org.pentaho.di.trans.steps.combinationlookup

Class CombinationLookupMeta

java.lang.Object

org.pentaho.di.trans.step.BaseStepMeta

org.pentaho.di.trans.steps.combinationlookup.CombinationLookupMeta

All Implemented Interfaces:

Cloneable, StepAttributesInterface, StepMetaInterface

public class CombinationLookupMeta
extends BaseStepMeta
implements StepMetaInterface

Field Summary

Fields

Modifier and Type	Field and Description
static String	CREATION_METHOD_AUTOINC
static String	CREATION_METHOD_SEQUENCE
static String	CREATION_METHOD_TABLEMAX
static int	DEFAULT_CACHE_SIZE Default cache size: 0 will cache everything

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

loggingObject, STEP_ATTRIBUTES_FILE

Constructor Summary

Constructors

Constructor and Description
CombinationLookupMeta()

Method Summary

Methods

Modifier and Type	Method and Description
void	allocate(int nrkeys)
void	analyseImpact(List<DatabaseImpact> impact, TransMeta transMeta, StepMeta stepMeta, org.pentaho.di.core.row.RowMetaInterface prev, String[] input, String[] output, org.pentaho.di.core.row.RowMetaInterface info, Repository repository, org.pentaho.metastore.api.IMetaStore metaStore) Each step must be able to report on the impact it has on a database, table field, etc.
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.
boolean	equals(Object other)
int	getCacheSize()
int	getCommitSize()
org.pentaho.di.core.database.DatabaseMeta	getDatabaseMeta()
void	getFields(org.pentaho.di.core.row.RowMetaInterface row, 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	getHashField()
String[]	getKeyField()
String[]	getKeyLookup()
String	getLastUpdateField()
String	getSchemaName()
String	getSequenceFrom()
org.pentaho.di.core.SQLStatement	getSQLStatements(TransMeta transMeta, StepMeta stepMeta, org.pentaho.di.core.row.RowMetaInterface prev, Repository repository, org.pentaho.metastore.api.IMetaStore metaStore) Standard method to return an SQLStatement object with SQL statements that the step needs in order to work correctly.
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	getTablename()
String	getTechKeyCreation() Get the way how the technical key field should be created.
String	getTechnicalKeyField()
org.pentaho.di.core.database.DatabaseMeta[]	getUsedDatabaseConnections() This method returns all the database connections that are used by the step.
String	getXML() Produces the XML string that describes this step's information.
boolean	isUseAutoinc()
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
boolean	replaceFields()
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	setCacheSize(int cacheSize)
void	setCommitSize(int commitSize)
void	setDatabaseMeta(org.pentaho.di.core.database.DatabaseMeta database)
void	setDefault() Set default values
void	setHashField(String hashField)
void	setKeyField(String[] keyField)
void	setKeyLookup(String[] keyLookup)
void	setLastUpdateField(String lastUpdateField)
void	setReplaceFields(boolean replaceFields)
void	setSchemaName(String schemaName)
void	setSequenceFrom(String sequenceFrom)
void	setTablename(String tablename)
void	setTechKeyCreation(String techKeyCreation) Set the way how the technical key field should be created.
void	setTechnicalKeyField(String technicalKeyField)
void	setUseAutoinc(boolean useAutoinc)
void	setUseHash(boolean useHash)
boolean	supportsErrorHandling()
boolean	useHash()

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

analyseImpact, cancelQueries, check, check, excludeFromCopyDistributeVerification, excludeFromRowLayoutVerification, exportResources, exportResources, findAttribute, findParent, getDescription, getDialogClassName, getFields, getLog, getLogChannelId, getName, getObjectCopy, getObjectId, getObjectRevision, getObjectType, getOptionalStreams, getParent, getParentStepMeta, getReferencedObjectDescriptions, getRepCode, getRepositoryDirectory, getRequiredFields, getRequiredFields, getResourceDependencies, getSQLStatements, getStepInjectionMetadataEntries, getStepIOMeta, getStepMetaInjectionInterface, getSupportedTransformationTypes, getTableFields, getTooltip, getUsedArguments, 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

getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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

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

Field Detail

DEFAULT_CACHE_SIZE

public static final int DEFAULT_CACHE_SIZE

Default cache size: 0 will cache everything

See Also:

Constant Field Values

CREATION_METHOD_AUTOINC

public static String CREATION_METHOD_AUTOINC

CREATION_METHOD_SEQUENCE

public static String CREATION_METHOD_SEQUENCE

CREATION_METHOD_TABLEMAX

public static String CREATION_METHOD_TABLEMAX

Constructor Detail

CombinationLookupMeta

public CombinationLookupMeta()

Method Detail

getDatabaseMeta

public org.pentaho.di.core.database.DatabaseMeta getDatabaseMeta()

Returns:

Returns the database.

setDatabaseMeta

public void setDatabaseMeta(org.pentaho.di.core.database.DatabaseMeta database)

Parameters:

database - The database to set.

setTechKeyCreation

public void setTechKeyCreation(String techKeyCreation)

Set the way how the technical key field should be created.

Parameters:

techKeyCreation - which method to use for the creation of the technical key.

getTechKeyCreation

public String getTechKeyCreation()

Get the way how the technical key field should be created.

