Package org.apache.iotdb.db.engine.compaction.cross

Class CrossSpaceCompactionTask

java.lang.Object

org.apache.iotdb.db.engine.compaction.task.AbstractCompactionTask

org.apache.iotdb.db.engine.compaction.cross.CrossSpaceCompactionTask

public class CrossSpaceCompactionTask
extends AbstractCompactionTask

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.List<TsFileResource>	holdReadLockList
protected java.util.List<TsFileResource>	holdWriteLockList
protected long	memoryCost
protected long	selectedFileSize
protected java.util.List<TsFileResource>	selectedSequenceFiles
protected java.util.List<TsFileResource>	selectedUnsequenceFiles
protected TsFileResourceList	seqTsFileResourceList
protected java.util.List<TsFileResource>	targetTsfileResourceList
protected TsFileResourceList	unseqTsFileResourceList

Fields inherited from class org.apache.iotdb.db.engine.compaction.task.AbstractCompactionTask

currentTaskNum, dataRegionId, hashCode, performer, serialId, storageGroupName, summary, timePartition, tsFileManager

Constructor Summary

Constructors

Constructor	Description
CrossSpaceCompactionTask(long timePartition, TsFileManager tsFileManager, java.util.List<TsFileResource> selectedSequenceFiles, java.util.List<TsFileResource> selectedUnsequenceFiles, ICrossCompactionPerformer performer, java.util.concurrent.atomic.AtomicInteger currentTaskNum, long memoryCost, long serialId)

Method Summary

Modifier and Type	Method	Description
boolean	checkValidAndSetMerging()	Check if the compaction task is valid (selected files are not merging, closed and exist).
protected void	doCompaction()
boolean	equals(java.lang.Object other)
boolean	equalsOtherTask(AbstractCompactionTask otherTask)
java.util.List<TsFileResource>	getSelectedSequenceFiles()
java.util.List<TsFileResource>	getSelectedUnsequenceFiles()
int	hashCode()
void	resetCompactionCandidateStatusForAllSourceFiles()
void	setSourceFilesToCompactionCandidate()
java.lang.String	toString()

Methods inherited from class org.apache.iotdb.db.engine.compaction.task.AbstractCompactionTask

cancel, checkInterrupted, getDataRegionId, getSerialId, getStorageGroupName, getSummary, getTimeCost, getTimePartition, isSuccess, isTaskFinished, isTaskRan, start

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

selectedSequenceFiles

protected java.util.List<TsFileResource> selectedSequenceFiles

selectedUnsequenceFiles

protected java.util.List<TsFileResource> selectedUnsequenceFiles

seqTsFileResourceList

protected TsFileResourceList seqTsFileResourceList

unseqTsFileResourceList

protected TsFileResourceList unseqTsFileResourceList

targetTsfileResourceList

protected java.util.List<TsFileResource> targetTsfileResourceList

holdReadLockList

protected java.util.List<TsFileResource> holdReadLockList

holdWriteLockList

protected java.util.List<TsFileResource> holdWriteLockList

selectedFileSize

protected long selectedFileSize

memoryCost

protected long memoryCost

Constructor Detail

CrossSpaceCompactionTask

public CrossSpaceCompactionTask(long timePartition,
                                TsFileManager tsFileManager,
                                java.util.List<TsFileResource> selectedSequenceFiles,
                                java.util.List<TsFileResource> selectedUnsequenceFiles,
                                ICrossCompactionPerformer performer,
                                java.util.concurrent.atomic.AtomicInteger currentTaskNum,
                                long memoryCost,
                                long serialId)

Method Detail

doCompaction

protected void doCompaction()

Specified by:

doCompaction in class AbstractCompactionTask

equalsOtherTask

public boolean equalsOtherTask(AbstractCompactionTask otherTask)

Specified by:

equalsOtherTask in class AbstractCompactionTask

getSelectedSequenceFiles

public java.util.List<TsFileResource> getSelectedSequenceFiles()

setSourceFilesToCompactionCandidate

public void setSourceFilesToCompactionCandidate()

Specified by:

setSourceFilesToCompactionCandidate in class AbstractCompactionTask

getSelectedUnsequenceFiles

public java.util.List<TsFileResource> getSelectedUnsequenceFiles()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object other)

Overrides:

equals in class AbstractCompactionTask

resetCompactionCandidateStatusForAllSourceFiles

public void resetCompactionCandidateStatusForAllSourceFiles()

Specified by:

resetCompactionCandidateStatusForAllSourceFiles in class AbstractCompactionTask

checkValidAndSetMerging

public boolean checkValidAndSetMerging()

Description copied from class: AbstractCompactionTask

Check if the compaction task is valid (selected files are not merging, closed and exist). If the task is valid, then set the merging status of selected files to true.

Specified by:

checkValidAndSetMerging in class AbstractCompactionTask

Returns:

true if the task is valid else false