org.apache.hadoop.hdfs.server.namenode

Class FileJournalManager.EditLogFile

java.lang.Object

org.apache.hadoop.hdfs.server.namenode.FileJournalManager.EditLogFile

Enclosing class:

FileJournalManager

@InterfaceAudience.Private
public static class FileJournalManager.EditLogFile
extends Object

Record of an edit log that has been located and had its filename parsed.

Method Summary

Methods

Modifier and Type	Method and Description
File	getFile()
long	getFirstTxId()
long	getLastTxId()
boolean	isInProgress()
void	moveAsideEmptyFile()
String	toString()
void	validateLog() Find out where the edit log ends.

Methods inherited from class java.lang.Object

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

Method Detail

getFirstTxId

public long getFirstTxId()

getLastTxId

public long getLastTxId()

validateLog

public void validateLog()
                 throws IOException

Find out where the edit log ends. This will update the lastTxId of the EditLogFile or mark it as corrupt if it is.

Throws:

IOException

isInProgress

public boolean isInProgress()

getFile

public File getFile()

moveAsideEmptyFile

public void moveAsideEmptyFile()
                        throws IOException

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object