
    Sets the thread name for the transformation.
    
    Parameters:
    threadName - the thread name
  - getStatus
```
public String getStatus()
```
    Gets the status of the transformation (Halting, Finished, Paused, etc.)
    
    Returns:
    the status of the transformation
  - isInitializing
```
public boolean isInitializing()
```
    Checks whether the transformation is initializing.
    
    Returns:
    true if the transformation is initializing, false otherwise
  - setInitializing
```
public void setInitializing(boolean initializing)
```
    Sets whether the transformation is initializing.
    
    Parameters:
    initializing - true if the transformation is initializing, false otherwise
  - isPreparing
```
public boolean isPreparing()
```
    Checks whether the transformation is preparing for execution.
    
    Returns:
    true if the transformation is preparing for execution, false otherwise
  - setPreparing
```
public void setPreparing(boolean preparing)
```
    Sets whether the transformation is preparing for execution.
    
    Parameters:
    preparing - true if the transformation is preparing for execution, false otherwise
  - isRunning
```
public boolean isRunning()
```
    Checks whether the transformation is running.
    
    Returns:
    true if the transformation is running, false otherwise
  - setRunning
```
public void setRunning(boolean running)
```
    Sets whether the transformation is running.
    
    Parameters:
    running - true if the transformation is running, false otherwise
  - executeClustered
```
public static final TransSplitter executeClustered(TransMeta transMeta,
                             TransExecutionConfiguration executionConfiguration)
                                            throws org.pentaho.di.core.exception.KettleException
```
    Execute the transformation in a clustered fashion. The transformation steps are split and collected in a TransSplitter object
    
    Parameters:
    transMeta - the transformation's meta-data
    executionConfiguration - the execution configuration
    
    Returns:
    the transformation splitter object
    
    Throws:
    
    org.pentaho.di.core.exception.KettleException - the kettle exception
  - executeClustered
```
public static final void executeClustered(TransSplitter transSplitter,
                    TransExecutionConfiguration executionConfiguration)
                                   throws org.pentaho.di.core.exception.KettleException
```
    Executes an existing TransSplitter, with the transformation already split.
    
    Parameters:
    transSplitter - the trans splitter
    executionConfiguration - the execution configuration
    
    Throws:
    
    org.pentaho.di.core.exception.KettleException - the kettle exception
    See Also:
    org.pentaho.di.ui.spoon.delegates.SpoonTransformationDelegate
  - monitorClusteredTransformation
```
public static final long monitorClusteredTransformation(org.pentaho.di.core.logging.LogChannelInterface log,
                                  TransSplitter transSplitter,
                                  Job parentJob)
```
    Monitors a clustered transformation every second, after all the transformations in a cluster schema are running.
    Now we should verify that they are all running as they should.
    If a transformation has an error, we should kill them all.
    This should happen in a separate thread to prevent blocking of the UI.
    
    When the master and slave transformations have all finished, we should also run
    a cleanup on those transformations to release sockets, etc.
    
    Parameters:
    log - the log interface channel
    transSplitter - the transformation splitter object
    parentJob - the parent job when executed in a job, otherwise just set to null
    
    Returns:
    the number of errors encountered
  - monitorClusteredTransformation
```
public static final long monitorClusteredTransformation(org.pentaho.di.core.logging.LogChannelInterface log,
                                  TransSplitter transSplitter,
                                  Job parentJob,
                                  int sleepTimeSeconds)
```
    Monitors a clustered transformation every second, after all the transformations in a cluster schema are running.
    Now we should verify that they are all running as they should.
    If a transformation has an error, we should kill them all.
    This should happen in a separate thread to prevent blocking of the UI.
    
    When the master and slave transformations have all finished, we should also run
    a cleanup on those transformations to release sockets, etc.
    
    Parameters:
    log - the subject to use for logging
    transSplitter - the transformation splitter object
    parentJob - the parent job when executed in a job, otherwise just set to null
    sleepTimeSeconds - the sleep time in seconds in between slave transformation status polling
    
    Returns:
    the number of errors encountered
  - cleanupCluster
```
public static int cleanupCluster(org.pentaho.di.core.logging.LogChannelInterface log,
                 TransSplitter transSplitter)
```
    Cleanup the cluster, including the master and all slaves, and return the number of errors that occurred.
    
