Class TableInputMeta
- java.lang.Object
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- org.pentaho.di.trans.step.BaseStepMeta
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- org.pentaho.di.trans.steps.tableinput.TableInputMeta
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- All Implemented Interfaces:
Cloneable,StepAttributesInterface,StepMetaInterface
public class TableInputMeta extends BaseStepMeta implements StepMetaInterface
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Field Summary
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Fields inherited from class org.pentaho.di.trans.step.BaseStepMeta
attributes, log, loggingObject, parentStepMeta, repository, STEP_ATTRIBUTES_FILE
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Constructor Summary
Constructors Constructor Description TableInputMeta()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidanalyseImpact(List<DatabaseImpact> impact, TransMeta transMeta, StepMeta stepMeta, org.pentaho.di.core.row.RowMetaInterface prev, String[] input, String[] output, org.pentaho.di.core.row.RowMetaInterface info, Repository repository, org.pentaho.metastore.api.IMetaStore metaStore)Each step must be able to report on the impact it has on a database, table field, etc.voidcheck(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.Objectclone()Make an exact copy of this step, make sure to explicitly copy Collections etc.org.pentaho.di.core.row.RowMetaInterfacegetCachedRowMeta()protected org.pentaho.di.core.database.DatabasegetDatabase()org.pentaho.di.core.database.DatabaseMetagetDatabaseMeta()voidgetFields(org.pentaho.di.core.row.RowMetaInterface row, String origin, org.pentaho.di.core.row.RowMetaInterface[] info, StepMeta nextStep, org.pentaho.di.core.variables.VariableSpace space, Repository repository, org.pentaho.metastore.api.IMetaStore metaStore)Gets the fields.StepMetagetLookupFromStep()For compatibility, wraps around the standard step IO metadataStringgetRowLimit()StringgetSQL()StepInterfacegetStep(StepMeta stepMeta, StepDataInterface stepDataInterface, int cnr, TransMeta transMeta, Trans trans)Get the executing step, needed by Trans to launch a step.StepDataInterfacegetStepData()Get a new instance of the appropriate data class.StepIOMetaInterfacegetStepIOMeta()Returns the Input/Output metadata for this step.org.pentaho.di.core.database.DatabaseMeta[]getUsedDatabaseConnections()This method returns all the database connections that are used by the step.StringgetXML()Produces the XML string that describes this step's information.booleanisCachedRowMetaActive()booleanisExecuteEachInputRow()booleanisLazyConversionActive()booleanisVariableReplacementActive()voidloadXML(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 NodevoidreadRep(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 repositoryvoidresetStepIoMeta()Reset step io meta.voidsaveRep(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 repositoryvoidsearchInfoAndTargetSteps(List<StepMeta> steps)Change step names into step objects to allow them to be name-changed etc.voidsetCachedRowMeta(org.pentaho.di.core.row.RowMetaInterface cachedRowMeta)voidsetCachedRowMetaActive(boolean cachedRowMetaActive)voidsetConnection(String connectionName)voidsetDatabaseMeta(org.pentaho.di.core.database.DatabaseMeta database)voidsetDefault()Set default valuesvoidsetExecuteEachInputRow(boolean oncePerRow)voidsetLazyConversionActive(boolean lazyConversionActive)voidsetLookupFromStep(StepMeta stepMeta)For compatibility, wraps around the standard step IO metadatavoidsetRowLimit(String rowLimit)voidsetSQL(String sql)voidsetVariableReplacementActive(boolean variableReplacementActive)voidupdateCachedRowMeta()-
Methods inherited from class org.pentaho.di.trans.step.BaseStepMeta
analyseImpact, cancelQueries, check, check, createEntry, excludeFromCopyDistributeVerification, excludeFromRowLayoutVerification, exportResources, exportResources, extractStepMetadataEntries, findAttribute, findParent, findParentEntry, getActiveReferencedObjectDescription, getDescription, getDialogClassName, 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, getUsedLibraries, getXmlCode, handleStreamSelection, hasChanged, hasRepositoryReferences, isBasic, isDebug, isDetailed, isReferencedObjectEnabled, isRowLevel, loadReferencedObject, loadReferencedObject, loadStepAttributes, loadXML, loadXML, logBasic, logBasic, logDebug, logDebug, logDetailed, logDetailed, logError, logError, logError, logMinimal, logMinimal, logRowlevel, logRowlevel, lookupRepositoryReferences, readRep, readRep, saveRep, setChanged, setChanged, setParentStepMeta, setStepIOMeta, supportsErrorHandling
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Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.pentaho.di.trans.step.StepMetaInterface
analyseImpact, cancelQueries, check, cleanAfterHopFromRemove, cleanAfterHopFromRemove, cleanAfterHopToRemove, excludeFromCopyDistributeVerification, excludeFromRowLayoutVerification, exportResources, exportResources, extractStepMetadataEntries, fetchTransMeta, getActiveReferencedObjectDescription, getDialogClassName, getFields, getOptionalStreams, getParentStepMeta, getReferencedObjectDescriptions, getRequiredFields, getResourceDependencies, getSQLStatements, getSQLStatements, getStepMetaInjectionInterface, getSupportedTransformationTypes, getTableFields, getUsedArguments, getUsedLibraries, handleStreamSelection, hasChanged, hasRepositoryReferences, isReferencedObjectEnabled, loadReferencedObject, loadXML, lookupRepositoryReferences, passDataToServletOutput, readRep, saveRep, setChanged, setParentStepMeta, supportsErrorHandling
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Method Detail
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setConnection
public void setConnection(String connectionName)
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isExecuteEachInputRow
public boolean isExecuteEachInputRow()
- Returns:
- Returns true if the step should be run per row
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setExecuteEachInputRow
public void setExecuteEachInputRow(boolean oncePerRow)
- Parameters:
oncePerRow- true if the step should be run per row
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getDatabaseMeta
public org.pentaho.di.core.database.DatabaseMeta getDatabaseMeta()
- Returns:
- Returns the database.
