org.pentaho.di.trans.step

类 BaseStepMeta

java.lang.Object

org.pentaho.di.trans.step.BaseStepMeta

所有已实现的接口:

Cloneable, StepAttributesInterface

直接已知子类:

AbstractStepMeta, AddSequenceMeta, BaseFileMeta, BaseSerializingMeta, BlockUntilStepsFinishMeta, CalculatorMeta, ConstantMeta, CreditCardValidatorMeta, CsvInputMeta, CubeInputMeta, CubeOutputMeta, DatabaseJoinMeta, DatabaseLookupMeta, DataGridMeta, DBProcMeta, DelayMeta, DeleteMeta, DenormaliserMeta, DetectEmptyStreamMeta, DetectLastRowMeta, DimensionLookupMeta, DummyTransMeta, DynamicSQLRowMeta, EasyExpandMeta, Edi2XmlMeta, ExcelInputMeta, ExcelOutputMeta, ExcelWriterStepMeta, ExecProcessMeta, ExecSQLMeta, ExecSQLRowMeta, FieldsChangeSequenceMeta, FieldSplitterMeta, FileExistsMeta, FileLockedMeta, FilesFromResultMeta, FilesToResultMeta, FilterRowsMeta, FixedInputMeta, FlattenerMeta, FormulaMeta, FuzzyMatchMeta, GetFileNamesMeta, GetFilesRowsCountMeta, GetRepositoryNamesMeta, GetSlaveSequenceMeta, GetSubFoldersMeta, GetTableNamesMeta, GetVariableMeta, GroupByMeta, HTTPMeta, HTTPPOSTMeta, IfNullMeta, IngresVectorwiseLoaderMeta, InjectorMeta, InsertUpdateMeta, JaninoMeta, JavaFilterMeta, JobExecutorMeta, JoinRowsMeta, LDAPInputMeta, LDAPOutputMeta, LDIFInputMeta, LoadFileInputMeta, MailInputMeta, MailMeta, MailValidatorMeta, MappingInputMeta, MappingOutputMeta, MemoryGroupByMeta, MergeJoinMeta, MergeRowsMeta, MondrianInputMeta, MonetDBBulkLoaderMeta, MultiMergeJoinMeta, MySQLBulkLoaderMeta, NormaliserMeta, NullIfMeta, NumberRangeMeta, OlapInputMeta, OraBulkLoaderMeta, ParGzipCsvInputMeta, PentahoReportingOutputMeta, PGBulkLoaderMeta, PGPDecryptStreamMeta, PGPEncryptStreamMeta, PrioritizeStreamsMeta, ProcessFilesMeta, PropertyInputMeta, PropertyOutputMeta, RandomCCNumberGeneratorMeta, RandomValueMeta, RegexEvalMeta, ReplaceStringMeta, ReservoirSamplingMeta, RestMeta, RowGeneratorMeta, RowsFromResultMeta, RowsToResultMeta, RssInputMeta, RssOutputMeta, SampleRowsMeta, SasInputMeta, ScriptMeta, ScriptValuesMetaMod, SecretKeyGeneratorMeta, SelectValuesMeta, SetValueConstantMeta, SetValueFieldMeta, SetVariableMeta, SFTPPutMeta, SocketReaderMeta, SocketWriterMeta, SortedMergeMeta, SortRowsMeta, SplitFieldToRowsMeta, SQLFileOutputMeta, SSHMeta, StepMetastructureMeta, StepsMetricsMeta, StreamLookupMeta, StringCutMeta, StringOperationsMeta, SwitchCaseMeta, SymmetricCryptoTransMeta, SynchronizeAfterMergeMeta, SyslogMessageMeta, SystemDataMeta, TableCompareMeta, TableExistsMeta, TableInputMeta, TableOutputMeta, TextFileInputMeta, UniqueRowsByHashSetMeta, UniqueRowsMeta, UnivariateStatsMeta, UpdateMeta, UserDefinedJavaClassMeta, ValidatorMeta, ValueMapperMeta, WebServiceAvailableMeta, WebServiceMeta, WriteToLogMeta, XBaseInputMeta, YamlInputMeta, ZipFileMeta

public class BaseStepMeta
extends Object
implements Cloneable, StepAttributesInterface

This class is responsible for implementing common functionality regarding step meta, such as logging. All Kettle steps have an extension of this where private fields have been added with public accessors.