Returns:

creation way for the technical key.

getCommitSize

public int getCommitSize()

Returns:

Returns the commitSize.

setCommitSize

public void setCommitSize(int commitSize)

Parameters:

commitSize - The commitSize to set.

getCacheSize

public int getCacheSize()

Returns:

Returns the cacheSize.

setCacheSize

public void setCacheSize(int cacheSize)

Parameters:

cacheSize - The cacheSize to set.

getHashField

public String getHashField()

Returns:

Returns the hashField.

setHashField

public void setHashField(String hashField)

Parameters:

hashField - The hashField to set.

getKeyField

public String[] getKeyField()

Returns:

Returns the keyField (names in the stream).

setKeyField

public void setKeyField(String[] keyField)

Parameters:

keyField - The keyField to set.

getKeyLookup

public String[] getKeyLookup()

Returns:

Returns the keyLookup (names in the dimension table)

setKeyLookup

public void setKeyLookup(String[] keyLookup)

Parameters:

keyLookup - The keyLookup to set.

replaceFields

public boolean replaceFields()

Returns:

Returns the replaceFields.

setReplaceFields

public void setReplaceFields(boolean replaceFields)

Parameters:

replaceFields - The replaceFields to set.

getSequenceFrom

public String getSequenceFrom()

Returns:

Returns the sequenceFrom.

setSequenceFrom

public void setSequenceFrom(String sequenceFrom)

Parameters:

sequenceFrom - The sequenceFrom to set.

getTablename

public String getTablename()

Returns:

Returns the tablename.

setTablename

public void setTablename(String tablename)

Parameters:

tablename - The tablename to set.

getTechnicalKeyField

public String getTechnicalKeyField()

Returns:

Returns the technicalKeyField.

setTechnicalKeyField

public void setTechnicalKeyField(String technicalKeyField)

Parameters:

technicalKeyField - The technicalKeyField to set.

isUseAutoinc

public boolean isUseAutoinc()

Returns:

Returns the useAutoinc.

setUseAutoinc

public void setUseAutoinc(boolean useAutoinc)

Parameters:

useAutoinc - The useAutoinc to set.

useHash

public boolean useHash()

Returns:

Returns the useHash.

setUseHash

public void setUseHash(boolean useHash)

Parameters:

useHash - The useHash 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 nrkeys)

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 row,
             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

Description copied from class: BaseStepMeta

Gets the fields.

Specified by:

getFields in interface StepMetaInterface

Overrides:

getFields in class BaseStepMeta

Parameters:

row - 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

Throws:

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

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

getSQLStatements

public org.pentaho.di.core.SQLStatement getSQLStatements(TransMeta transMeta,
                                                StepMeta stepMeta,
                                                org.pentaho.di.core.row.RowMetaInterface prev,
                                                Repository repository,
                                                org.pentaho.metastore.api.IMetaStore metaStore)

Description copied from class: BaseStepMeta

Standard method to return an SQLStatement object with SQL statements that the step needs in order to work correctly. This can mean "create table", "create index" statements but also "alter table ... add/drop/modify" statements.

Specified by:

getSQLStatements in interface StepMetaInterface

Overrides:

getSQLStatements in class BaseStepMeta

Parameters:

transMeta - TransInfo object containing the complete transformation

stepMeta - StepMeta object containing the complete step

prev - Row containing meta-data for the input fields (no data)

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

Returns:

The SQL Statements for this step. If nothing has to be done, the SQLStatement.getSQL() == null. @see SQLStatement

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.

analyseImpact

public void analyseImpact(List<DatabaseImpact> impact,
                 TransMeta transMeta,
                 StepMeta stepMeta,
                 org.pentaho.di.core.row.RowMetaInterface prev,
                 String[] input,
                 String[] output,
                 org.pentaho.di.core.row.RowMetaInterface info,
                 Repository repository,
                 org.pentaho.metastore.api.IMetaStore metaStore)

Description copied from class: BaseStepMeta

Each step must be able to report on the impact it has on a database, table field, etc.

Specified by:

analyseImpact in interface StepMetaInterface

Overrides:

analyseImpact in class BaseStepMeta

Parameters:

impact - The list of impacts @see org.pentaho.di.transMeta.DatabaseImpact

transMeta - The transformation information

stepMeta - The step information

prev - The fields entering this step

input - The previous step names

output - The output step names

info - The fields used as information by this step

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

getUsedDatabaseConnections

public org.pentaho.di.core.database.DatabaseMeta[] getUsedDatabaseConnections()

Description copied from class: BaseStepMeta

This method returns all the database connections that are used by the step.

Specified by:

getUsedDatabaseConnections in interface StepMetaInterface

Overrides:

getUsedDatabaseConnections in class BaseStepMeta

Returns:

an array of database connections meta-data. Return an empty array if no connections are used.

equals

public boolean equals(Object other)

Overrides:

equals in class Object

getSchemaName

public String getSchemaName()

Returns:

the schemaName

setSchemaName

public void setSchemaName(String schemaName)

Parameters:

schemaName - the schemaName to set

getLastUpdateField

public String getLastUpdateField()

Returns:

the lastUpdateField

setLastUpdateField

public void setLastUpdateField(String lastUpdateField)

Parameters:

lastUpdateField - the lastUpdateField to set

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.