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java.lang.Object org.pentaho.di.trans.step.BaseStepMeta org.pentaho.di.trans.steps.mapping.MappingMeta
public class MappingMeta
Meta-data for the Mapping step: contains name of the (sub-)transformation to execute
Field Summary |
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Fields inherited from class org.pentaho.di.trans.step.BaseStepMeta |
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loggingObject, STEP_ATTRIBUTES_FILE |
Constructor Summary | |
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MappingMeta()
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Method Summary | |
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void |
check(List<CheckResultInterface> remarks,
TransMeta transMeta,
StepMeta stepinfo,
RowMetaInterface prev,
String[] input,
String[] output,
RowMetaInterface info)
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. |
boolean |
excludeFromRowLayoutVerification()
This method is added to exclude certain steps from layout checking. |
String |
exportResources(VariableSpace space,
Map<String,ResourceDefinition> definitions,
ResourceNamingInterface resourceNamingInterface,
Repository repository)
Export resources. |
String |
getDirectoryPath()
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void |
getFields(RowMetaInterface row,
String origin,
RowMetaInterface[] info,
StepMeta nextStep,
VariableSpace space)
Gets the fields. |
String |
getFileName()
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String[] |
getInfoSteps()
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List<MappingIODefinition> |
getInputMappings()
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MappingParameters |
getMappingParameters()
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List<MappingIODefinition> |
getOutputMappings()
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Repository |
getRepository()
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List<ResourceReference> |
getResourceDependencies(TransMeta transMeta,
StepMeta stepInfo)
Get a list of all the resource dependencies that the step is depending on. |
ObjectLocationSpecificationMethod |
getSpecificationMethod()
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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. |
StepIOMetaInterface |
getStepIOMeta()
Returns the Input/Output metadata for this step. |
TransMeta.TransformationType[] |
getSupportedTransformationTypes()
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String[] |
getTargetSteps()
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String |
getTransName()
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ObjectId |
getTransObjectId()
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String |
getXML()
Produces the XML string that describes this step's information. |
boolean |
hasRepositoryReferences()
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boolean |
isAllowingMultipleInputs()
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boolean |
isAllowingMultipleOutputs()
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static TransMeta |
loadMappingMeta(MappingMeta mappingMeta,
Repository rep,
VariableSpace space)
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void |
loadXML(Node stepnode,
List<DatabaseMeta> databases,
Map<String,Counter> counters)
Load the values for this step from an XML Node |
void |
lookupRepositoryReferences(Repository repository)
Look up the references after import |
void |
readRep(Repository rep,
ObjectId id_step,
List<DatabaseMeta> databases,
Map<String,Counter> counters)
Read the steps information from a Kettle repository |
void |
resetStepIoMeta()
Remove the cached StepIOMeta so it is recreated when it is next accessed. |
void |
saveRep(Repository rep,
ObjectId id_transformation,
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 |
setAllowingMultipleInputs(boolean allowingMultipleInputs)
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void |
setAllowingMultipleOutputs(boolean allowingMultipleOutputs)
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void |
setDefault()
Set default values |
void |
setDirectoryPath(String directoryPath)
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void |
setFileName(String fileName)
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void |
setInputMappings(List<MappingIODefinition> inputMappings)
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void |
setMappingParameters(MappingParameters mappingParameters)
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void |
setOutputMappings(List<MappingIODefinition> outputMappings)
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void |
setRepository(Repository repository)
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void |
setSpecificationMethod(ObjectLocationSpecificationMethod specificationMethod)
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void |
setTransName(String transName)
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void |
setTransObjectId(ObjectId transObjectId)
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Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.pentaho.di.trans.step.StepMetaInterface |
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analyseImpact, cancelQueries, excludeFromCopyDistributeVerification, getDialogClassName, getOptionalStreams, getParentStepMeta, getRequiredFields, getSQLStatements, getStepMetaInjectionInterface, getTableFields, getUsedArguments, getUsedDatabaseConnections, getUsedLibraries, handleStreamSelection, setParentStepMeta, supportsErrorHandling |
Constructor Detail |
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public MappingMeta()
Method Detail |
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public void loadXML(Node stepnode, List<DatabaseMeta> databases, Map<String,Counter> counters) throws KettleXMLException
StepMetaInterface
loadXML
in interface StepMetaInterface
stepnode
- the Node to get the info fromdatabases
- The available list of databases to reference tocounters
- Counters to reference.