For example, the "Text File Output" step's TextFileOutputMeta class extends BaseStepMeta by adding fields for the output file name, compression, file format, etc...

字段概要

字段

限定符和类型	字段和说明
protected ArrayList<org.pentaho.di.core.KettleAttributeInterface>	attributes
protected org.pentaho.di.core.database.Database[]	databases database connection object to use for searching fields & checking steps
protected org.pentaho.di.core.logging.LogChannelInterface	log
static org.pentaho.di.core.logging.LoggingObjectInterface	loggingObject
protected StepMeta	parentStepMeta
protected Repository	repository The repository that is being used for this step
static String	STEP_ATTRIBUTES_FILE

构造器概要

构造器

构造器和说明
BaseStepMeta() Instantiates a new base step meta.

方法概要

限定符和类型	方法和说明
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) 已过时。 use analyseImpact(List, TransMeta, StepMeta, RowMetaInterface, String[], String[], RowMetaInterface, Repository, IMetaStore)
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	cancelQueries() Call this to cancel trailing database queries (too long running, 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) 已过时。 use check(List, TransMeta, StepMeta, RowMetaInterface, String[], String[], RowMetaInterface, VariableSpace, Repository, IMetaStore)
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, Repository repository, org.pentaho.metastore.api.IMetaStore metaStore) 已过时。 use check(List, TransMeta, StepMeta, RowMetaInterface, String[], String[], RowMetaInterface, VariableSpace, Repository, IMetaStore)
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)
Object	clone()
protected StepInjectionMetaEntry	createEntry(org.pentaho.di.core.KettleAttributeInterface attr, Class<?> PKG) Creates the entry.
boolean	excludeFromCopyDistributeVerification() This method is added to exclude certain steps from copy/distribute checking.
boolean	excludeFromRowLayoutVerification() This method is added to exclude certain steps from layout checking.
String	exportResources(org.pentaho.di.core.variables.VariableSpace space, Map<String,ResourceDefinition> definitions, ResourceNamingInterface resourceNamingInterface, Repository repository) 已过时。 use exportResources(VariableSpace, Map, ResourceNamingInterface, Repository, IMetaStore)
String	exportResources(org.pentaho.di.core.variables.VariableSpace space, Map<String,ResourceDefinition> definitions, ResourceNamingInterface resourceNamingInterface, Repository repository, org.pentaho.metastore.api.IMetaStore metaStore)
List<StepInjectionMetaEntry>	extractStepMetadataEntries()
org.pentaho.di.core.KettleAttributeInterface	findAttribute(String key)
org.pentaho.di.core.KettleAttributeInterface	findParent(List<org.pentaho.di.core.KettleAttributeInterface> attributes, String parentId)
protected StepInjectionMetaEntry	findParentEntry(List<StepInjectionMetaEntry> entries, String key) Find parent entry.
String	getActiveReferencedObjectDescription()
String	getDescription(String attributeKey)
String	getDialogClassName() 已过时。 As of release 8.1, use annotated-based dialog instead PluginDialog
void	getFields(org.pentaho.di.core.row.RowMetaInterface inputRowMeta, String name, org.pentaho.di.core.row.RowMetaInterface[] info, StepMeta nextStep, org.pentaho.di.core.variables.VariableSpace space) 已过时。 use getFields(RowMetaInterface, String, RowMetaInterface[], StepMeta, VariableSpace, Repository, IMetaStore)
void	getFields(org.pentaho.di.core.row.RowMetaInterface inputRowMeta, String name, 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.
org.pentaho.di.core.logging.LogChannelInterface	getLog() Gets the log.
String	getLogChannelId() Gets the log channel id.
String	getName() Gets the name.
String	getObjectCopy() Gets the object copy.
org.pentaho.di.repository.ObjectId	getObjectId() Gets the object id.
org.pentaho.di.repository.ObjectRevision	getObjectRevision() Gets the object revision.
org.pentaho.di.core.logging.LoggingObjectType	getObjectType() Gets the object type.
List<StreamInterface>	getOptionalStreams()
org.pentaho.di.core.logging.LoggingObjectInterface	getParent() Gets the parent.
StepMeta	getParentStepMeta() Gets the parent step meta.
String[]	getReferencedObjectDescriptions()
String	getRepCode(String attributeKey)
org.pentaho.di.repository.RepositoryDirectory	getRepositoryDirectory() Gets the repository directory.
org.pentaho.di.core.row.RowMetaInterface	getRequiredFields() 已过时。 use getRequiredFields(VariableSpace)
org.pentaho.di.core.row.RowMetaInterface	getRequiredFields(org.pentaho.di.core.variables.VariableSpace space) The natural way of data flow in a transformation is source-to-target.