    Parameters:
    log - the log channel interface
    transSplitter - the TransSplitter object
    
    Returns:
    the number of errors that occurred in the clustered transformation
  - cleanupSlaveServer
```
public static void cleanupSlaveServer(TransSplitter transSplitter,
                      SlaveServer slaveServer,
                      TransMeta slaveTransMeta)
                               throws org.pentaho.di.core.exception.KettleException
```
    Cleanup the slave server as part of a clustered transformation.
    
    Parameters:
    transSplitter - the TransSplitter object
    slaveServer - the slave server
    slaveTransMeta - the slave transformation meta-data
    
    Throws:
    
    org.pentaho.di.core.exception.KettleException - if any errors occur during cleanup
  - getClusteredTransformationResult
```
public static final org.pentaho.di.core.Result getClusteredTransformationResult(org.pentaho.di.core.logging.LogChannelInterface log,
                                                          TransSplitter transSplitter,
                                                          Job parentJob)
```
    Gets the clustered transformation result.
    
    Parameters:
    log - the log channel interface
    transSplitter - the TransSplitter object
    parentJob - the parent job
    
    Returns:
    the clustered transformation result
  - getClusteredTransformationResult
```
public static final org.pentaho.di.core.Result getClusteredTransformationResult(org.pentaho.di.core.logging.LogChannelInterface log,
                                                          TransSplitter transSplitter,
                                                          Job parentJob,
                                                          boolean loggingRemoteWork)
```
    Gets the clustered transformation result.
    
    Parameters:
    log - the log channel interface
    transSplitter - the TransSplitter object
    parentJob - the parent job
    loggingRemoteWork - log remote execution logs locally
    
    Returns:
    the clustered transformation result
  - sendToSlaveServer
```
public static String sendToSlaveServer(TransMeta transMeta,
                       TransExecutionConfiguration executionConfiguration,
                       Repository repository,
                       org.pentaho.metastore.api.IMetaStore metaStore)
                                throws org.pentaho.di.core.exception.KettleException
```
    Send the transformation for execution to a Carte slave server.
    
    Parameters:
    transMeta - the transformation meta-data
    executionConfiguration - the transformation execution configuration
    repository - the repository
    
    Returns:
    The Carte object ID on the server.
    
    Throws:
    
    org.pentaho.di.core.exception.KettleException - if any errors occur during the dispatch to the slave server
  - isReadyToStart
```
public boolean isReadyToStart()
```
    Checks whether the transformation is ready to start (i.e. execution preparation was successful)
    
    Returns:
    true if the transformation was prepared for execution successfully, false otherwise
    See Also:
    prepareExecution(String[])
  - setInternalKettleVariables
```
public void setInternalKettleVariables(org.pentaho.di.core.variables.VariableSpace var)
```
    Sets the internal kettle variables.
    
    Parameters:
    var - the new internal kettle variables
  - copyVariablesFrom
```
public void copyVariablesFrom(org.pentaho.di.core.variables.VariableSpace space)
```
    Copies variables from a given variable space to this transformation.
    
    Specified by:
    
    copyVariablesFrom in interface org.pentaho.di.core.variables.VariableSpace
    
    Parameters:
    space - the variable space
    See Also:
    VariableSpace.copyVariablesFrom(org.pentaho.di.core.variables.VariableSpace)
  - environmentSubstitute
```
public String environmentSubstitute(String aString)
```
    Substitutes any variable values into the given string, and returns the resolved string.
    
    Specified by:
    
    environmentSubstitute in interface org.pentaho.di.core.variables.VariableSpace
    
    Parameters:
    aString - the string to resolve against environment variables
    
    Returns:
    the string after variables have been resolved/susbstituted
    See Also:
    VariableSpace.environmentSubstitute(java.lang.String)
  - environmentSubstitute
```
public String[] environmentSubstitute(String[] aString)
```
    Substitutes any variable values into each of the given strings, and returns an array containing the resolved string(s).
    
    Specified by:
    
    environmentSubstitute in interface org.pentaho.di.core.variables.VariableSpace
    
    Parameters:
    aString - an array of strings to resolve against environment variables
    
    Returns:
    the array of strings after variables have been resolved/susbstituted
    See Also:
    VariableSpace.environmentSubstitute(java.lang.String[])
  - fieldSubstitute
```
public String fieldSubstitute(String aString,
                     org.pentaho.di.core.row.RowMetaInterface rowMeta,
                     Object[] rowData)
                       throws org.pentaho.di.core.exception.KettleValueException
```
    Specified by:
    
    fieldSubstitute in interface org.pentaho.di.core.variables.VariableSpace
    
    Throws:
    
    org.pentaho.di.core.exception.KettleValueException
  - getParentVariableSpace
```
public org.pentaho.di.core.variables.VariableSpace getParentVariableSpace()
```
    Gets the parent variable space.
    
