Package org.apache.iotdb.db.utils

Class UpgradeUtils

java.lang.Object

org.apache.iotdb.db.utils.UpgradeUtils

public class UpgradeUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
UpgradeUtils()

Method Summary

Modifier and Type	Method	Description
static void	clearUpgradeRecoverMap()
static java.util.concurrent.locks.ReadWriteLock	getCntUpgradeFileLock()
static java.util.concurrent.locks.ReadWriteLock	getUpgradeLogLock()
static boolean	isNeedUpgrade(TsFileResource tsFileResource)	judge whether a tsfile needs to be upgraded
static boolean	isUpgradedFileGenerated(java.lang.String oldFileName)
static void	moveUpgradedFiles(TsFileResource resource)
static void	recoverUpgrade()

Methods inherited from class java.lang.Object

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

Constructor Detail

UpgradeUtils

public UpgradeUtils()

Method Detail

getCntUpgradeFileLock

public static java.util.concurrent.locks.ReadWriteLock getCntUpgradeFileLock()

getUpgradeLogLock

public static java.util.concurrent.locks.ReadWriteLock getUpgradeLogLock()

isNeedUpgrade

public static boolean isNeedUpgrade(TsFileResource tsFileResource)

judge whether a tsfile needs to be upgraded

moveUpgradedFiles

public static void moveUpgradedFiles(TsFileResource resource)
                              throws java.io.IOException

Throws:

java.io.IOException

isUpgradedFileGenerated

public static boolean isUpgradedFileGenerated(java.lang.String oldFileName)

clearUpgradeRecoverMap

public static void clearUpgradeRecoverMap()

recoverUpgrade

public static void recoverUpgrade()