List<ResourceReference>	getResourceDependencies(TransMeta transMeta, StepMeta stepInfo) Get a list of all the resource dependencies that the step is depending on.
org.pentaho.di.core.SQLStatement	getSQLStatements(TransMeta transMeta, StepMeta stepMeta, org.pentaho.di.core.row.RowMetaInterface prev) 已过时。 use getSQLStatements(TransMeta, StepMeta, RowMetaInterface, Repository, IMetaStore)
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.
List<StepInjectionMetaEntry>	getStepInjectionMetadataEntries(Class<?> PKG) Describe the metadata attributes that can be injected into this step metadata object.
StepIOMetaInterface	getStepIOMeta()
StepIOMetaInterface	getStepIOMeta(boolean createIfAbsent) Returns the Input/Output metadata for this step.
StepMetaInjectionInterface	getStepMetaInjectionInterface() 已过时。 Use annotation-based injection instead
TransMeta.TransformationType[]	getSupportedTransformationTypes()
org.pentaho.di.core.row.RowMetaInterface	getTableFields() Gets the table fields.
String	getTooltip(String attributeKey)
Map<String,String>	getUsedArguments() Default a step doesn't use any arguments.
org.pentaho.di.core.database.DatabaseMeta[]	getUsedDatabaseConnections() This method returns all the database connections that are used by the step.
String[]	getUsedLibraries()
String	getXML() Produces the XML string that describes this step's information.
String	getXmlCode(String attributeKey)
void	handleStreamSelection(StreamInterface stream) When an optional stream is selected, this method is called to handled the ETL metadata implications of that.
boolean	hasChanged() Checks for changed.
boolean	hasRepositoryReferences()
boolean	isBasic() Checks if is basic.
boolean	isDebug() Checks if is debug.
boolean	isDetailed() Checks if is detailed.
boolean[]	isReferencedObjectEnabled()
boolean	isRowLevel() Checks if is row level.
Object	loadReferencedObject(int index, Repository rep, org.pentaho.metastore.api.IMetaStore metaStore, org.pentaho.di.core.variables.VariableSpace space)
Object	loadReferencedObject(int index, Repository rep, org.pentaho.di.core.variables.VariableSpace space) 已过时。 use loadReferencedObject(int, Repository, IMetaStore, VariableSpace)
protected void	loadStepAttributes() Load step attributes.
void	loadXML(Node stepnode, List<org.pentaho.di.core.database.DatabaseMeta> databases) 已过时。 use loadXML(Node, List, IMetaStore)
void	loadXML(Node stepnode, List<org.pentaho.di.core.database.DatabaseMeta> databases, org.pentaho.metastore.api.IMetaStore metaStore)
void	loadXML(Node stepnode, List<org.pentaho.di.core.database.DatabaseMeta> databases, Map<String,org.pentaho.di.core.Counter> counters) 已过时。 use loadXML(Node, List, IMetaStore)
void	logBasic(String message) Log basic.
void	logBasic(String message, Object... arguments) Log basic.
void	logDebug(String message) Log debug.
void	logDebug(String message, Object... arguments) Log debug.
void	logDetailed(String message) Log detailed.
void	logDetailed(String message, Object... arguments) Log detailed.
void	logError(String message) Log error.
void	logError(String message, Object... arguments) Log error.
void	logError(String message, Throwable e) Log error.
void	logMinimal(String message) Log minimal.
void	logMinimal(String message, Object... arguments) Log minimal.
void	logRowlevel(String message) Log rowlevel.
void	logRowlevel(String message, Object... arguments) Log rowlevel.
void	lookupRepositoryReferences(Repository repository) Look up the references after import
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)
void	readRep(Repository rep, org.pentaho.di.repository.ObjectId idStep, List<org.pentaho.di.core.database.DatabaseMeta> databases) 已过时。
void	readRep(Repository rep, org.pentaho.di.repository.ObjectId id_step, List<org.pentaho.di.core.database.DatabaseMeta> databases, Map<String,org.pentaho.di.core.Counter> counters) 已过时。
void	resetStepIoMeta() Reset step io meta.
void	saveRep(Repository rep, org.pentaho.metastore.api.IMetaStore metaStore, org.pentaho.di.repository.ObjectId id_transformation, org.pentaho.di.repository.ObjectId id_step)
void	saveRep(Repository rep, org.pentaho.di.repository.ObjectId id_transformation, org.pentaho.di.repository.ObjectId id_step) 已过时。 use {@link #saveRep(Repository, IMetaStore, ObjectId, ObjectId)
void	searchInfoAndTargetSteps(List<StepMeta> steps) Change step names into step objects to allow them to be name-changed etc.
void	setChanged() Sets the changed.
void	setChanged(boolean ch) Sets the changed.
void	setParentStepMeta(StepMeta parentStepMeta) Sets the parent step meta.
void	setStepIOMeta(StepIOMetaInterface value) Sets the Input/Output metadata for this step.
boolean	supportsErrorHandling()

