org.apache.river.outrigger.snaplogstore

Class SnapshotFile

java.lang.Object

org.apache.river.outrigger.snaplogstore.LogFile

org.apache.river.outrigger.snaplogstore.SnapshotFile

class SnapshotFile
extends LogFile

Author:

Sun Microsystems, Inc.

Field Summary

Fields

Modifier and Type	Field and Description
private String	fileName
private static Logger	logger Logger for logging persistent store related information
private ObjectOutputStream	out
private String	previousFilename
private RandomAccessFile	snapshotFile
private int	suffix

Fields inherited from class org.apache.river.outrigger.snaplogstore.LogFile

ABORT_OP, baseDir, baseFile, BATCH_TAKE_OP, BATCH_WRITE_OP, BOOT_OP, CANCEL_OP, COMMIT_OP, JOINSTATE_OP, LOG_TYPE, LOG_VERSION, NOTIFIED_OP, PREPARE_OP, REGISTER_OP, RENEW_OP, TAKE_OP, UUID_OP, WRITE_OP

Constructor Summary

Constructors

Constructor and Description
SnapshotFile(String basePath, File[] recover)

Method Summary

Modifier and Type	Method and Description
(package private) void	close() Close the log, but don't remove it.
(package private) void	commit()
(package private) void	destroy() Override destroy so we can try to close snapshotFile before calling super tries to delete all the files.
(package private) ObjectOutputStream	next() Switch this over to the next path in the list

Methods inherited from class org.apache.river.outrigger.snaplogstore.LogFile

existingLogs

Methods inherited from class java.lang.Object

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

Field Detail

snapshotFile

private volatile RandomAccessFile snapshotFile

fileName

private volatile String fileName

previousFilename

private volatile String previousFilename

out

private volatile ObjectOutputStream out

suffix

private volatile int suffix

logger

private static final Logger logger

Logger for logging persistent store related information

Constructor Detail

SnapshotFile

SnapshotFile(String basePath,
             File[] recover)
      throws IOException

Throws:

IOException

Method Detail

next

ObjectOutputStream next()
                 throws IOException

Switch this over to the next path in the list

Throws:

IOException

commit

void commit()
     throws IOException

Throws:

IOException

close

void close()
    throws IOException

Close the log, but don't remove it.

Throws:

IOException

destroy

void destroy()

Override destroy so we can try to close snapshotFile before calling super tries to delete all the files.

Overrides:

destroy in class LogFile