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setDatabaseMeta
public void setDatabaseMeta(org.pentaho.di.core.database.DatabaseMeta database)
- Parameters:
database- The database to set.
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getRowLimit
public String getRowLimit()
- Returns:
- Returns the rowLimit.
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setRowLimit
public void setRowLimit(String rowLimit)
- Parameters:
rowLimit- The rowLimit to set.
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getSQL
public String getSQL()
- Returns:
- Returns the sql.
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setSQL
public void setSQL(String sql)
- Parameters:
sql- The sql to set.
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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:StepMetaInterfaceLoad the values for this step from an XML Node- Specified by:
loadXMLin interfaceStepMetaInterface- Overrides:
loadXMLin classBaseStepMeta- Parameters:
stepnode- the Node to get the info fromdatabases- The available list of databases to reference tometaStore- the metastore to optionally load external reference metadata from- Throws:
org.pentaho.di.core.exception.KettleXMLException- When an unexpected XML error occurred. (malformed etc.)
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clone
public Object clone()
Description copied from interface:StepMetaInterfaceMake an exact copy of this step, make sure to explicitly copy Collections etc.- Specified by:
clonein interfaceStepMetaInterface- Overrides:
clonein classBaseStepMeta- Returns:
- an exact copy of this step
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setDefault
public void setDefault()
Description copied from interface:StepMetaInterfaceSet default values- Specified by:
setDefaultin interfaceStepMetaInterface
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getDatabase
protected org.pentaho.di.core.database.Database getDatabase()
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getFields
public void getFields(org.pentaho.di.core.row.RowMetaInterface row, String origin, org.pentaho.di.core.row.RowMetaInterface[] info, StepMeta nextStep, org.pentaho.di.core.variables.VariableSpace space, Repository repository, org.pentaho.metastore.api.IMetaStore metaStore) throws org.pentaho.di.core.exception.KettleStepExceptionDescription copied from class:BaseStepMetaGets the fields.- Specified by:
getFieldsin interfaceStepMetaInterface- Overrides:
getFieldsin classBaseStepMeta- Parameters:
row- the input row meta that is modified in this method to reflect the output row metadata of the steporigin- Name of the step to use as input for the origin field in the valuesinfo- Fields used as extra lookup informationnextStep- the next step that is targetedspace- the space The variable space to use to replace variablesrepository- the repository to use to load Kettle metadata objects impacting the output fieldsmetaStore- the MetaStore to use to load additional external data or metadata impacting the output fields- Throws:
org.pentaho.di.core.exception.KettleStepException- the kettle step exception
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getXML
public String getXML()
Description copied from class:BaseStepMetaProduces the XML string that describes this step's information.- Specified by:
getXMLin interfaceStepMetaInterface- Overrides:
getXMLin classBaseStepMeta- Returns:
- String containing the XML describing this step.
