org.pentaho.di.trans.steps.memgroupby

类 MemoryGroupByData

java.lang.Object

org.pentaho.di.trans.step.BaseStepData

org.pentaho.di.trans.steps.memgroupby.MemoryGroupByData

所有已实现的接口:

StepDataInterface

public class MemoryGroupByData
extends BaseStepData
implements StepDataInterface

从以下版本开始:

24-jan-2005

作者:

Matt

嵌套类概要

嵌套类

限定符和类型	类和说明
class	MemoryGroupByData.HashEntry

从类继承的嵌套类/接口 org.pentaho.di.trans.step.BaseStepData

BaseStepData.StepExecutionStatus

字段概要

字段

限定符和类型	字段和说明
org.pentaho.di.core.row.RowMetaInterface	aggMeta
org.pentaho.di.core.row.RowMetaInterface	entryMeta
boolean	firstRead
org.pentaho.di.core.row.RowMetaInterface	groupAggMeta
org.pentaho.di.core.row.RowMetaInterface	groupMeta
int[]	groupnrs
Object[]	groupResult
boolean	hasOutput
org.pentaho.di.core.row.RowMetaInterface	inputRowMeta
HashMap<MemoryGroupByData.HashEntry,Aggregate>	map
boolean	newBatch
org.pentaho.di.core.row.RowMetaInterface	outputRowMeta
int[]	subjectnrs
org.pentaho.di.core.row.ValueMetaInterface	valueMetaInteger
org.pentaho.di.core.row.ValueMetaInterface	valueMetaNumber

构造器概要

构造器

构造器和说明
MemoryGroupByData()

方法概要

限定符和类型	方法和说明
void	clear() Method responsible for clearing out memory hogs
MemoryGroupByData.HashEntry	getHashEntry(Object[] groupData)

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

getStatus, isDisposed, isEmpty, isFinished, isIdle, isInitialising, isRunning, isStopped, setStatus

从类继承的方法 java.lang.Object

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

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

getStatus, isDisposed, isEmpty, isFinished, isIdle, isInitialising, isRunning, setStatus

字段详细资料

map

public HashMap<MemoryGroupByData.HashEntry,Aggregate> map

aggMeta

public org.pentaho.di.core.row.RowMetaInterface aggMeta

groupMeta

public org.pentaho.di.core.row.RowMetaInterface groupMeta

entryMeta

public org.pentaho.di.core.row.RowMetaInterface entryMeta

groupAggMeta

public org.pentaho.di.core.row.RowMetaInterface groupAggMeta

groupnrs

public int[] groupnrs

subjectnrs

public int[] subjectnrs

firstRead

public boolean firstRead

groupResult

public Object[] groupResult

hasOutput

public boolean hasOutput

inputRowMeta

public org.pentaho.di.core.row.RowMetaInterface inputRowMeta

outputRowMeta

public org.pentaho.di.core.row.RowMetaInterface outputRowMeta

valueMetaInteger

public org.pentaho.di.core.row.ValueMetaInterface valueMetaInteger

valueMetaNumber

public org.pentaho.di.core.row.ValueMetaInterface valueMetaNumber

newBatch

public boolean newBatch

构造器详细资料

MemoryGroupByData

public MemoryGroupByData()

方法详细资料

getHashEntry

public MemoryGroupByData.HashEntry getHashEntry(Object[] groupData)

clear

public void clear()

Method responsible for clearing out memory hogs