    Specified by:
    
    getParentVariableSpace in interface org.pentaho.di.core.variables.VariableSpace
    
    Returns:
    the parent variable space
    See Also:
    VariableSpace.getParentVariableSpace()
  - setParentVariableSpace
```
public void setParentVariableSpace(org.pentaho.di.core.variables.VariableSpace parent)
```
    Sets the parent variable space.
    
    Specified by:
    
    setParentVariableSpace in interface org.pentaho.di.core.variables.VariableSpace
    
    Parameters:
    parent - the new parent variable space
    See Also:
    VariableSpace.setParentVariableSpace( org.pentaho.di.core.variables.VariableSpace)
  - getVariable
```
public String getVariable(String variableName,
                 String defaultValue)
```
    Gets the value of the specified variable, or returns a default value if no such variable exists.
    
    Specified by:
    
    getVariable in interface org.pentaho.di.core.variables.VariableSpace
    
    Parameters:
    variableName - the variable name
    defaultValue - the default value
    
    Returns:
    the value of the specified variable, or returns a default value if no such variable exists
    See Also:
    VariableSpace.getVariable(java.lang.String, java.lang.String)
  - getVariable
```
public String getVariable(String variableName)
```
    Gets the value of the specified variable, or returns a default value if no such variable exists.
    
    Specified by:
    
    getVariable in interface org.pentaho.di.core.variables.VariableSpace
    
    Parameters:
    variableName - the variable name
    
    Returns:
    the value of the specified variable, or returns a default value if no such variable exists
    See Also:
    VariableSpace.getVariable(java.lang.String)
  - getBooleanValueOfVariable
```
public boolean getBooleanValueOfVariable(String variableName,
                                boolean defaultValue)
```
    Returns a boolean representation of the specified variable after performing any necessary substitution. Truth values include case-insensitive versions of "Y", "YES", "TRUE" or "1".
    
    Specified by:
    
    getBooleanValueOfVariable in interface org.pentaho.di.core.variables.VariableSpace
    
    Parameters:
    variableName - the variable name
    defaultValue - the default value
    
    Returns:
    a boolean representation of the specified variable after performing any necessary substitution
    See Also:
    VariableSpace.getBooleanValueOfVariable(java.lang.String, boolean)
  - initializeVariablesFrom
```
public void initializeVariablesFrom(org.pentaho.di.core.variables.VariableSpace parent)
```
    Sets the values of the transformation's variables to the values from the parent variables.
    
    Specified by:
    
    initializeVariablesFrom in interface org.pentaho.di.core.variables.VariableSpace
    
    Parameters:
    parent - the parent
    See Also:
    VariableSpace.initializeVariablesFrom( org.pentaho.di.core.variables.VariableSpace)
  - listVariables
```
public String[] listVariables()
```
    Gets a list of variable names for the transformation.
    
    Specified by:
    
    listVariables in interface org.pentaho.di.core.variables.VariableSpace
    
    Returns:
    a list of variable names
    See Also:
    VariableSpace.listVariables()
  - setVariable
```
public void setVariable(String variableName,
               String variableValue)
```
    Sets the value of the specified variable to the specified value.
    
    Specified by:
    
    setVariable in interface org.pentaho.di.core.variables.VariableSpace
    
    Parameters:
    variableName - the variable name
    variableValue - the variable value
    See Also:
    VariableSpace.setVariable(java.lang.String, java.lang.String)
  - shareVariablesWith
```
public void shareVariablesWith(org.pentaho.di.core.variables.VariableSpace space)
```
    Shares a variable space from another variable space. This means that the object should take over the space used as argument.
    
    Specified by:
    
    shareVariablesWith in interface org.pentaho.di.core.variables.VariableSpace
    
    Parameters:
    space - the variable space
    See Also:
    VariableSpace.shareVariablesWith(org.pentaho.di.core.variables.VariableSpace)
  - injectVariables
```
public void injectVariables(Map<String,String> prop)
```
    Injects variables using the given Map. The behavior should be that the properties object will be stored and at the time the VariableSpace is initialized (or upon calling this method if the space is already initialized). After injecting the link of the properties object should be removed.
    