KettleXMLException
- When an unexpected XML error occurred. (malformed etc.)public Object clone()
StepMetaInterface
clone
in interface StepMetaInterface
clone
in class BaseStepMeta
public String getXML()
BaseStepMeta
getXML
in interface StepMetaInterface
getXML
in class BaseStepMeta
public void readRep(Repository rep, ObjectId id_step, List<DatabaseMeta> databases, Map<String,Counter> counters) throws KettleException
StepMetaInterface
readRep
in interface StepMetaInterface
rep
- The repository to read fromid_step
- The step IDdatabases
- The databases to referencecounters
- The counters to reference
KettleException
- When an unexpected error occurred (database, network, etc)public void saveRep(Repository rep, ObjectId id_transformation, ObjectId id_step) throws KettleException
StepMetaInterface
saveRep
in interface StepMetaInterface
rep
- The Kettle repository to save toid_transformation
- The transformation IDid_step
- The step ID
KettleException
- When an unexpected error occurred (database, network, etc)public void setDefault()
StepMetaInterface
setDefault
in interface StepMetaInterface
public void getFields(RowMetaInterface row, String origin, RowMetaInterface[] info, StepMeta nextStep, VariableSpace space) throws KettleStepException
BaseStepMeta
getFields
in interface StepMetaInterface
getFields
in class BaseStepMeta
row
- the input row metaorigin
- the nameinfo
- the infonextStep
- the next stepspace
- the space
KettleStepException
- the kettle step exceptionpublic String[] getInfoSteps()
public String[] getTargetSteps()
public static final TransMeta loadMappingMeta(MappingMeta mappingMeta, Repository rep, VariableSpace space) throws KettleException
KettleException
public void check(List<CheckResultInterface> remarks, TransMeta transMeta, StepMeta stepinfo, RowMetaInterface prev, String[] input, String[] output, RowMetaInterface info)
StepMetaInterface
check
in interface StepMetaInterface
remarks
- The list to put the remarks in @see org.pentaho.di.core.CheckResultstepinfo
- 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 steppublic StepInterface getStep(StepMeta stepMeta, StepDataInterface stepDataInterface, int cnr, TransMeta tr, Trans trans)
StepMetaInterface
getStep
in interface StepMetaInterface
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 gettr
- The transformation infotrans
- The launching transformationpublic StepDataInterface getStepData()
StepMetaInterface
getStepData
in interface StepMetaInterface
public String getDirectoryPath()
public void setDirectoryPath(String directoryPath)
directoryPath
- the directoryPath to setpublic String getFileName()
public void setFileName(String fileName)
fileName
- the fileName to setpublic String getTransName()
public void setTransName(String transName)
transName
- the transName to setpublic List<MappingIODefinition> getInputMappings()
public void setInputMappings(List<MappingIODefinition> inputMappings)
inputMappings
- the inputMappings to setpublic List<MappingIODefinition> getOutputMappings()
public void setOutputMappings(List<MappingIODefinition> outputMappings)
outputMappings
- the outputMappings to setpublic MappingParameters getMappingParameters()
public void setMappingParameters(MappingParameters mappingParameters)
mappingParameters
- the mappingParameters to setpublic List<ResourceReference> getResourceDependencies(TransMeta transMeta, StepMeta stepInfo)
BaseStepMeta
getResourceDependencies
in interface StepMetaInterface
getResourceDependencies
in class BaseStepMeta
public String exportResources(VariableSpace space, Map<String,ResourceDefinition> definitions, ResourceNamingInterface resourceNamingInterface, Repository repository) throws KettleException
BaseStepMeta
exportResources
in interface StepMetaInterface
exportResources
in class BaseStepMeta
space
- the spacedefinitions
- the definitionsresourceNamingInterface
- the resource naming interfacerepository
- the repository
KettleException
- the kettle exceptionpublic Repository getRepository()
getRepository
in interface HasRepositoryInterface
public void setRepository(Repository repository)
setRepository
in interface HasRepositoryInterface
repository
- the repository to setpublic ObjectId getTransObjectId()
public void setTransObjectId(ObjectId transObjectId)
transObjectId
- the transObjectId to setpublic ObjectLocationSpecificationMethod getSpecificationMethod()
public void setSpecificationMethod(ObjectLocationSpecificationMethod specificationMethod)
specificationMethod
- the specificationMethod to setpublic StepIOMetaInterface getStepIOMeta()
BaseStepMeta
getStepIOMeta
in interface StepMetaInterface
getStepIOMeta
in class BaseStepMeta
public void resetStepIoMeta()
StepIOMeta
so it is recreated when it is next accessed.
resetStepIoMeta
in interface StepMetaInterface
resetStepIoMeta
in class BaseStepMeta
public boolean excludeFromRowLayoutVerification()
BaseStepMeta
excludeFromRowLayoutVerification
in interface StepMetaInterface
excludeFromRowLayoutVerification
in class BaseStepMeta
public void searchInfoAndTargetSteps(List<StepMeta> steps)
BaseStepMeta
searchInfoAndTargetSteps
in interface StepMetaInterface
searchInfoAndTargetSteps
in class BaseStepMeta
steps
- the steps to referencepublic TransMeta.TransformationType[] getSupportedTransformationTypes()
getSupportedTransformationTypes
in interface StepMetaInterface
getSupportedTransformationTypes
in class BaseStepMeta
public boolean hasRepositoryReferences()
hasRepositoryReferences
in interface StepMetaInterface
hasRepositoryReferences
in class BaseStepMeta
public void lookupRepositoryReferences(Repository repository) throws KettleException
BaseStepMeta
lookupRepositoryReferences
in interface StepMetaInterface
lookupRepositoryReferences
in class BaseStepMeta
repository
- the repository to reference.
KettleException
public boolean isAllowingMultipleInputs()
public void setAllowingMultipleInputs(boolean allowingMultipleInputs)
allowingMultipleInputs
- the allowingMultipleInputs to setpublic boolean isAllowingMultipleOutputs()
public void setAllowingMultipleOutputs(boolean allowingMultipleOutputs)
allowingMultipleOutputs
- the allowingMultipleOutputs to set
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