Package org.apache.iotdb.db.engine.storagegroup

Class TsFileManager

java.lang.Object

org.apache.iotdb.db.engine.storagegroup.TsFileManager

public class TsFileManager
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
TsFileManager(java.lang.String storageGroupName, java.lang.String dataRegionId, java.lang.String storageGroupDir)

Method Summary

Modifier and Type	Method	Description
void	add(TsFileResource tsFileResource, boolean sequence)
void	addAll(java.util.List<TsFileResource> tsFileResourceList, boolean sequence)
void	addForRecover(TsFileResource tsFileResource, boolean sequence)
void	clear()
java.util.List<java.io.File>	collectHistoryTsFileForSync(ISyncManager syncManager, long dataStartTime)
static int	compareFileName(java.io.File o1, java.io.File o2)
boolean	contains(TsFileResource tsFileResource, boolean sequence)
java.lang.String	getDataRegionId()
java.util.Iterator<TsFileResource>	getIterator(boolean sequence)
long	getNextCompactionTaskId()
TsFileResourceList	getSequenceListByTimePartition(long timePartition)
java.util.List<TsFileResource>	getSequenceRecoverTsFileResources()
java.lang.String	getStorageGroupDir()
java.lang.String	getStorageGroupName()
java.util.Set<java.lang.Long>	getTimePartitions()
java.util.List<TsFileResource>	getTsFileList(boolean sequence)
TsFileResourceList	getUnsequenceListByTimePartition(long timePartition)
java.util.List<TsFileResource>	getUnsequenceRecoverTsFileResources()
boolean	hasNextTimePartition(long timePartition, boolean sequence)
void	insertToPartitionFileList(TsFileResource tsFileResource, boolean sequence, int insertPos)	insert tsFileResource to a target pos(targetPos = insertPos) e.g.
boolean	isAllowCompaction()
boolean	isEmpty(boolean sequence)
void	keepOrderInsert(TsFileResource tsFileResource, boolean sequence)
void	readLock()
void	readUnlock()
void	remove(TsFileResource tsFileResource, boolean sequence)
void	removeAll(java.util.List<TsFileResource> tsFileResourceList, boolean sequence)
void	replace(java.util.List<TsFileResource> seqFileResources, java.util.List<TsFileResource> unseqFileResources, java.util.List<TsFileResource> targetFileResources, long timePartition, boolean isTargetSequence)	This method is called after compaction to update memory.
void	setAllowCompaction(boolean allowCompaction)
void	setDataRegionId(java.lang.String dataRegionId)
void	setStorageGroupDir(java.lang.String storageGroupDir)
int	size(boolean sequence)
void	writeLock(java.lang.String holder)
void	writeLockWithTimeout(java.lang.String holder, long timeout)	Acquire write lock with timeout, WriteLockFailedException will be thrown after timeout.
void	writeUnlock()

Methods inherited from class java.lang.Object

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

Constructor Detail

TsFileManager

public TsFileManager(java.lang.String storageGroupName,
                     java.lang.String dataRegionId,
                     java.lang.String storageGroupDir)

Method Detail

getTsFileList

public java.util.List<TsFileResource> getTsFileList(boolean sequence)

getSequenceListByTimePartition

public TsFileResourceList getSequenceListByTimePartition(long timePartition)

getUnsequenceListByTimePartition

public TsFileResourceList getUnsequenceListByTimePartition(long timePartition)

getIterator

public java.util.Iterator<TsFileResource> getIterator(boolean sequence)

remove

public void remove(TsFileResource tsFileResource,
                   boolean sequence)

removeAll

public void removeAll(java.util.List<TsFileResource> tsFileResourceList,
                      boolean sequence)

insertToPartitionFileList

public void insertToPartitionFileList(TsFileResource tsFileResource,
                                      boolean sequence,
                                      int insertPos)

insert tsFileResource to a target pos(targetPos = insertPos) e.g. if insertPos = 0, then to the first, if insert Pos = 1, then to the second.

add

public void add(TsFileResource tsFileResource,
                boolean sequence)

keepOrderInsert

public void keepOrderInsert(TsFileResource tsFileResource,
                            boolean sequence)
                     throws java.io.IOException

Throws:

java.io.IOException

addForRecover

public void addForRecover(TsFileResource tsFileResource,
                          boolean sequence)

addAll

public void addAll(java.util.List<TsFileResource> tsFileResourceList,
                   boolean sequence)

replace

public void replace(java.util.List<TsFileResource> seqFileResources,
                    java.util.List<TsFileResource> unseqFileResources,
                    java.util.List<TsFileResource> targetFileResources,
                    long timePartition,
                    boolean isTargetSequence)
             throws java.io.IOException

This method is called after compaction to update memory.

Throws:

java.io.IOException

contains

public boolean contains(TsFileResource tsFileResource,
                        boolean sequence)

clear

public void clear()

isEmpty

public boolean isEmpty(boolean sequence)

size

public int size(boolean sequence)

readLock

public void readLock()

readUnlock

public void readUnlock()

writeLock

public void writeLock(java.lang.String holder)

writeLockWithTimeout

public void writeLockWithTimeout(java.lang.String holder,
                                 long timeout)
                          throws WriteLockFailedException

Acquire write lock with timeout, WriteLockFailedException will be thrown after timeout. The unit of timeout is ms.

Throws:

WriteLockFailedException

writeUnlock

public void writeUnlock()

getStorageGroupName

public java.lang.String getStorageGroupName()

getStorageGroupDir

public java.lang.String getStorageGroupDir()

setStorageGroupDir

public void setStorageGroupDir(java.lang.String storageGroupDir)

getTimePartitions

public java.util.Set<java.lang.Long> getTimePartitions()

isAllowCompaction

public boolean isAllowCompaction()

setAllowCompaction

public void setAllowCompaction(boolean allowCompaction)

getDataRegionId

public java.lang.String getDataRegionId()

setDataRegionId

public void setDataRegionId(java.lang.String dataRegionId)

getSequenceRecoverTsFileResources

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

getUnsequenceRecoverTsFileResources

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

collectHistoryTsFileForSync

public java.util.List<java.io.File> collectHistoryTsFileForSync(ISyncManager syncManager,
                                                                long dataStartTime)

compareFileName

public static int compareFileName(java.io.File o1,
                                  java.io.File o2)

getNextCompactionTaskId

public long getNextCompactionTaskId()

hasNextTimePartition

public boolean hasNextTimePartition(long timePartition,
                                    boolean sequence)