    Specified by:
    
    injectVariables in interface org.pentaho.di.core.variables.VariableSpace
    
    Parameters:
    prop - the property map
    See Also:
    VariableSpace.injectVariables(java.util.Map)
  - pauseRunning
```
public void pauseRunning()
```
    Pauses the transformation (pause all steps).
  - resumeRunning
```
public void resumeRunning()
```
    Resumes running the transformation after a pause (resume all steps).
  - isPreview
```
public boolean isPreview()
```
    Checks whether the transformation is being previewed.
    
    Returns:
    true if the transformation is being previewed, false otherwise
  - setPreview
```
public void setPreview(boolean preview)
```
    Sets whether the transformation is being previewed.
    
    Parameters:
    preview - true if the transformation is being previewed, false otherwise
  - getRepository
```
public Repository getRepository()
```
    Gets the repository object for the transformation.
    
    Returns:
    the repository
  - setRepository
```
public void setRepository(Repository repository)
```
    Sets the repository object for the transformation.
    
    Parameters:
    repository - the repository object to set
  - getStepPerformanceSnapShots
```
public Map<String,List<StepPerformanceSnapShot>> getStepPerformanceSnapShots()
```
    Gets a named list (map) of step performance snapshots.
    
    Returns:
    a named list (map) of step performance snapshots
  - setStepPerformanceSnapShots
```
public void setStepPerformanceSnapShots(Map<String,List<StepPerformanceSnapShot>> stepPerformanceSnapShots)
```
    Sets the named list (map) of step performance snapshots.
    
    Parameters:
    stepPerformanceSnapShots - a named list (map) of step performance snapshots to set
  - getTransListeners
```
public List<TransListener> getTransListeners()
```
    Gets a list of the transformation listeners. Please do not attempt to modify this list externally. Returned list is mutable only for backward compatibility purposes.
    
    Returns:
    the transListeners
  - setTransListeners
```
public void setTransListeners(List<TransListener> transListeners)
```
    Sets the list of transformation listeners.
    
    Parameters:
    transListeners - the transListeners to set
  - addTransListener
```
public void addTransListener(TransListener transListener)
```
    Adds a transformation listener.
    
    Parameters:
    transListener - the trans listener
  - setTransStoppedListeners
```
public void setTransStoppedListeners(List<TransStoppedListener> transStoppedListeners)
```
    Sets the list of stop-event listeners for the transformation.
    
    Parameters:
    transStoppedListeners - the list of stop-event listeners to set
  - getTransStoppedListeners
```
public List<TransStoppedListener> getTransStoppedListeners()
```
    Gets the list of stop-event listeners for the transformation. This is not concurrent safe. Please note this is mutable implementation only for backward compatibility reasons.
    
    Returns:
    the list of stop-event listeners
  - addTransStoppedListener
```
public void addTransStoppedListener(TransStoppedListener transStoppedListener)
```
    Adds a stop-event listener to the transformation.
    
    Parameters:
    transStoppedListener - the stop-event listener to add
  - isPaused
```
public boolean isPaused()
```
    Checks if the transformation is paused.
    
    Returns:
    true if the transformation is paused, false otherwise
  - isStopped
```
public boolean isStopped()
```
    Checks if the transformation is stopped.
    
    Returns:
    true if the transformation is stopped, false otherwise
  - monitorRemoteTransformation
```
public static void monitorRemoteTransformation(org.pentaho.di.core.logging.LogChannelInterface log,
                               String carteObjectId,
                               String transName,
                               SlaveServer remoteSlaveServer)
```
    Monitors a remote transformation every 5 seconds.
    
    Parameters:
    log - the log channel interface
    carteObjectId - the Carte object ID
    transName - the transformation name
    remoteSlaveServer - the remote slave server
  - monitorRemoteTransformation
```
public static void monitorRemoteTransformation(org.pentaho.di.core.logging.LogChannelInterface log,
                               String carteObjectId,
                               String transName,
                               SlaveServer remoteSlaveServer,
                               int sleepTimeSeconds)
```
    Monitors a remote transformation at the specified interval.
    
