com.hazelcast.spi.hotrestart.impl.gc

Class BackupTask

java.lang.Object

com.hazelcast.spi.hotrestart.impl.gc.BackupTask

All Implemented Interfaces:

Runnable

public class BackupTask
extends Object
implements Runnable

Class in charge of copying stable hot restart chunks. Creates IN_PROGRESS_FILE while progressing and the FAILURE_FILE file in case of failure.

Field Summary

Fields

Modifier and Type	Field and Description
static String	FAILURE_FILE Name of the file which indicates that there was a failure during backup
static String	IN_PROGRESS_FILE Name of the file which indicates that there is a backup in progress

Method Summary

Modifier and Type	Method and Description
com.hazelcast.hotrestart.BackupTaskState	getBackupState() Returns the current state of the backup task
long	getMaxChunkSeq()
void	run() Runs the backup task.

Methods inherited from class java.lang.Object

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

Field Detail

IN_PROGRESS_FILE

public static final String IN_PROGRESS_FILE

Name of the file which indicates that there is a backup in progress

See Also:

Constant Field Values

FAILURE_FILE

public static final String FAILURE_FILE

Name of the file which indicates that there was a failure during backup

See Also:

Constant Field Values

Method Detail

run

public void run()

Runs the backup task. This task will copy only stable chunks with the given sequences. The backup task will first create a new file with the name IN_PROGRESS_FILE and start copying the chunks. When finished successfully or with a failure, the file will be removed. In case of failure, a new file with the name FAILURE_FILE will be created with the exception stack trace.

Specified by:

run in interface Runnable

getBackupState

public com.hazelcast.hotrestart.BackupTaskState getBackupState()

Returns the current state of the backup task

getMaxChunkSeq

public long getMaxChunkSeq()