Package org.pentaho.di.trans.steps.valuemapper

Class ValueMapperMeta

java.lang.Object

org.pentaho.di.trans.step.BaseStepMeta

org.pentaho.di.trans.steps.valuemapper.ValueMapperMeta

All Implemented Interfaces:

Cloneable, StepAttributesInterface, StepMetaInterface

public class ValueMapperMeta
extends BaseStepMeta
implements StepMetaInterface

Maps String values of a certain field to new values Created on 03-apr-2006

Field Summary

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

attributes, databases, log, loggingObject, parentStepMeta, repository, STEP_ATTRIBUTES_FILE

Constructor Summary

Constructors

Constructor	Description
ValueMapperMeta()

Method Summary

Modifier and Type	Method	Description
void	afterInjectionSynchronization()	If we use injection we can have different arrays lengths.
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.
void	getFields(org.pentaho.di.core.row.RowMetaInterface r, String name, 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.
String	getFieldToUse()
String	getNonMatchDefault()
String[]	getSourceValue()
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	getTargetField()
String[]	getTargetValue()
String	getXML()	Produces the XML string that describes this step's information.
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	setFieldToUse(String fieldToUse)
void	setNonMatchDefault(String nonMatchDefault)
void	setSourceValue(String[] fieldName)
void	setTargetField(String targetField)
void	setTargetValue(String[] fieldValue)

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

analyseImpact, 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, getStepIOMeta, getStepMetaInjectionInterface, getSupportedTransformationTypes, getTableFields, getTooltip, getUsedArguments, getUsedDatabaseConnections, 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, resetStepIoMeta, saveRep, searchInfoAndTargetSteps, setChanged, setChanged, setParentStepMeta, setStepIOMeta, supportsErrorHandling

Methods inherited from class java.lang.Object

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

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

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

Constructor Details

ValueMapperMeta

public ValueMapperMeta()

Method Details

getSourceValue

public String[] getSourceValue()

Returns:

Returns the fieldName.

setSourceValue

public void setSourceValue(String[] fieldName)

Parameters:

fieldName - The fieldName to set.

getTargetValue

public String[] getTargetValue()

Returns:

Returns the fieldValue.

setTargetValue

public void setTargetValue(String[] fieldValue)

Parameters:

fieldValue - The fieldValue to set.

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

getFields

public void getFields(org.pentaho.di.core.row.RowMetaInterface r,
 String name,
 org.pentaho.di.core.row.RowMetaInterface[] info,
 StepMeta nextStep,
 org.pentaho.di.core.variables.VariableSpace space,
 Repository repository,
 org.pentaho.metastore.api.IMetaStore metaStore)

Description copied from class: BaseStepMeta

Gets the fields.

Specified by:

getFields in interface StepMetaInterface

Overrides:

getFields in class BaseStepMeta

Parameters:

r - the input row meta that is modified in this method to reflect the output row metadata of the step

name - Name of the step to use as input for the origin field in the values

info - Fields used as extra lookup information

nextStep - the next step that is targeted

space - the space The variable space to use to replace variables

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

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.

getFieldToUse

public String getFieldToUse()

Returns:

Returns the fieldToUse.

setFieldToUse

public void setFieldToUse(String fieldToUse)

Parameters:

fieldToUse - The fieldToUse to set.

getTargetField

public String getTargetField()

Returns:

Returns the targetField.

setTargetField

public void setTargetField(String targetField)

Parameters:

targetField - The targetField to set.

getNonMatchDefault

public String getNonMatchDefault()

Returns:

the non match default. This is the string that will be used to fill in the data when no match is found.

setNonMatchDefault

public void setNonMatchDefault(String nonMatchDefault)

Parameters:

nonMatchDefault - the non match default. This is the string that will be used to fill in the data when no match is found.

afterInjectionSynchronization

public void afterInjectionSynchronization()

If we use injection we can have different arrays lengths. We need synchronize them for consistency behavior with UI