    Parameters:
    log - the log channel interface
    carteObjectId - the Carte object ID
    transName - the transformation name
    remoteSlaveServer - the remote slave server
    sleepTimeSeconds - the sleep time (in seconds)
  - addParameterDefinition
```
public void addParameterDefinition(String key,
                          String defValue,
                          String description)
                            throws org.pentaho.di.core.parameters.DuplicateParamException
```
    Adds a parameter definition to this transformation.
    
    Specified by:
    
    addParameterDefinition in interface org.pentaho.di.core.parameters.NamedParams
    
    Parameters:
    key - the name of the parameter
    defValue - the default value for the parameter
    description - the description of the parameter
    
    Throws:
    
    org.pentaho.di.core.parameters.DuplicateParamException - the duplicate param exception
    See Also:
    NamedParams.addParameterDefinition(java.lang.String, java.lang.String, java.lang.String)
  - getParameterDefault
```
public String getParameterDefault(String key)
                           throws org.pentaho.di.core.parameters.UnknownParamException
```
    Gets the default value of the specified parameter.
    
    Specified by:
    
    getParameterDefault in interface org.pentaho.di.core.parameters.NamedParams
    
    Parameters:
    key - the name of the parameter
    
    Returns:
    the default value of the parameter
    
    Throws:
    
    org.pentaho.di.core.parameters.UnknownParamException - if the parameter does not exist
    See Also:
    NamedParams.getParameterDefault(java.lang.String)
  - getParameterDescription
```
public String getParameterDescription(String key)
                               throws org.pentaho.di.core.parameters.UnknownParamException
```
    Gets the description of the specified parameter.
    
    Specified by:
    
    getParameterDescription in interface org.pentaho.di.core.parameters.NamedParams
    
    Parameters:
    key - the name of the parameter
    
    Returns:
    the parameter description
    
    Throws:
    
    org.pentaho.di.core.parameters.UnknownParamException - if the parameter does not exist
    See Also:
    NamedParams.getParameterDescription(java.lang.String)
  - getParameterValue
```
public String getParameterValue(String key)
                         throws org.pentaho.di.core.parameters.UnknownParamException
```
    Gets the value of the specified parameter.
    
    Specified by:
    
    getParameterValue in interface org.pentaho.di.core.parameters.NamedParams
    
    Parameters:
    key - the name of the parameter
    
    Returns:
    the parameter value
    
    Throws:
    
    org.pentaho.di.core.parameters.UnknownParamException - if the parameter does not exist
    See Also:
    NamedParams.getParameterValue(java.lang.String)
  - listParameters
```
public String[] listParameters()
```
    Gets a list of the parameters for the transformation.
    
    Specified by:
    
    listParameters in interface org.pentaho.di.core.parameters.NamedParams
    
    Returns:
    an array of strings containing the names of all parameters for the transformation
    See Also:
    NamedParams.listParameters()
  - setParameterValue
```
public void setParameterValue(String key,
                     String value)
                       throws org.pentaho.di.core.parameters.UnknownParamException
```
    Sets the value for the specified parameter.
    
    Specified by:
    
    setParameterValue in interface org.pentaho.di.core.parameters.NamedParams
    
    Parameters:
    key - the name of the parameter
    value - the name of the value
    
    Throws:
    
    org.pentaho.di.core.parameters.UnknownParamException - if the parameter does not exist
    See Also:
    NamedParams.setParameterValue(java.lang.String, java.lang.String)
  - eraseParameters
```
public void eraseParameters()
```
    Remove all parameters.
    
    Specified by:
    
    eraseParameters in interface org.pentaho.di.core.parameters.NamedParams
    
    See Also:
    NamedParams.eraseParameters()
  - clearParameters
```
public void clearParameters()
```
    Clear the values of all parameters.
    
    Specified by:
    
    clearParameters in interface org.pentaho.di.core.parameters.NamedParams
    
    See Also:
    NamedParams.clearParameters()
  - activateParameters
```
public void activateParameters()
```
    Activates all parameters by setting their values. If no values already exist, the method will attempt to set the parameter to the default value. If no default value exists, the method will set the value of the parameter to the empty string ("").
    
    Specified by:
    
    activateParameters in interface org.pentaho.di.core.parameters.NamedParams
    
    See Also:
    NamedParams.activateParameters()
  - copyParametersFrom
```
public void copyParametersFrom(org.pentaho.di.core.parameters.NamedParams params)
```
    Copy parameters from a NamedParams object.
    