从类继承的方法 java.lang.Object

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

字段详细资料

loggingObject

public static final org.pentaho.di.core.logging.LoggingObjectInterface loggingObject

STEP_ATTRIBUTES_FILE

public static final String STEP_ATTRIBUTES_FILE

另请参阅:

常量字段值

databases

protected org.pentaho.di.core.database.Database[] databases

database connection object to use for searching fields & checking steps

repository

protected Repository repository

The repository that is being used for this step

parentStepMeta

protected StepMeta parentStepMeta

log

protected org.pentaho.di.core.logging.LogChannelInterface log

attributes

protected ArrayList<org.pentaho.di.core.KettleAttributeInterface> attributes

构造器详细资料

BaseStepMeta

public BaseStepMeta()

Instantiates a new base step meta.

方法详细资料

clone

public Object clone()

覆盖:

clone 在类中 Object

setChanged

public void setChanged(boolean ch)

Sets the changed.

参数:

ch - the new changed

setChanged

public void setChanged()

Sets the changed.

hasChanged

public boolean hasChanged()

Checks for changed.

返回:

true, if successful

getTableFields

public org.pentaho.di.core.row.RowMetaInterface getTableFields()

Gets the table fields.

返回:

the table fields

getXML

public String getXML()
              throws org.pentaho.di.core.exception.KettleException

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

返回:

String containing the XML describing this step.

抛出:

org.pentaho.di.core.exception.KettleException - in case there is an XML conversion or encoding error

getFields

@Deprecated
public void getFields(org.pentaho.di.core.row.RowMetaInterface inputRowMeta,
                                   String name,
                                   org.pentaho.di.core.row.RowMetaInterface[] info,
                                   StepMeta nextStep,
                                   org.pentaho.di.core.variables.VariableSpace space)
                            throws org.pentaho.di.core.exception.KettleStepException

已过时。 use getFields(RowMetaInterface, String, RowMetaInterface[], StepMeta, VariableSpace, Repository, IMetaStore)

Gets the fields.

参数:

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

name - 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

抛出:

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

getFields

public void getFields(org.pentaho.di.core.row.RowMetaInterface inputRowMeta,
                      String name,
                      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

Gets the fields.

