org.pentaho.di.trans.steps.setvariable

Class SetVariableMeta

java.lang.Object

org.pentaho.di.trans.step.BaseStepMeta

org.pentaho.di.trans.steps.setvariable.SetVariableMeta

All Implemented Interfaces:

Cloneable, StepAttributesInterface, StepMetaInterface

public class SetVariableMeta
extends BaseStepMeta
implements StepMetaInterface

Sets environment variables based on content in certain fields of a single input row. Created on 27-apr-2006

Field Summary

Fields

Modifier and Type	Field and Description
static int	VARIABLE_TYPE_GRAND_PARENT_JOB
static int	VARIABLE_TYPE_JVM
static int	VARIABLE_TYPE_PARENT_JOB
static int	VARIABLE_TYPE_ROOT_JOB

Fields inherited from class org.pentaho.di.trans.step.BaseStepMeta

loggingObject, STEP_ATTRIBUTES_FILE

Constructor Summary

Constructors

Constructor and Description
SetVariableMeta()

Method Summary

Methods

Modifier and Type	Method and Description
void	allocate(int count)
void	check(List<org.pentaho.di.core.CheckResultInterface> remarks, TransMeta transMeta, StepMeta stepMeta, org.pentaho.di.core.row.RowMetaInterface prev, String[] input, String[] output, org.pentaho.di.core.row.RowMetaInterface info, org.pentaho.di.core.variables.VariableSpace space, Repository repository, org.pentaho.metastore.api.IMetaStore metaStore) Checks the settings of this step and puts the findings in a remarks List.
Object	clone() Make an exact copy of this step, make sure to explicitly copy Collections etc.
String[]	getDefaultValue()
String[]	getFieldName()
StepInterface	getStep(StepMeta stepMeta, StepDataInterface stepDataInterface, int cnr, TransMeta transMeta, Trans trans) Get the executing step, needed by Trans to launch a step.
StepDataInterface	getStepData() Get a new instance of the appropriate data class.
String[]	getVariableName()
int[]	getVariableType()
static int	getVariableType(String variableType)
static String	getVariableTypeCode(int variableType)
static String	getVariableTypeDescription(int variableType)
static String[]	getVariableTypeDescriptions()
String	getXML() Produces the XML string that describes this step's information.
boolean	isUsingFormatting()
void	loadXML(Node stepnode, List<org.pentaho.di.core.database.DatabaseMeta> databases, org.pentaho.metastore.api.IMetaStore metaStore) Load the values for this step from an XML Node
void	readRep(Repository rep, org.pentaho.metastore.api.IMetaStore metaStore, org.pentaho.di.repository.ObjectId id_step, List<org.pentaho.di.core.database.DatabaseMeta> databases) Read the steps information from a Kettle repository
void	saveRep(Repository rep, org.pentaho.metastore.api.IMetaStore metaStore, org.pentaho.di.repository.ObjectId id_transformation, org.pentaho.di.repository.ObjectId id_step) Save the steps data into a Kettle repository
void	setDefault() Set default values
void	setDefaultValue(String[] defaultValue)
void	setFieldName(String[] fieldName)
void	setUsingFormatting(boolean usingFormatting)
void	setVariableName(String[] fieldValue)
void	setVariableType(int[] localVariable)

Methods inherited from class org.pentaho.di.trans.step.BaseStepMeta

analyseImpact, analyseImpact, cancelQueries, check, check, excludeFromCopyDistributeVerification, excludeFromRowLayoutVerification, exportResources, exportResources, findAttribute, findParent, getDescription, getDialogClassName, getFields, getFields, getLog, getLogChannelId, getName, getObjectCopy, getObjectId, getObjectRevision, getObjectType, getOptionalStreams, getParent, getParentStepMeta, getReferencedObjectDescriptions, getRepCode, getRepositoryDirectory, getRequiredFields, getRequiredFields, getResourceDependencies, getSQLStatements, getSQLStatements, getStepInjectionMetadataEntries, getStepIOMeta, getStepMetaInjectionInterface, getSupportedTransformationTypes, getTableFields, getTooltip, getUsedArguments, getUsedDatabaseConnections, getUsedLibraries, getXmlCode, handleStreamSelection, hasChanged, hasRepositoryReferences, isBasic, isDebug, isDetailed, isReferencedObjectEnabled, isRowLevel, loadReferencedObject, loadReferencedObject, loadXML, loadXML, logBasic, logBasic, logDebug, logDebug, logDetailed, logDetailed, logError, logError, logError, logMinimal, logMinimal, logRowlevel, logRowlevel, lookupRepositoryReferences, readRep, readRep, resetStepIoMeta, saveRep, searchInfoAndTargetSteps, setChanged, setChanged, setParentStepMeta, supportsErrorHandling

