org.pentaho.di.trans.steps.ifnull

Class IfNullMeta

java.lang.Object

org.pentaho.di.trans.step.BaseStepMeta

org.pentaho.di.trans.steps.ifnull.IfNullMeta

All Implemented Interfaces:

Cloneable, StepAttributesInterface, StepMetaInterface

public class IfNullMeta
extends BaseStepMeta
implements StepMetaInterface

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	IfNullMeta.Fields
static class	IfNullMeta.ValueTypes

Field Summary

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

loggingObject, STEP_ATTRIBUTES_FILE

Constructor Summary

Constructors

Constructor and Description
IfNullMeta()

Method Summary

Modifier and Type	Method and Description
void	allocate(int nrtypes, int nrfields)
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.
IfNullMeta.Fields[]	getFields()
String	getReplaceAllByValue()
String	getReplaceAllMask()
StepInterface	getStep(StepMeta stepMeta, StepDataInterface stepDataInterface, int cnr, TransMeta tr, Trans trans) Get the executing step, needed by Trans to launch a step.
StepDataInterface	getStepData() Get a new instance of the appropriate data class.
IfNullMeta.ValueTypes[]	getValueTypes()
String	getXML() Produces the XML string that describes this step's information.
boolean	isSelectFields()
boolean	isSelectValuesType()
boolean	isSetEmptyStringAll()
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	setEmptyStringAll(boolean setEmptyStringAll)
void	setFields(IfNullMeta.Fields[] fields)
void	setReplaceAllByValue(String replaceValue)
void	setReplaceAllMask(String replaceAllMask)
void	setSelectFields(boolean selectFields)
void	setSelectValuesType(boolean selectValuesType)
void	setValueTypes(IfNullMeta.ValueTypes[] valueTypes)
boolean	supportsErrorHandling()

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

analyseImpact, analyseImpact, cancelQueries, check, check, excludeFromCopyDistributeVerification, excludeFromRowLayoutVerification, exportResources, exportResources, extractStepMetadataEntries, findAttribute, findParent, getActiveReferencedObjectDescription, 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

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, extractStepMetadataEntries, getActiveReferencedObjectDescription, 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

Constructor Detail

IfNullMeta

public IfNullMeta()

Method Detail

isSetEmptyStringAll

public boolean isSetEmptyStringAll()

Returns:

Returns the setEmptyStringAll.

setEmptyStringAll

public void setEmptyStringAll(boolean setEmptyStringAll)

Parameters:

setEmptyStringAll - The setEmptyStringAll 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.)

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

allocate

public void allocate(int nrtypes,
                     int nrfields)

isSelectFields

public boolean isSelectFields()

setSelectFields

public void setSelectFields(boolean selectFields)

setSelectValuesType

public void setSelectValuesType(boolean selectValuesType)

isSelectValuesType

public boolean isSelectValuesType()

setReplaceAllByValue

public void setReplaceAllByValue(String replaceValue)

getReplaceAllByValue

public String getReplaceAllByValue()

setReplaceAllMask

public void setReplaceAllMask(String replaceAllMask)

getReplaceAllMask

public String getReplaceAllMask()

getFields

public IfNullMeta.Fields[] getFields()

setFields

public void setFields(IfNullMeta.Fields[] fields)

getValueTypes

public IfNullMeta.ValueTypes[] getValueTypes()

setValueTypes

public void setValueTypes(IfNullMeta.ValueTypes[] valueTypes)

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.

setDefault

public void setDefault()

Description copied from interface: StepMetaInterface

Set default values

Specified by:

setDefault in interface StepMetaInterface

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 tr,
                             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

tr - 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.

supportsErrorHandling

public boolean supportsErrorHandling()

Specified by:

supportsErrorHandling in interface StepMetaInterface

Overrides:

supportsErrorHandling in class BaseStepMeta

Returns:

true if this step supports error "reporting" on rows: the ability to send rows to a certain target step.