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updateCachedRowMeta
public void updateCachedRowMeta()
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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:StepMetaInterfaceRead the steps information from a Kettle repository- Specified by:
readRepin interfaceStepMetaInterface- Overrides:
readRepin classBaseStepMeta- Parameters:
rep- The repository to read frommetaStore- The MetaStore to read external information fromid_step- The step IDdatabases- The databases to reference- Throws:
org.pentaho.di.core.exception.KettleException- When an unexpected error occurred (database, network, etc)
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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:StepMetaInterfaceSave the steps data into a Kettle repository- Specified by:
saveRepin interfaceStepMetaInterface- Overrides:
saveRepin classBaseStepMeta- Parameters:
rep- The Kettle repository to save tometaStore- the metaStore to optionally write toid_transformation- The transformation IDid_step- The step ID- Throws:
org.pentaho.di.core.exception.KettleException- When an unexpected error occurred (database, network, etc)
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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:StepMetaInterfaceChecks the settings of this step and puts the findings in a remarks List.- Specified by:
checkin interfaceStepMetaInterface- Overrides:
checkin classBaseStepMeta- Parameters:
remarks- The list to put the remarks in @see org.pentaho.di.core.CheckResultstepMeta- The stepMeta to help checkingprev- The fields coming from the previous stepinput- The input step namesoutput- The output step namesinfo- The fields that are used as information by the stepspace- the variable space to resolve variable expressions withrepository- the repository to use to load Kettle metadata objects impacting the output fieldsmetaStore- the MetaStore to use to load additional external data or metadata impacting the output fields
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searchInfoAndTargetSteps
public void searchInfoAndTargetSteps(List<StepMeta> steps)
Description copied from class:BaseStepMetaChange step names into step objects to allow them to be name-changed etc.- Specified by:
searchInfoAndTargetStepsin interfaceStepMetaInterface- Overrides:
searchInfoAndTargetStepsin classBaseStepMeta- Parameters:
steps- optionally search the info step in a list of steps
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getStep
public StepInterface getStep(StepMeta stepMeta, StepDataInterface stepDataInterface, int cnr, TransMeta transMeta, Trans trans)
Description copied from interface:StepMetaInterfaceGet the executing step, needed by Trans to launch a step.- Specified by:
getStepin interfaceStepMetaInterface- Parameters:
stepMeta- The step infostepDataInterface- the step data interface linked to this step. Here the step can store temporary data, database connections, etc.cnr- The copy nr to gettransMeta- The transformation infotrans- The launching transformation
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getStepData
public StepDataInterface getStepData()
Description copied from interface:StepMetaInterfaceGet 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:
getStepDatain interfaceStepMetaInterface- Returns:
- The appropriate StepDataInterface class.
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analyseImpact
public void analyseImpact(List<DatabaseImpact> impact, TransMeta transMeta, StepMeta stepMeta, org.pentaho.di.core.row.RowMetaInterface prev, String[] input, String[] output, org.pentaho.di.core.row.RowMetaInterface info, Repository repository, org.pentaho.metastore.api.IMetaStore metaStore) throws org.pentaho.di.core.exception.KettleStepException
Description copied from class:BaseStepMetaEach step must be able to report on the impact it has on a database, table field, etc.- Specified by:
analyseImpactin interfaceStepMetaInterface- Overrides:
analyseImpactin classBaseStepMeta- Parameters:
impact- The list of impacts @see org.pentaho.di.transMeta.DatabaseImpacttransMeta- The transformation informationstepMeta- The step informationprev- The fields entering this stepinput- The previous step namesoutput- The output step namesinfo- The fields used as information by this steprepository- the repository to use to load Kettle metadata objects impacting the output fieldsmetaStore- the MetaStore to use to load additional external data or metadata impacting the output fields- Throws:
org.pentaho.di.core.exception.KettleStepException
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getUsedDatabaseConnections
public org.pentaho.di.core.database.DatabaseMeta[] getUsedDatabaseConnections()
Description copied from class:BaseStepMetaThis method returns all the database connections that are used by the step.- Specified by:
getUsedDatabaseConnectionsin interfaceStepMetaInterface- Overrides:
getUsedDatabaseConnectionsin classBaseStepMeta- Returns:
- an array of database connections meta-data. Return an empty array if no connections are used.
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isVariableReplacementActive
public boolean isVariableReplacementActive()
- Returns:
- Returns the variableReplacementActive.
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setVariableReplacementActive
public void setVariableReplacementActive(boolean variableReplacementActive)
- Parameters:
variableReplacementActive- The variableReplacementActive to set.
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isLazyConversionActive
public boolean isLazyConversionActive()
- Returns:
- the lazyConversionActive
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setLazyConversionActive
public void setLazyConversionActive(boolean lazyConversionActive)
- Parameters:
lazyConversionActive- the lazyConversionActive to set
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isCachedRowMetaActive
public boolean isCachedRowMetaActive()
- Returns:
- the cachedRowMetaActive
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setCachedRowMetaActive
public void setCachedRowMetaActive(boolean cachedRowMetaActive)
- Parameters:
cachedRowMetaActive- the cachedRowMetaActive to set
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getCachedRowMeta
public org.pentaho.di.core.row.RowMetaInterface getCachedRowMeta()
- Returns:
- the cachedRowMetaActive
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setCachedRowMeta
public void setCachedRowMeta(org.pentaho.di.core.row.RowMetaInterface cachedRowMeta)
- Parameters:
cachedRowMeta- the cachedRowMetaActive to set
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getStepIOMeta
public StepIOMetaInterface getStepIOMeta()
Returns the Input/Output metadata for this step. The generator step only produces output, does not accept input!- Specified by:
getStepIOMetain interfaceStepMetaInterface- Overrides:
getStepIOMetain classBaseStepMeta
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resetStepIoMeta
public void resetStepIoMeta()
Description copied from class:BaseStepMetaReset step io meta.- Specified by:
resetStepIoMetain interfaceStepMetaInterface- Overrides:
resetStepIoMetain classBaseStepMeta
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setLookupFromStep
public void setLookupFromStep(StepMeta stepMeta)
For compatibility, wraps around the standard step IO metadata- Parameters:
stepMeta- The step where you read lookup data from
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getLookupFromStep
public StepMeta getLookupFromStep()
For compatibility, wraps around the standard step IO metadata- Returns:
- The step where you read lookup data from
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