    Specified by:
    
    copyParametersFrom in interface org.pentaho.di.core.parameters.NamedParams
    
    Parameters:
    params - the NamedParams object from which to copy the parameters
    See Also:
    NamedParams.copyParametersFrom(org.pentaho.di.core.parameters.NamedParams)
  - getParentTrans
```
public Trans getParentTrans()
```
    Gets the parent transformation, which is null if no parent transformation exists.
    
    Returns:
    a reference to the parent transformation's Trans object, or null if no parent transformation exists
  - setParentTrans
```
public void setParentTrans(Trans parentTrans)
```
    Sets the parent transformation.
    
    Parameters:
    parentTrans - the parentTrans to set
  - getMappingStepName
```
public String getMappingStepName()
```
    Gets the mapping step name.
    
    Returns:
    the name of the mapping step that created this transformation
  - setMappingStepName
```
public void setMappingStepName(String mappingStepName)
```
    Sets the mapping step name.
    
    Parameters:
    mappingStepName - the name of the mapping step that created this transformation
  - setSocketRepository
```
public void setSocketRepository(SocketRepository socketRepository)
```
    Sets the socket repository.
    
    Parameters:
    socketRepository - the new socket repository
  - getSocketRepository
```
public SocketRepository getSocketRepository()
```
    Gets the socket repository.
    
    Returns:
    the socket repository
  - getObjectName
```
public String getObjectName()
```
    Gets the object name.
    
    Specified by:
    
    getObjectName in interface org.pentaho.di.core.logging.LoggingObjectInterface
    
    Returns:
    the object name
    See Also:
    LoggingObjectInterface.getObjectName()
  - getObjectCopy
```
public String getObjectCopy()
```
    Gets the object copy. For Trans, this always returns null
    
    Specified by:
    
    getObjectCopy in interface org.pentaho.di.core.logging.LoggingObjectInterface
    
    Returns:
    null
    See Also:
    LoggingObjectInterface.getObjectCopy()
  - getFilename
```
public String getFilename()
```
    Gets the filename of the transformation, or null if no filename exists
    
    Specified by:
    
    getFilename in interface org.pentaho.di.core.logging.LoggingObjectInterface
    
    Returns:
    the filename
    See Also:
    LoggingObjectInterface.getFilename()
  - getLogChannelId
```
public String getLogChannelId()
```
    Gets the log channel ID.
    
    Specified by:
    
    getLogChannelId in interface org.pentaho.di.core.logging.LoggingObjectInterface
    
    Returns:
    the log channel ID
    See Also:
    LoggingObjectInterface.getLogChannelId()
  - getObjectId
```
public org.pentaho.di.repository.ObjectId getObjectId()
```
    Gets the object ID.
    
    Specified by:
    
    getObjectId in interface org.pentaho.di.core.logging.LoggingObjectInterface
    
    Returns:
    the object ID
    See Also:
    LoggingObjectInterface.getObjectId()
  - getObjectRevision
```
public org.pentaho.di.repository.ObjectRevision getObjectRevision()
```
    Gets the object revision.
    
    Specified by:
    
    getObjectRevision in interface org.pentaho.di.core.logging.LoggingObjectInterface
    
    Returns:
    the object revision
    See Also:
    LoggingObjectInterface.getObjectRevision()
  - getObjectType
```
public org.pentaho.di.core.logging.LoggingObjectType getObjectType()
```
    Gets the object type. For Trans, this always returns LoggingObjectType.TRANS
    
    Specified by:
    
    getObjectType in interface org.pentaho.di.core.logging.LoggingObjectInterface
    
    Returns:
    the object type
    See Also:
    LoggingObjectInterface.getObjectType()
  - getParent
```
public org.pentaho.di.core.logging.LoggingObjectInterface getParent()
```
    Gets the parent logging object interface.
    
    Specified by:
    
    getParent in interface org.pentaho.di.core.logging.LoggingObjectInterface
    
    Returns:
    the parent
    See Also:
    LoggingObjectInterface.getParent()
  - getRepositoryDirectory
```
public org.pentaho.di.repository.RepositoryDirectoryInterface getRepositoryDirectory()
```
    Gets the repository directory.
    