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.pentaho.di.trans.step.StepMetaInterface

analyseImpact, analyseImpact, cancelQueries, check, excludeFromCopyDistributeVerification, excludeFromRowLayoutVerification, exportResources, exportResources, getDialogClassName, getFields, getFields, getOptionalStreams, getParentStepMeta, getReferencedObjectDescriptions, getRequiredFields, getResourceDependencies, getSQLStatements, getSQLStatements, getStepIOMeta, getStepMetaInjectionInterface, getSupportedTransformationTypes, getTableFields, getUsedArguments, getUsedDatabaseConnections, getUsedLibraries, handleStreamSelection, hasChanged, hasRepositoryReferences, isReferencedObjectEnabled, loadReferencedObject, loadXML, lookupRepositoryReferences, readRep, resetStepIoMeta, saveRep, searchInfoAndTargetSteps, setChanged, setParentStepMeta, supportsErrorHandling

Field Detail

VARIABLE_TYPE_JVM

public static final int VARIABLE_TYPE_JVM

See Also:

Constant Field Values

VARIABLE_TYPE_PARENT_JOB

public static final int VARIABLE_TYPE_PARENT_JOB

See Also:

Constant Field Values

VARIABLE_TYPE_GRAND_PARENT_JOB

public static final int VARIABLE_TYPE_GRAND_PARENT_JOB

See Also:

Constant Field Values

VARIABLE_TYPE_ROOT_JOB

public static final int VARIABLE_TYPE_ROOT_JOB

See Also:

Constant Field Values

Constructor Detail

SetVariableMeta

public SetVariableMeta()

Method Detail

getFieldName

public String[] getFieldName()

Returns:

Returns the fieldName.

setFieldName

public void setFieldName(String[] fieldName)

Parameters:

fieldName - The fieldName to set.

setVariableName

public void setVariableName(String[] fieldValue)

Parameters:

fieldValue - The fieldValue to set.

getVariableName

public String[] getVariableName()

Returns:

Returns the fieldValue.

getVariableType

public int[] getVariableType()

Returns:

Returns the local variable flag: true if this variable is only valid in the parents job.

getDefaultValue

public String[] getDefaultValue()

Returns:

Returns the defaultValue.

setDefaultValue

public void setDefaultValue(String[] defaultValue)

Parameters:

defaultValue - The defaultValue to set.

getVariableTypeCode

public static final String getVariableTypeCode(int variableType)

Parameters:

variableType - The variable type, see also VARIABLE_TYPE_...

Returns:

the variable type code for this variable type

getVariableTypeDescription

public static final String getVariableTypeDescription(int variableType)

Parameters:

variableType - The variable type, see also VARIABLE_TYPE_...

Returns:

the variable type description for this variable type

getVariableType

public static final int getVariableType(String variableType)

Parameters:

variableType - The code or description of the variable type

Returns:

The variable type

setVariableType

public void setVariableType(int[] localVariable)

Parameters:

localVariable - The localVariable to set.

getVariableTypeDescriptions

public static final String[] getVariableTypeDescriptions()

loadXML

public void loadXML(Node stepnode,
           List<org.pentaho.di.core.database.DatabaseMeta> databases,
           org.pentaho.metastore.api.IMetaStore metaStore)
             throws org.pentaho.di.core.exception.KettleXMLException

Description copied from interface: StepMetaInterface

Load the values for this step from an XML Node

Specified by:

loadXML in interface StepMetaInterface

Overrides:

loadXML in class BaseStepMeta

Parameters:

stepnode - the Node to get the info from

databases - The available list of databases to reference to

metaStore - the metastore to optionally load external reference metadata from

Throws:

org.pentaho.di.core.exception.KettleXMLException - When an unexpected XML error occurred. (malformed etc.)

allocate

public void allocate(int count)

clone

public Object clone()

Description copied from interface: StepMetaInterface

Make an exact copy of this step, make sure to explicitly copy Collections etc.

