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

Class TsFileNameGenerator

java.lang.Object

org.apache.iotdb.db.engine.storagegroup.TsFileNameGenerator

public class TsFileNameGenerator
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TsFileNameGenerator.TsFileName

Constructor Summary

Constructors

Constructor	Description
TsFileNameGenerator()

Method Summary

Modifier and Type	Method	Description
static java.lang.String	generateNewTsFileName(long time, long version, int innerSpaceCompactionCount, int crossSpaceCompactionCount)
static java.lang.String	generateNewTsFilePath(java.lang.String tsFileDir, long time, long version, int innerSpaceCompactionCount, int crossSpaceCompactionCount)
static java.lang.String	generateNewTsFilePathWithMkdir(boolean sequence, java.lang.String logicalStorageGroup, java.lang.String virtualStorageGroup, long timePartitionId, long time, long version, int innerSpaceCompactionCount, int crossSpaceCompactionCount)
static java.lang.String	generateTsFileDir(boolean sequence, java.lang.String logicalStorageGroup, java.lang.String virtualStorageGroup, long timePartitionId)
static java.util.List<TsFileResource>	getCrossCompactionTargetFileResources(java.util.List<TsFileResource> seqResources)	Create tmp target file for cross space compaction, in which each sequence source file has its own tmp target file.
static TsFileResource	getInnerCompactionTargetFileResource(java.util.List<TsFileResource> tsFileResources, boolean sequence)	Create tmp target file for inner space compaction, in which all source files has only one tmp target file.
static TsFileNameGenerator.TsFileName	getTsFileName(java.lang.String fileName)
static java.io.File	increaseCrossCompactionCnt(java.io.File tsFile)
static TsFileResource	increaseCrossCompactionCnt(TsFileResource tsFileResource)
static TsFileResource	increaseInnerCompactionCnt(TsFileResource tsFileResource)

Methods inherited from class java.lang.Object

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

Constructor Detail

TsFileNameGenerator

public TsFileNameGenerator()

Method Detail

generateNewTsFilePath

public static java.lang.String generateNewTsFilePath(java.lang.String tsFileDir,
                                                     long time,
                                                     long version,
                                                     int innerSpaceCompactionCount,
                                                     int crossSpaceCompactionCount)

generateNewTsFilePathWithMkdir

public static java.lang.String generateNewTsFilePathWithMkdir(boolean sequence,
                                                              java.lang.String logicalStorageGroup,
                                                              java.lang.String virtualStorageGroup,
                                                              long timePartitionId,
                                                              long time,
                                                              long version,
                                                              int innerSpaceCompactionCount,
                                                              int crossSpaceCompactionCount)
                                                       throws DiskSpaceInsufficientException

Throws:

DiskSpaceInsufficientException

generateTsFileDir

public static java.lang.String generateTsFileDir(boolean sequence,
                                                 java.lang.String logicalStorageGroup,
                                                 java.lang.String virtualStorageGroup,
                                                 long timePartitionId)
                                          throws DiskSpaceInsufficientException

Throws:

DiskSpaceInsufficientException

generateNewTsFileName

public static java.lang.String generateNewTsFileName(long time,
                                                     long version,
                                                     int innerSpaceCompactionCount,
                                                     int crossSpaceCompactionCount)

getTsFileName

public static TsFileNameGenerator.TsFileName getTsFileName(java.lang.String fileName)
                                                    throws java.io.IOException

Throws:

java.io.IOException

increaseCrossCompactionCnt

public static TsFileResource increaseCrossCompactionCnt(TsFileResource tsFileResource)
                                                 throws java.io.IOException

Throws:

java.io.IOException

increaseInnerCompactionCnt

public static TsFileResource increaseInnerCompactionCnt(TsFileResource tsFileResource)
                                                 throws java.io.IOException

Throws:

java.io.IOException

increaseCrossCompactionCnt

public static java.io.File increaseCrossCompactionCnt(java.io.File tsFile)
                                               throws java.io.IOException

Throws:

java.io.IOException

getCrossCompactionTargetFileResources

public static java.util.List<TsFileResource> getCrossCompactionTargetFileResources(java.util.List<TsFileResource> seqResources)
                                                                            throws java.io.IOException

Create tmp target file for cross space compaction, in which each sequence source file has its own tmp target file.

Parameters:

seqResources -

Returns:

tmp target file list, which is xxx.cross

Throws:

java.io.IOException

getInnerCompactionTargetFileResource

public static TsFileResource getInnerCompactionTargetFileResource(java.util.List<TsFileResource> tsFileResources,
                                                                  boolean sequence)
                                                           throws java.io.IOException

Create tmp target file for inner space compaction, in which all source files has only one tmp target file.

Parameters:

tsFileResources -

sequence -

Returns:

tmp target file, which is xxx.target

Throws:

java.io.IOException