参数:

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

name - 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

analyseImpact

@Deprecated
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)
                                throws org.pentaho.di.core.exception.KettleStepException

已过时。 use analyseImpact(List, TransMeta, StepMeta, RowMetaInterface, String[], String[], RowMetaInterface, Repository, IMetaStore)

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

参数:

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

抛出:

org.pentaho.di.core.exception.KettleStepException

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)
                   throws org.pentaho.di.core.exception.KettleStepException

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

参数:

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

抛出:

org.pentaho.di.core.exception.KettleStepException

getSQLStatements

@Deprecated
public org.pentaho.di.core.SQLStatement getSQLStatements(TransMeta transMeta,
                                                                      StepMeta stepMeta,
                                                                      org.pentaho.di.core.row.RowMetaInterface prev)
                                                               throws org.pentaho.di.core.exception.KettleStepException

已过时。 use getSQLStatements(TransMeta, StepMeta, RowMetaInterface, Repository, IMetaStore)

Standard method to return one or more SQLStatement objects 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.

参数:

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)

返回:

The SQL Statements for this step or null if an error occurred. If nothing has to be done, the SQLStatement.getSQL() == null.

抛出:

org.pentaho.di.core.exception.KettleStepException

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)
                                                  throws org.pentaho.di.core.exception.KettleStepException

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.

参数:

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

返回:

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

抛出:

org.pentaho.di.core.exception.KettleStepException

cancelQueries

public void cancelQueries()
                   throws org.pentaho.di.core.exception.KettleDatabaseException

Call this to cancel trailing database queries (too long running, etc)

抛出:

org.pentaho.di.core.exception.KettleDatabaseException

getUsedArguments

public Map<String,String> getUsedArguments()

Default a step doesn't use any arguments. Implement this to notify the GUI that a window has to be displayed BEFORE launching a transformation.

返回:

A row of argument values. (name and optionally a default value)

getRequiredFields

@Deprecated
public org.pentaho.di.core.row.RowMetaInterface getRequiredFields()
                                                                        throws org.pentaho.di.core.exception.KettleException

已过时。 use getRequiredFields(VariableSpace)

The natural way of data flow in a transformation is source-to-target. However, this makes mapping to target tables difficult to do. To help out here, we supply information to the transformation meta-data model about which fields are required for a step. This allows us to automate certain tasks like the mapping to pre-defined tables. The Table Output step in this case will output the fields in the target table using this method.

This default implementation returns an empty row meaning that no fields are required for this step to operate.

返回:

the required fields for this steps meta data.

抛出:

org.pentaho.di.core.exception.KettleException - in case the required fields can't be determined

getRequiredFields

public org.pentaho.di.core.row.RowMetaInterface getRequiredFields(org.pentaho.di.core.variables.VariableSpace space)
                                                           throws org.pentaho.di.core.exception.KettleException

The natural way of data flow in a transformation is source-to-target. However, this makes mapping to target tables difficult to do. To help out here, we supply information to the transformation meta-data model about which fields are required for a step. This allows us to automate certain tasks like the mapping to pre-defined tables. The Table Output step in this case will output the fields in the target table using this method.

This default implementation returns an empty row meaning that no fields are required for this step to operate.

参数:

space - the variable space to use to do variable substitution.

返回:

the required fields for this steps meta data.

抛出:

org.pentaho.di.core.exception.KettleException - in case the required fields can't be determined

getUsedDatabaseConnections

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

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

返回:

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

getUsedLibraries

public String[] getUsedLibraries()

返回:

the libraries that this step or plug-in uses.

supportsErrorHandling

public boolean supportsErrorHandling()

返回:

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

excludeFromRowLayoutVerification

public boolean excludeFromRowLayoutVerification()

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

从以下版本开始:

2.5.0

excludeFromCopyDistributeVerification

public boolean excludeFromCopyDistributeVerification()

This method is added to exclude certain steps from copy/distribute checking.

从以下版本开始:

4.0.0

getResourceDependencies

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

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

返回:

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

exportResources

@Deprecated
public String exportResources(org.pentaho.di.core.variables.VariableSpace space,
                                           Map<String,ResourceDefinition> definitions,
                                           ResourceNamingInterface resourceNamingInterface,
                                           Repository repository)
                                    throws org.pentaho.di.core.exception.KettleException

已过时。 use exportResources(VariableSpace, Map, ResourceNamingInterface, Repository, IMetaStore)

Export resources.

