org.pentaho.di.trans.streaming.common

类 BaseStreamStepMeta

java.lang.Object

org.pentaho.di.trans.step.BaseStepMeta

org.pentaho.di.core.util.serialization.BaseSerializingMeta

org.pentaho.di.trans.StepWithMappingMeta

org.pentaho.di.trans.streaming.common.BaseStreamStepMeta

所有已实现的接口:

Cloneable, HasRepositoryDirectories, ISubTransAwareMeta, StepAttributesInterface, StepMetaInterface

public abstract class BaseStreamStepMeta
extends StepWithMappingMeta
implements StepMetaInterface, ISubTransAwareMeta

字段概要

字段

限定符和类型	字段和说明
protected String	batchDuration
protected String	batchSize
static String	DURATION
static String	MESSAGE_DATA_TYPE
static String	NUM_MESSAGES
protected String	parallelism
static String	PARALLELISM
static String	SUB_STEP
protected String	subStep
static String	TRANSFORMATION_PATH
protected String	transformationPath

从类继承的字段 org.pentaho.di.trans.StepWithMappingMeta

directoryPath, fileName, specificationMethod, transName, transObjectId

从类继承的字段 org.pentaho.di.trans.step.BaseStepMeta

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

构造器概要

构造器

构造器和说明
BaseStreamStepMeta()

方法概要

限定符和类型	方法和说明
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.
String	getBatchDuration()
String	getBatchSize()
void	getFields(org.pentaho.di.core.row.RowMetaInterface rowMeta, 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.
String	getFileName()
int	getMessageDataType()
String	getParallelism()
String[]	getReferencedObjectDescriptions()
List<ResourceReference>	getResourceDependencies(TransMeta transMeta, StepMeta stepInfo) Get a list of all the resource dependencies that the step is depending on.
abstract org.pentaho.di.core.row.RowMeta	getRowMeta(String origin, org.pentaho.di.core.variables.VariableSpace space)
String	getSubStep()
String	getTransformationPath()
boolean[]	isReferencedObjectEnabled()
Object	loadReferencedObject(int index, Repository rep, org.pentaho.metastore.api.IMetaStore metaStore, org.pentaho.di.core.variables.VariableSpace space) Load the referenced object
void	replaceFileName(String fileName)
void	setBatchDuration(String batchDuration)
void	setBatchSize(String batchSize)
void	setDefault() Set default values
void	setParallelism(String parallelism)
void	setSubStep(String subStep)
void	setTransformationPath(String transformationPath)

从类继承的方法 org.pentaho.di.trans.StepWithMappingMeta

activateParams, activateParams, addMissingVariables, exportResources, getDirectories, getDirectoryPath, getInputMappings, getOutputMappings, getSpecificationMethod, getSpecificationMethods, getTransName, getTransObjectId, loadMappingMeta, loadMappingMeta, replaceVariableValues, replaceVariableValues, setDirectories, setDirectoryPath, setFileName, setSpecificationMethod, setTransName, setTransObjectId

从类继承的方法 org.pentaho.di.core.util.serialization.BaseSerializingMeta

getXML, loadXML, readRep, saveRep, withVariables

从类继承的方法 org.pentaho.di.trans.step.BaseStepMeta

analyseImpact, analyseImpact, cancelQueries, check, check, clone, createEntry, excludeFromCopyDistributeVerification, excludeFromRowLayoutVerification, exportResources, extractStepMetadataEntries, findAttribute, findParent, findParentEntry, getActiveReferencedObjectDescription, getDescription, getDialogClassName, getFields, getLog, getLogChannelId, getName, getObjectCopy, getObjectId, getObjectRevision, getObjectType, getOptionalStreams, getParent, getParentStepMeta, getRepCode, getRepositoryDirectory, getRequiredFields, getRequiredFields, getSQLStatements, getSQLStatements, getStepInjectionMetadataEntries, getStepIOMeta, getStepIOMeta, getStepMetaInjectionInterface, getSupportedTransformationTypes, getTableFields, getTooltip, getUsedArguments, getUsedDatabaseConnections, getUsedLibraries, getXmlCode, handleStreamSelection, hasChanged, hasRepositoryReferences, isBasic, isDebug, isDetailed, isRowLevel, 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

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.pentaho.di.trans.step.StepMetaInterface

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

从接口继承的方法 org.pentaho.di.trans.ISubTransAwareMeta

getDirectoryPath, getParentStepMeta, getSpecificationMethod, getTransName, getTransObjectId

字段详细资料

TRANSFORMATION_PATH

public static final String TRANSFORMATION_PATH

另请参阅:

