org.pentaho.di.trans.steps.userdefinedjavaclass

类 UserDefinedJavaClassMeta

java.lang.Object

org.pentaho.di.trans.step.BaseStepMeta

org.pentaho.di.trans.steps.userdefinedjavaclass.UserDefinedJavaClassMeta

所有已实现的接口:

Cloneable, StepAttributesInterface, StepMetaInterface

public class UserDefinedJavaClassMeta
extends BaseStepMeta
implements StepMetaInterface

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	UserDefinedJavaClassMeta.ElementNames
static class	UserDefinedJavaClassMeta.FieldInfo

字段概要

字段

限定符和类型	字段和说明
Class<TransformClassBase>	cookedTransformClass
List<Exception>	cookErrors

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
UserDefinedJavaClassMeta()

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 stepinfo, 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	cookClasses()
boolean	excludeFromRowLayoutVerification() This method is added to exclude certain steps from layout checking.
List<UserDefinedJavaClassDef>	getDefinitions()
List<UserDefinedJavaClassMeta.FieldInfo>	getFieldInfo()
void	getFields(org.pentaho.di.core.row.RowMetaInterface row, String originStepname, 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.
List<InfoStepDefinition>	getInfoStepDefinitions()
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.
StepIOMetaInterface	getStepIOMeta() Returns the Input/Output metadata for this step.
List<TargetStepDefinition>	getTargetStepDefinitions()
List<UsageParameter>	getUsageParameters()
String	getXML() Produces the XML string that describes this step's information.
boolean	isClearingResultFields()
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
TransformClassBase	newChildInstance(UserDefinedJavaClass parent, UserDefinedJavaClassMeta meta, UserDefinedJavaClassData data)
protected List<UserDefinedJavaClassDef>	orderDefinitions(List<UserDefinedJavaClassDef> definitions) This method oders the classes by sorting all the normal classes by alphabetic order and then sorting all the transaction classes by alphabetical order.
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	replaceDefinitions(List<UserDefinedJavaClassDef> definitions)
void	replaceFields(List<UserDefinedJavaClassMeta.FieldInfo> fields)
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	searchInfoAndTargetSteps(List<StepMeta> steps) Change step names into step objects to allow them to be name-changed etc.
void	setClearingResultFields(boolean clearingResultFields)
void	setDefault() Set default values
void	setFieldInfo(List<UserDefinedJavaClassMeta.FieldInfo> fields)
void	setInfoStepDefinitions(List<InfoStepDefinition> infoStepDefinitions)
void	setTargetStepDefinitions(List<TargetStepDefinition> targetStepDefinitions)
void	setUsageParameters(List<UsageParameter> usageParameters)
boolean	supportsErrorHandling()

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

analyseImpact, analyseImpact, cancelQueries, check, check, createEntry, excludeFromCopyDistributeVerification, 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, 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, setChanged, setChanged, setParentStepMeta, setStepIOMeta

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, excludeFromCopyDistributeVerification, exportResources, exportResources, extractStepMetadataEntries, fetchTransMeta, getActiveReferencedObjectDescription, getDialogClassName, getFields, getOptionalStreams, getParentStepMeta, getReferencedObjectDescriptions, getRequiredFields, getResourceDependencies, getSQLStatements, getSQLStatements, getStepMetaInjectionInterface, getSupportedTransformationTypes, getTableFields, getUsedArguments, getUsedDatabaseConnections, getUsedLibraries, handleStreamSelection, hasChanged, hasRepositoryReferences, isReferencedObjectEnabled, loadReferencedObject, loadXML, lookupRepositoryReferences, passDataToServletOutput, readRep, resetStepIoMeta, saveRep, setChanged, setParentStepMeta

字段详细资料

cookedTransformClass

public Class<TransformClassBase> cookedTransformClass

cookErrors

public List<Exception> cookErrors

构造器详细资料

UserDefinedJavaClassMeta

public UserDefinedJavaClassMeta()

方法详细资料

cookClasses

public void cookClasses()

newChildInstance

public TransformClassBase newChildInstance(UserDefinedJavaClass parent,
                                           UserDefinedJavaClassMeta meta,
                                           UserDefinedJavaClassData data)

getFieldInfo

public List<UserDefinedJavaClassMeta.FieldInfo> getFieldInfo()

setFieldInfo

public void setFieldInfo(List<UserDefinedJavaClassMeta.FieldInfo> fields)

replaceFields

public void replaceFields(List<UserDefinedJavaClassMeta.FieldInfo> fields)

getDefinitions

public List<UserDefinedJavaClassDef> getDefinitions()

orderDefinitions

protected List<UserDefinedJavaClassDef> orderDefinitions(List<UserDefinedJavaClassDef> definitions)

This method oders the classes by sorting all the normal classes by alphabetic order and then sorting all the transaction classes by alphabetical order. This makes the resolution of classes deterministic by type and then by class name.