参数:

space - the space

definitions - the definitions

resourceNamingInterface - the resource naming interface

repository - the repository

返回:

the string

抛出:

org.pentaho.di.core.exception.KettleException - the kettle exception

exportResources

public String exportResources(org.pentaho.di.core.variables.VariableSpace space,
                              Map<String,ResourceDefinition> definitions,
                              ResourceNamingInterface resourceNamingInterface,
                              Repository repository,
                              org.pentaho.metastore.api.IMetaStore metaStore)
                       throws org.pentaho.di.core.exception.KettleException

抛出:

org.pentaho.di.core.exception.KettleException

getDialogClassName

@Deprecated
public String getDialogClassName()

已过时。 As of release 8.1, use annotated-based dialog instead PluginDialog

This returns the expected name for the dialog that edits a job entry. The expected name is in the org.pentaho.di.ui tree and has a class name that is the name of the job entry with 'Dialog' added to the end.

e.g. if the job entry is org.pentaho.di.job.entries.zipfile.JobEntryZipFile the dialog would be org.pentaho.di.ui.job.entries.zipfile.JobEntryZipFileDialog

If the dialog class for a job entry does not match this pattern it should override this method and return the appropriate class name

返回:

full class name of the dialog

getParentStepMeta

public StepMeta getParentStepMeta()

Gets the parent step meta.

返回:

the parent step meta

setParentStepMeta

public void setParentStepMeta(StepMeta parentStepMeta)

Sets the parent step meta.

参数:

parentStepMeta - the new parent step meta

getLog

public org.pentaho.di.core.logging.LogChannelInterface getLog()

Gets the log.

返回:

the log

isBasic

public boolean isBasic()

Checks if is basic.

返回:

true, if is basic

isDetailed

public boolean isDetailed()

Checks if is detailed.

返回:

true, if is detailed

isDebug

public boolean isDebug()

Checks if is debug.

返回:

true, if is debug

isRowLevel

public boolean isRowLevel()

Checks if is row level.

返回:

true, if is row level

logMinimal

public void logMinimal(String message)

Log minimal.

参数:

message - the message

logMinimal

public void logMinimal(String message,
                       Object... arguments)

Log minimal.

参数:

message - the message

arguments - the arguments

logBasic

public void logBasic(String message)

Log basic.

参数:

message - the message

logBasic

public void logBasic(String message,
                     Object... arguments)

Log basic.

参数:

message - the message

arguments - the arguments

logDetailed

public void logDetailed(String message)

Log detailed.

参数:

message - the message

logDetailed

public void logDetailed(String message,
                        Object... arguments)

Log detailed.

参数:

message - the message

arguments - the arguments

logDebug

public void logDebug(String message)

Log debug.

参数:

message - the message

logDebug

public void logDebug(String message,
                     Object... arguments)

Log debug.

参数:

message - the message

arguments - the arguments

logRowlevel

public void logRowlevel(String message)

Log rowlevel.

参数:

message - the message

logRowlevel

public void logRowlevel(String message,
                        Object... arguments)

Log rowlevel.

参数:

message - the message

arguments - the arguments

logError

public void logError(String message)

Log error.

参数:

message - the message

logError

public void logError(String message,
                     Throwable e)

Log error.

参数:

message - the message

e - the e

logError

public void logError(String message,
                     Object... arguments)

Log error.

参数:

message - the message

arguments - the arguments

getLogChannelId

public String getLogChannelId()

Gets the log channel id.

返回:

the log channel id

getName

public String getName()

Gets the name.

返回:

the name

getObjectCopy

public String getObjectCopy()

Gets the object copy.

返回:

the object copy

getObjectId

public org.pentaho.di.repository.ObjectId getObjectId()

Gets the object id.

返回:

the object id

getObjectRevision

public org.pentaho.di.repository.ObjectRevision getObjectRevision()

Gets the object revision.

返回:

the object revision

getObjectType

public org.pentaho.di.core.logging.LoggingObjectType getObjectType()

Gets the object type.

