org.apache.zookeeper.server.upgrade
Class UpgradeSnapShotV1

java.lang.Object
  org.apache.zookeeper.server.upgrade.UpgradeSnapShotV1

All Implemented Interfaces:

UpgradeSnapShot

public class UpgradeSnapShotV1
extends Object
implements UpgradeSnapShot

This class gets the old snapshot and the old dataDir and creates an brand new snapshot that is then converted to the new snapshot for upgrading.

Constructor Summary

UpgradeSnapShotV1(File dataDir, File snapShotDir)
upgrade from version 1 to version 2

Method Summary

DataTree	getNewDataTree()
ConcurrentHashMap<Long,Integer>	getSessionWithTimeOuts()
long	playLog(org.apache.jute.InputArchive logStream) play the log from this logstream into the datatree

Methods inherited from class java.lang.Object

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

Constructor Detail

UpgradeSnapShotV1

public UpgradeSnapShotV1(File dataDir,
                         File snapShotDir)

upgrade from version 1 to version 2

Parameters:

dataDir -

snapShotDir -

Method Detail

playLog

public long playLog(org.apache.jute.InputArchive logStream)
             throws IOException

play the log from this logstream into the datatree

Parameters:

logStream -

Returns:

Throws:

IOException

getNewDataTree

public DataTree getNewDataTree()
                        throws IOException

Specified by:

getNewDataTree in interface UpgradeSnapShot

Throws:

IOException

getSessionWithTimeOuts

public ConcurrentHashMap<Long,Integer> getSessionWithTimeOuts()

Specified by:

getSessionWithTimeOuts in interface UpgradeSnapShot