    Specified by:
    
    getRepositoryDirectory in interface org.pentaho.di.core.logging.LoggingObjectInterface
    
    Returns:
    the repository directory
    See Also:
    LoggingObjectInterface.getRepositoryDirectory()
  - getLogLevel
```
public org.pentaho.di.core.logging.LogLevel getLogLevel()
```
    Gets the log level.
    
    Specified by:
    
    getLogLevel in interface org.pentaho.di.core.logging.LoggingObjectInterface
    
    Returns:
    the log level
    See Also:
    LoggingObjectInterface.getLogLevel()
  - setLogLevel
```
public void setLogLevel(org.pentaho.di.core.logging.LogLevel logLevel)
```
    Sets the log level.
    
    Parameters:
    logLevel - the new log level
  - getLoggingHierarchy
```
public List<org.pentaho.di.core.logging.LoggingHierarchy> getLoggingHierarchy()
```
    Gets the logging hierarchy.
    
    Returns:
    the logging hierarchy
  - getActiveSubtransformations
```
public Map<String,Trans> getActiveSubtransformations()
```
    Gets the active sub-transformations.
    
    Returns:
    a map (by name) of the active sub-transformations
  - getActiveSubjobs
```
public Map<String,Job> getActiveSubjobs()
```
    Gets the active sub-jobs.
    
    Returns:
    a map (by name) of the active sub-jobs
  - getContainerObjectId
```
public String getContainerObjectId()
```
    Gets the container object ID.
    
    Specified by:
    
    getContainerObjectId in interface org.pentaho.di.core.logging.LoggingObjectInterface
    
    Returns:
    the Carte object ID
  - setContainerObjectId
```
public void setContainerObjectId(String containerObjectId)
```
    Sets the container object ID.
    
    Parameters:
    containerObjectId - the Carte object ID to set
  - getRegistrationDate
```
public Date getRegistrationDate()
```
    Gets the registration date. For Trans, this always returns null
    
    Specified by:
    
    getRegistrationDate in interface org.pentaho.di.core.logging.LoggingObjectInterface
    
    Returns:
    null
  - setServletPrintWriter
```
public void setServletPrintWriter(PrintWriter servletPrintWriter)
```
    Sets the servlet print writer.
    
    Parameters:
    servletPrintWriter - the new servlet print writer
  - getServletPrintWriter
```
public PrintWriter getServletPrintWriter()
```
    Gets the servlet print writer.
    
    Returns:
    the servlet print writer
  - getExecutingServer
```
public String getExecutingServer()
```
    Gets the name of the executing server.
    
    Specified by:
    
    getExecutingServer in interface ExecutorInterface
    
    Returns:
    the executingServer
  - setExecutingServer
```
public void setExecutingServer(String executingServer)
```
    Sets the name of the executing server.
    
    Specified by:
    
    setExecutingServer in interface ExecutorInterface
    
    Parameters:
    executingServer - the executingServer to set
  - getExecutingUser
```
public String getExecutingUser()
```
    Gets the name of the executing user.
    
    Specified by:
    
    getExecutingUser in interface ExecutorInterface
    
    Returns:
    the executingUser
  - setExecutingUser
```
public void setExecutingUser(String executingUser)
```
    Sets the name of the executing user.
    
    Specified by:
    
    setExecutingUser in interface ExecutorInterface
    
    Parameters:
    executingUser - the executingUser to set
  - isGatheringMetrics
```
public boolean isGatheringMetrics()
```
    Specified by:
    
    isGatheringMetrics in interface org.pentaho.di.core.logging.LoggingObjectInterface
  - setGatheringMetrics
```
public void setGatheringMetrics(boolean gatheringMetrics)
```
    Specified by:
    
    setGatheringMetrics in interface org.pentaho.di.core.logging.LoggingObjectInterface
  - isForcingSeparateLogging
```
public boolean isForcingSeparateLogging()
```
    Specified by:
    
    isForcingSeparateLogging in interface org.pentaho.di.core.logging.LoggingObjectInterface
  - setForcingSeparateLogging
```
public void setForcingSeparateLogging(boolean forcingSeparateLogging)
```
    Specified by:
    