Specified by:

clone in interface StepMetaInterface

Overrides:

clone in class BaseStepMeta

Returns:

an exact copy of this step

setDefault

public void setDefault()

Description copied from interface: StepMetaInterface

Set default values

Specified by:

setDefault in interface StepMetaInterface

getXML

public String getXML()

Description copied from class: BaseStepMeta

Produces the XML string that describes this step's information.

Specified by:

getXML in interface StepMetaInterface

Overrides:

getXML in class BaseStepMeta

Returns:

String containing the XML describing this step.

readRep

public void readRep(Repository rep,
           org.pentaho.metastore.api.IMetaStore metaStore,
           org.pentaho.di.repository.ObjectId id_step,
           List<org.pentaho.di.core.database.DatabaseMeta> databases)
             throws org.pentaho.di.core.exception.KettleException

Description copied from interface: StepMetaInterface

Read the steps information from a Kettle repository

Specified by:

readRep in interface StepMetaInterface

Overrides:

readRep in class BaseStepMeta

Parameters:

rep - The repository to read from

metaStore - The MetaStore to read external information from

id_step - The step ID

databases - The databases to reference

Throws:

org.pentaho.di.core.exception.KettleException - When an unexpected error occurred (database, network, etc)

saveRep

public void saveRep(Repository rep,
           org.pentaho.metastore.api.IMetaStore metaStore,
           org.pentaho.di.repository.ObjectId id_transformation,
           org.pentaho.di.repository.ObjectId id_step)
             throws org.pentaho.di.core.exception.KettleException

Description copied from interface: StepMetaInterface

Save the steps data into a Kettle repository

Specified by:

saveRep in interface StepMetaInterface

Overrides:

saveRep in class BaseStepMeta

Parameters:

rep - The Kettle repository to save to

metaStore - the metaStore to optionally write to

id_transformation - The transformation ID

id_step - The step ID

Throws:

org.pentaho.di.core.exception.KettleException - When an unexpected error occurred (database, network, etc)

check

public void check(List<org.pentaho.di.core.CheckResultInterface> remarks,
         TransMeta transMeta,
         StepMeta stepMeta,
         org.pentaho.di.core.row.RowMetaInterface prev,
         String[] input,
         String[] output,
         org.pentaho.di.core.row.RowMetaInterface info,
         org.pentaho.di.core.variables.VariableSpace space,
         Repository repository,
         org.pentaho.metastore.api.IMetaStore metaStore)

Description copied from interface: StepMetaInterface

Checks the settings of this step and puts the findings in a remarks List.

Specified by:

check in interface StepMetaInterface

Overrides:

check in class BaseStepMeta

Parameters:

remarks - The list to put the remarks in @see org.pentaho.di.core.CheckResult

stepMeta - The stepMeta to help checking

prev - The fields coming from the previous step

input - The input step names

output - The output step names

info - The fields that are used as information by the step

space - the variable space to resolve variable expressions with

repository - the repository to use to load Kettle metadata objects impacting the output fields

metaStore - the MetaStore to use to load additional external data or metadata impacting the output fields

getStep

public StepInterface getStep(StepMeta stepMeta,
                    StepDataInterface stepDataInterface,
                    int cnr,
                    TransMeta transMeta,
                    Trans trans)

Description copied from interface: StepMetaInterface

Get the executing step, needed by Trans to launch a step.

Specified by:

getStep in interface StepMetaInterface

Parameters:

stepMeta - The step info

stepDataInterface - the step data interface linked to this step. Here the step can store temporary data, database connections, etc.

cnr - The copy nr to get

transMeta - The transformation info

trans - The launching transformation

getStepData

public StepDataInterface getStepData()

Description copied from interface: StepMetaInterface

Get a new instance of the appropriate data class. This data class implements the StepDataInterface. It basically contains the persisting data that needs to live on, even if a worker thread is terminated.

Specified by:

getStepData in interface StepMetaInterface

Returns:

The appropriate StepDataInterface class.

isUsingFormatting

public boolean isUsingFormatting()

Returns:

the usingFormatting

setUsingFormatting

public void setUsingFormatting(boolean usingFormatting)

Parameters:

usingFormatting - the usingFormatting to set