返回:

the object type

getParent

public org.pentaho.di.core.logging.LoggingObjectInterface getParent()

Gets the parent.

返回:

the parent

getRepositoryDirectory

public org.pentaho.di.repository.RepositoryDirectory getRepositoryDirectory()

Gets the repository directory.

返回:

the repository directory

getStepIOMeta

public StepIOMetaInterface getStepIOMeta()

getStepIOMeta

public StepIOMetaInterface getStepIOMeta(boolean createIfAbsent)

Returns the Input/Output metadata for this step. By default, each step produces and accepts optional input.

setStepIOMeta

public void setStepIOMeta(StepIOMetaInterface value)

Sets the Input/Output metadata for this step. By default, each step produces and accepts optional input.

参数:

value - the StepIOMetaInterface to set for this step.

getOptionalStreams

public List<StreamInterface> getOptionalStreams()

返回:

The list of optional input streams. It allows the user to select from a list of possible actions like "New target step"

handleStreamSelection

public void handleStreamSelection(StreamInterface stream)

When an optional stream is selected, this method is called to handled the ETL metadata implications of that.

参数:

stream - The optional stream to handle.

resetStepIoMeta

public void resetStepIoMeta()

Reset step io meta.

searchInfoAndTargetSteps

public void searchInfoAndTargetSteps(List<StepMeta> steps)

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

参数:

steps - the steps to reference

getStepMetaInjectionInterface

@Deprecated
public StepMetaInjectionInterface getStepMetaInjectionInterface()

已过时。 Use annotation-based injection instead

返回:

Optional interface that allows an external program to inject step metadata in a standardized fasion. This method will return null if the interface is not available for this step.

extractStepMetadataEntries

public List<StepInjectionMetaEntry> extractStepMetadataEntries()
                                                        throws org.pentaho.di.core.exception.KettleException

返回:

The step metadata itself, not the metadata description. For lists it will have 0 entries in case there are no entries.

抛出:

org.pentaho.di.core.exception.KettleException

findParentEntry

protected StepInjectionMetaEntry findParentEntry(List<StepInjectionMetaEntry> entries,
                                                 String key)

Find parent entry.

参数:

entries - the entries

key - the key

返回:

the step injection meta entry

createEntry

protected StepInjectionMetaEntry createEntry(org.pentaho.di.core.KettleAttributeInterface attr,
                                             Class<?> PKG)

Creates the entry.

参数:

attr - the attr

PKG - the pkg

返回:

the step injection meta entry

getStepInjectionMetadataEntries

public List<StepInjectionMetaEntry> getStepInjectionMetadataEntries(Class<?> PKG)

Describe the metadata attributes that can be injected into this step metadata object.

loadStepAttributes

protected void loadStepAttributes()
                           throws org.pentaho.di.core.exception.KettleException

Load step attributes.

抛出:

org.pentaho.di.core.exception.KettleException - the kettle exception

findParent

public org.pentaho.di.core.KettleAttributeInterface findParent(List<org.pentaho.di.core.KettleAttributeInterface> attributes,
                                                               String parentId)

指定者:

findParent 在接口中 StepAttributesInterface

findAttribute

public org.pentaho.di.core.KettleAttributeInterface findAttribute(String key)

指定者:

findAttribute 在接口中 StepAttributesInterface

getXmlCode

public String getXmlCode(String attributeKey)

指定者:

getXmlCode 在接口中 StepAttributesInterface

getRepCode

public String getRepCode(String attributeKey)

指定者:

getRepCode 在接口中 StepAttributesInterface

getDescription

public String getDescription(String attributeKey)

指定者:

getDescription 在接口中 StepAttributesInterface

getTooltip

public String getTooltip(String attributeKey)

指定者:

getTooltip 在接口中 StepAttributesInterface

getSupportedTransformationTypes

public TransMeta.TransformationType[] getSupportedTransformationTypes()

返回:

The supported transformation types that this step supports.

hasRepositoryReferences

public boolean hasRepositoryReferences()

返回:

True if the job entry defines one or more references to a repository object.

lookupRepositoryReferences

public void lookupRepositoryReferences(Repository repository)
                                throws org.pentaho.di.core.exception.KettleException

Look up the references after import

参数:

repository - the repository to reference.