    setForcingSeparateLogging in interface org.pentaho.di.core.logging.LoggingObjectInterface
  - getResultFiles
```
public List<org.pentaho.di.core.ResultFile> getResultFiles()
```
  - setResultFiles
```
public void setResultFiles(List<org.pentaho.di.core.ResultFile> resultFiles)
```
  - getResultRows
```
public List<org.pentaho.di.core.RowMetaAndData> getResultRows()
```
  - setResultRows
```
public void setResultRows(List<org.pentaho.di.core.RowMetaAndData> resultRows)
```
  - getPreviousResult
```
public org.pentaho.di.core.Result getPreviousResult()
```
  - setPreviousResult
```
public void setPreviousResult(org.pentaho.di.core.Result previousResult)
```
  - getCounters
```
public Hashtable<String,org.pentaho.di.core.Counter> getCounters()
```
  - setCounters
```
public void setCounters(Hashtable<String,org.pentaho.di.core.Counter> counters)
```
  - getArguments
```
public String[] getArguments()
```
  - setArguments
```
public void setArguments(String[] arguments)
```
  - clearError
```
public void clearError()
```
    Clear the error in the transformation, clear all the rows from all the row sets, to make sure the transformation can continue with other data. This is intended for use when running single threaded.
  - getTransactionId
```
public String getTransactionId()
```
    Gets the transaction ID for the transformation.
    
    Returns:
    the transactionId
  - setTransactionId
```
public void setTransactionId(String transactionId)
```
    Sets the transaction ID for the transformation.
    
    Parameters:
    transactionId - the transactionId to set
  - calculateTransactionId
```
public String calculateTransactionId()
```
    Calculates the transaction ID for the transformation.
    
    Returns:
    the calculated transaction ID for the transformation.
  - getMetaStore
```
public org.pentaho.metastore.api.IMetaStore getMetaStore()
```
  - setMetaStore
```
public void setMetaStore(org.pentaho.metastore.api.IMetaStore metaStore)
```
  - setServletReponse
```
public void setServletReponse(javax.servlet.http.HttpServletResponse response)
```
    Sets encoding of HttpServletResponse according to System encoding.Check if system encoding is null or an empty and set it to HttpServletResponse when not and writes error to log if null. Throw IllegalArgumentException if input parameter is null.
    
    Parameters:
    response - the HttpServletResponse to set encoding, mayn't be null
  - getServletResponse
```
public javax.servlet.http.HttpServletResponse getServletResponse()
```
  - setServletRequest
```
public void setServletRequest(javax.servlet.http.HttpServletRequest request)
```
  - getServletRequest
```
public javax.servlet.http.HttpServletRequest getServletRequest()
```
  - getDelegationListeners
```
public List<DelegationListener> getDelegationListeners()
```
  - setDelegationListeners
```
public void setDelegationListeners(List<DelegationListener> delegationListeners)
```
  - addDelegationListener
```
public void addDelegationListener(DelegationListener delegationListener)
```
  - doTopologySortOfSteps
```
public void doTopologySortOfSteps()
```
  - getExtensionDataMap
```
public Map<String,Object> getExtensionDataMap()
```
    Specified by:
    
    getExtensionDataMap in interface org.pentaho.di.core.ExtensionDataInterface

Class Trans

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

REPLAY_DATE_FORMAT

class_nr

TYPE_DISP_1_1

TYPE_DISP_1_N

TYPE_DISP_N_1

TYPE_DISP_N_N

TYPE_DISP_N_M

STRING_FINISHED

STRING_FINISHED_WITH_ERRORS

STRING_RUNNING

STRING_PAUSED

STRING_PREPARING

STRING_INITIALIZING

STRING_WAITING

STRING_STOPPED

STRING_HALTING

CONFIGURATION_IN_EXPORT_FILENAME

Constructor Detail

Trans

Trans

Trans

Trans

Method Detail

setParent

getLogChannel

setLog

getName

execute

prepareExecution

startThreads

cleanup

logSummary

waitUntilFinished

getErrors

getEnded

isFinished

isFinishedOrStopped

killAll

printStats

getLastProcessed

findRowSet

findRowSet

hasStepStarted

stopAll

nrSteps

nrActiveSteps

getTransStepIsRunningLookup

getTransStepExecutionStatusLookup

getRunThread

getRunThread

calculateBatchIdAndDateRange

beginProcessing

getResult

findRunThread

findBaseSteps

findStepInterface

findStepInterfaces

findDataInterface

getStartDate

getEndDate

isMonitored

setMonitored

getTransMeta

setTransMeta

getCurrentDate

getDepDate

getLogDate

getRowsets

getSteps

toString

findMappingInput

findMappingOutput

getStepInterface

getReplayDate