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

Class InnerSpaceCompactionTask

java.lang.Object

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

org.apache.iotdb.db.engine.compaction.inner.InnerSpaceCompactionTask

public class InnerSpaceCompactionTask
extends AbstractCompactionTask

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean[]	isHoldingReadLock
protected boolean[]	isHoldingWriteLock
protected int	maxCompactionCount
protected long	maxFileVersion
protected long	selectedFileSize
protected java.util.List<TsFileResource>	selectedTsFileResourceList
protected boolean	sequence
protected int	sumOfCompactionCount
protected java.util.List<TsFileResource>	targetTsFileList
protected TsFileResource	targetTsFileResource
protected TsFileResourceList	tsFileResourceList

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
InnerSpaceCompactionTask(long timePartition, TsFileManager tsFileManager, java.util.List<TsFileResource> selectedTsFileResourceList, boolean sequence, ICompactionPerformer performer, java.util.concurrent.atomic.AtomicInteger currentTaskNum, 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)
long	getMaxFileVersion()
long	getSelectedFileSize()
java.util.List<TsFileResource>	getSelectedTsFileResourceList()
int	getSumOfCompactionCount()
int	hashCode()
boolean	isSequence()
protected void	releaseFileLocksAndResetMergingStatus()	release the read lock and write lock of files if it is held, and set the merging status of selected files to false
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

selectedTsFileResourceList

protected java.util.List<TsFileResource> selectedTsFileResourceList

targetTsFileResource

protected TsFileResource targetTsFileResource

sequence

protected boolean sequence

selectedFileSize

protected long selectedFileSize

sumOfCompactionCount

protected int sumOfCompactionCount

maxFileVersion

protected long maxFileVersion

maxCompactionCount

protected int maxCompactionCount

tsFileResourceList

protected TsFileResourceList tsFileResourceList

targetTsFileList

protected java.util.List<TsFileResource> targetTsFileList

isHoldingReadLock

protected boolean[] isHoldingReadLock

isHoldingWriteLock

protected boolean[] isHoldingWriteLock

Constructor Detail

InnerSpaceCompactionTask

public InnerSpaceCompactionTask(long timePartition,
                                TsFileManager tsFileManager,
                                java.util.List<TsFileResource> selectedTsFileResourceList,
                                boolean sequence,
                                ICompactionPerformer performer,
                                java.util.concurrent.atomic.AtomicInteger currentTaskNum,
                                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

setSourceFilesToCompactionCandidate

public void setSourceFilesToCompactionCandidate()

Specified by:

setSourceFilesToCompactionCandidate in class AbstractCompactionTask

getSelectedTsFileResourceList

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

isSequence

public boolean isSequence()

getSelectedFileSize

public long getSelectedFileSize()

getSumOfCompactionCount

public int getSumOfCompactionCount()

getMaxFileVersion

public long getMaxFileVersion()

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

releaseFileLocksAndResetMergingStatus

protected void releaseFileLocksAndResetMergingStatus()

release the read lock and write lock of files if it is held, and set the merging status of selected files to false

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