参数:

definitions - - Unorder list of user defined classes

返回:

- Ordered list of user defined classes

replaceDefinitions

public void replaceDefinitions(List<UserDefinedJavaClassDef> definitions)

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

从接口复制的说明: StepMetaInterface

Load the values for this step from an XML Node

指定者:

loadXML 在接口中 StepMetaInterface

覆盖:

loadXML 在类中 BaseStepMeta

参数:

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

抛出:

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

clone

public Object clone()

从接口复制的说明: StepMetaInterface

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

指定者:

clone 在接口中 StepMetaInterface

覆盖:

clone 在类中 BaseStepMeta

返回:

an exact copy of this step

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

getStepIOMeta

public StepIOMetaInterface getStepIOMeta()

从接口复制的说明: StepMetaInterface

Returns the Input/Output metadata for this step.

指定者:

getStepIOMeta 在接口中 StepMetaInterface

覆盖:

getStepIOMeta 在类中 BaseStepMeta

searchInfoAndTargetSteps

public void searchInfoAndTargetSteps(List<StepMeta> steps)

从类复制的说明: BaseStepMeta

Change step names into step objects to allow them to be name-changed etc.

指定者:

searchInfoAndTargetSteps 在接口中 StepMetaInterface

覆盖:

searchInfoAndTargetSteps 在类中 BaseStepMeta

参数:

steps - the steps to reference

getFields

public void getFields(org.pentaho.di.core.row.RowMetaInterface row,
                      String originStepname,
                      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:

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

originStepname - 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

getXML

public String getXML()

从类复制的说明: BaseStepMeta

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

指定者:

getXML 在接口中 StepMetaInterface

覆盖:

getXML 在类中 BaseStepMeta

返回:

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

从接口复制的说明: StepMetaInterface

Read the steps information from a Kettle repository

指定者:

readRep 在接口中 StepMetaInterface

覆盖:

readRep 在类中 BaseStepMeta

参数:

rep - The repository to read from

metaStore - The MetaStore to read external information from

id_step - The step ID

databases - The databases to reference

抛出:

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

从接口复制的说明: StepMetaInterface

Save the steps data into a Kettle repository

指定者:

saveRep 在接口中 StepMetaInterface

覆盖:

saveRep 在类中 BaseStepMeta

参数:

rep - The Kettle repository to save to

metaStore - the metaStore to optionally write to

id_transformation - The transformation ID

id_step - The step ID

抛出:

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 stepinfo,
                  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

stepinfo - 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)

从接口复制的说明: StepMetaInterface

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

指定者:

getStep 在接口中 StepMetaInterface

参数:

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()

从接口复制的说明: 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.

指定者:

getStepData 在接口中 StepMetaInterface

返回:

The appropriate StepDataInterface class.

supportsErrorHandling

public boolean supportsErrorHandling()

指定者:

supportsErrorHandling 在接口中 StepMetaInterface

覆盖:

supportsErrorHandling 在类中 BaseStepMeta

返回:

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

isClearingResultFields

public boolean isClearingResultFields()

返回:

the clearingResultFields

setClearingResultFields

public void setClearingResultFields(boolean clearingResultFields)

参数:

clearingResultFields - the clearingResultFields to set

getInfoStepDefinitions

public List<InfoStepDefinition> getInfoStepDefinitions()

返回:

the infoStepDefinitions

setInfoStepDefinitions

public void setInfoStepDefinitions(List<InfoStepDefinition> infoStepDefinitions)

参数:

infoStepDefinitions - the infoStepDefinitions to set

getTargetStepDefinitions

public List<TargetStepDefinition> getTargetStepDefinitions()

返回:

the targetStepDefinitions

setTargetStepDefinitions

public void setTargetStepDefinitions(List<TargetStepDefinition> targetStepDefinitions)

参数:

targetStepDefinitions - the targetStepDefinitions to set

excludeFromRowLayoutVerification

public boolean excludeFromRowLayoutVerification()

从类复制的说明: BaseStepMeta

This method is added to exclude certain steps from layout checking.

指定者:

excludeFromRowLayoutVerification 在接口中 StepMetaInterface

覆盖:

excludeFromRowLayoutVerification 在类中 BaseStepMeta

getUsageParameters

public List<UsageParameter> getUsageParameters()

返回:

the usageParameters

setUsageParameters

public void setUsageParameters(List<UsageParameter> usageParameters)

参数:

usageParameters - the usageParameters to set