org.apache.iotdb.db.engine.storagegroup

类 TsFileManager

java.lang.Object

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

public class TsFileManager
extends Object

构造器概要

构造器

构造器和说明
TsFileManager(String storageGroupName, String virtualStorageGroup, String storageGroupDir)

方法概要

限定符和类型	方法和说明
void	add(TsFileResource tsFileResource, boolean sequence)
void	addAll(List<TsFileResource> tsFileResourceList, boolean sequence)
void	addForRecover(TsFileResource tsFileResource, boolean sequence)
void	clear()
static int	compareFileName(File o1, File o2)
boolean	contains(TsFileResource tsFileResource, boolean sequence)
Iterator<TsFileResource>	getIterator(boolean sequence)
TsFileResourceList	getSequenceListByTimePartition(long timePartition)
List<TsFileResource>	getSequenceRecoverTsFileResources()
String	getStorageGroupDir()
String	getStorageGroupName()
Set<Long>	getTimePartitions()
List<TsFileResource>	getTsFileList(boolean sequence)
TsFileResourceList	getUnsequenceListByTimePartition(long timePartition)
List<TsFileResource>	getUnsequenceRecoverTsFileResources()
String	getVirtualStorageGroup()
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.
boolean	isAllowCompaction()
boolean	isEmpty(boolean sequence)
void	keepOrderInsert(TsFileResource tsFileResource, boolean sequence)
void	readLock()
void	readUnlock()
void	remove(TsFileResource tsFileResource, boolean sequence)
void	removeAll(List<TsFileResource> tsFileResourceList, boolean sequence)
void	replace(List<TsFileResource> seqFileResources, List<TsFileResource> unseqFileResources, List<TsFileResource> targetFileResources, long timePartition, boolean isTargetSequence) This method is called after compaction to update memory.
void	setAllowCompaction(boolean allowCompaction)
void	setStorageGroupDir(String storageGroupDir)
void	setVirtualStorageGroup(String virtualStorageGroup)
int	size(boolean sequence)
void	writeLock(String holder)
void	writeLockWithTimeout(String holder, long timeout) Acquire write lock with timeout, WriteLockFailedException will be thrown after timeout.
void	writeUnlock()

从类继承的方法 java.lang.Object

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

构造器详细资料

TsFileManager

public TsFileManager(String storageGroupName,
                     String virtualStorageGroup,
                     String storageGroupDir)

方法详细资料

getTsFileList

public List<TsFileResource> getTsFileList(boolean sequence)

getSequenceListByTimePartition

public TsFileResourceList getSequenceListByTimePartition(long timePartition)

getUnsequenceListByTimePartition

public TsFileResourceList getUnsequenceListByTimePartition(long timePartition)

getIterator

public Iterator<TsFileResource> getIterator(boolean sequence)

remove

public void remove(TsFileResource tsFileResource,
                   boolean sequence)

removeAll

public void removeAll(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 IOException

抛出:

IOException

addForRecover

public void addForRecover(TsFileResource tsFileResource,
                          boolean sequence)

addAll

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

replace

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

This method is called after compaction to update memory.

抛出:

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(String holder)

writeLockWithTimeout

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

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

抛出:

WriteLockFailedException

writeUnlock

public void writeUnlock()

getStorageGroupName

public String getStorageGroupName()

getStorageGroupDir

public String getStorageGroupDir()

setStorageGroupDir

public void setStorageGroupDir(String storageGroupDir)

getTimePartitions

public Set<Long> getTimePartitions()

isAllowCompaction

public boolean isAllowCompaction()

setAllowCompaction

public void setAllowCompaction(boolean allowCompaction)

getVirtualStorageGroup

public String getVirtualStorageGroup()

setVirtualStorageGroup

public void setVirtualStorageGroup(String virtualStorageGroup)

getSequenceRecoverTsFileResources

public List<TsFileResource> getSequenceRecoverTsFileResources()

getUnsequenceRecoverTsFileResources

public List<TsFileResource> getUnsequenceRecoverTsFileResources()

compareFileName

public static int compareFileName(File o1,
                                  File o2)