常量字段值

NUM_MESSAGES

public static final String NUM_MESSAGES

另请参阅:

常量字段值

DURATION

public static final String DURATION

另请参阅:

常量字段值

SUB_STEP

public static final String SUB_STEP

另请参阅:

常量字段值

PARALLELISM

public static final String PARALLELISM

另请参阅:

常量字段值

MESSAGE_DATA_TYPE

public static final String MESSAGE_DATA_TYPE

另请参阅:

常量字段值

transformationPath

protected String transformationPath

batchSize

protected String batchSize

batchDuration

protected String batchDuration

subStep

protected String subStep

parallelism

protected String parallelism

构造器详细资料

BaseStreamStepMeta

public BaseStreamStepMeta()

方法详细资料

getSubStep

public String getSubStep()

setSubStep

public void setSubStep(String subStep)

setTransformationPath

public void setTransformationPath(String transformationPath)

setBatchSize

public void setBatchSize(String batchSize)

setBatchDuration

public void setBatchDuration(String batchDuration)

setParallelism

public void setParallelism(String parallelism)

setDefault

public void setDefault()

从接口复制的说明: StepMetaInterface

Set default values

指定者:

setDefault 在接口中 StepMetaInterface

getTransformationPath

public String getTransformationPath()

getBatchSize

public String getBatchSize()

getBatchDuration

public String getBatchDuration()

getParallelism

public String getParallelism()

getMessageDataType

public int getMessageDataType()

replaceFileName

public void replaceFileName(String fileName)

覆盖:

replaceFileName 在类中 StepWithMappingMeta

参数:

fileName - the fileName to set

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)

从接口复制的说明: StepMetaInterface

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

指定者:

check 在接口中 StepMetaInterface

覆盖:

check 在类中 BaseStepMeta

参数:

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

getFileName

public String getFileName()

指定者:

getFileName 在接口中 ISubTransAwareMeta

覆盖:

getFileName 在类中 StepWithMappingMeta

返回:

the fileName

getResourceDependencies

public List<ResourceReference> getResourceDependencies(TransMeta transMeta,
                                                       StepMeta stepInfo)

从类复制的说明: BaseStepMeta

Get a list of all the resource dependencies that the step is depending on.

指定者:

getResourceDependencies 在接口中 StepMetaInterface

覆盖:

getResourceDependencies 在类中 BaseStepMeta

返回:

a list of all the resource dependencies that the step is depending on

getReferencedObjectDescriptions

public String[] getReferencedObjectDescriptions()

指定者:

getReferencedObjectDescriptions 在接口中 StepMetaInterface

覆盖:

getReferencedObjectDescriptions 在类中 BaseStepMeta

返回:

The objects referenced in the step, like a mapping, a transformation, a job, ...

isReferencedObjectEnabled

public boolean[] isReferencedObjectEnabled()

指定者:

isReferencedObjectEnabled 在接口中 StepMetaInterface

覆盖:

isReferencedObjectEnabled 在类中 BaseStepMeta

返回:

true for each referenced object that is enabled or has a valid reference definition.

loadReferencedObject

public Object loadReferencedObject(int index,
                                   Repository rep,
                                   org.pentaho.metastore.api.IMetaStore metaStore,
                                   org.pentaho.di.core.variables.VariableSpace space)
                            throws org.pentaho.di.core.exception.KettleException

从接口复制的说明: StepMetaInterface

Load the referenced object

指定者:

loadReferencedObject 在接口中 StepMetaInterface

覆盖:

loadReferencedObject 在类中 BaseStepMeta

参数:

index - the referenced object index to load (in case there are multiple references)

rep - the repository

metaStore - the MetaStore to use

space - the variable space to use

返回:

the referenced object once loaded

抛出:

org.pentaho.di.core.exception.KettleException

getRowMeta

public abstract org.pentaho.di.core.row.RowMeta getRowMeta(String origin,
                                                           org.pentaho.di.core.variables.VariableSpace space)
                                                    throws org.pentaho.di.core.exception.KettleStepException

抛出:

org.pentaho.di.core.exception.KettleStepException

getFields

public void getFields(org.pentaho.di.core.row.RowMetaInterface rowMeta,
                      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.KettleStepException

从类复制的说明: BaseStepMeta

Gets the fields.

指定者:

getFields 在接口中 StepMetaInterface

覆盖:

getFields 在类中 BaseStepMeta

参数:

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

origin - 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

抛出:

org.pentaho.di.core.exception.KettleStepException - the kettle step exception