抛出:

org.pentaho.di.core.exception.KettleException

getReferencedObjectDescriptions

public String[] getReferencedObjectDescriptions()

返回:

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

isReferencedObjectEnabled

public boolean[] isReferencedObjectEnabled()

getActiveReferencedObjectDescription

public String getActiveReferencedObjectDescription()

返回:

A description of the active referenced object in a transformation. Null if nothing special needs to be done or if the active metadata isn't different from design.

loadReferencedObject

@Deprecated
public Object loadReferencedObject(int index,
                                                Repository rep,
                                                org.pentaho.di.core.variables.VariableSpace space)
                                         throws org.pentaho.di.core.exception.KettleException

已过时。 use loadReferencedObject(int, Repository, IMetaStore, VariableSpace)

Load the referenced object

参数:

index - the object index to load

rep - the repository

space - the variable space to use

返回:

the referenced object once loaded

抛出:

org.pentaho.di.core.exception.KettleException

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

抛出:

org.pentaho.di.core.exception.KettleException

readRep

@Deprecated
public void readRep(Repository rep,
                                 org.pentaho.di.repository.ObjectId idStep,
                                 List<org.pentaho.di.core.database.DatabaseMeta> databases)
                          throws org.pentaho.di.core.exception.KettleException

已过时。

抛出:

org.pentaho.di.core.exception.KettleException

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

抛出:

org.pentaho.di.core.exception.KettleException

readRep

@Deprecated
public void readRep(Repository rep,
                                 org.pentaho.di.repository.ObjectId id_step,
                                 List<org.pentaho.di.core.database.DatabaseMeta> databases,
                                 Map<String,org.pentaho.di.core.Counter> counters)
                          throws org.pentaho.di.core.exception.KettleException

已过时。

抛出:

org.pentaho.di.core.exception.KettleException

loadXML

@Deprecated
public void loadXML(Node stepnode,
                                 List<org.pentaho.di.core.database.DatabaseMeta> databases)
                          throws org.pentaho.di.core.exception.KettleXMLException

已过时。 use loadXML(Node, List, IMetaStore)

参数:

stepnode -

databases -

抛出:

org.pentaho.di.core.exception.KettleXMLException

loadXML

@Deprecated
public void loadXML(Node stepnode,
                                 List<org.pentaho.di.core.database.DatabaseMeta> databases,
                                 Map<String,org.pentaho.di.core.Counter> counters)
                          throws org.pentaho.di.core.exception.KettleXMLException

已过时。 use loadXML(Node, List, IMetaStore)

参数:

stepnode -

databases -

抛出:

org.pentaho.di.core.exception.KettleXMLException

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

抛出:

org.pentaho.di.core.exception.KettleXMLException

saveRep

@Deprecated
public void saveRep(Repository rep,
                                 org.pentaho.di.repository.ObjectId id_transformation,
                                 org.pentaho.di.repository.ObjectId id_step)
                          throws org.pentaho.di.core.exception.KettleException

已过时。 use {@link #saveRep(Repository, IMetaStore, ObjectId, ObjectId)

参数:

stepnode -

databases -

抛出:

org.pentaho.di.core.exception.KettleXMLException

org.pentaho.di.core.exception.KettleException

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

抛出:

org.pentaho.di.core.exception.KettleException

check

@Deprecated
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)

已过时。 use check(List, TransMeta, StepMeta, RowMetaInterface, String[], String[], RowMetaInterface, VariableSpace, Repository, IMetaStore)

参数:

remarks -

transMeta -

stepMeta -

prev -

input -

output -

info -

check

@Deprecated
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,
                               Repository repository,
                               org.pentaho.metastore.api.IMetaStore metaStore)

已过时。 use check(List, TransMeta, StepMeta, RowMetaInterface, String[], String[], RowMetaInterface, VariableSpace, Repository, IMetaStore)

参数:

remarks -

transMeta -

stepMeta -

prev -

input -

output -

info -

repository -

metaStore -

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)