org.apache.river.mahalo.log

Class TransientLogFile

java.lang.Object

org.apache.river.mahalo.log.TransientLogFile

All Implemented Interfaces:

ClientLog, Log

public class TransientLogFile
extends Object
implements Log

An implementation of a non-persistent Log.

Author:

Sun Microsystems, Inc.

See Also:

Log

Field Summary

Fields

Modifier and Type	Field and Description
private long	cookie Unique ID associated with this log
private MultiLogManager.LogRemovalManager	logMgr Reference to LogRemovalManager, which is called to remove this log from the managed set of logs.
private static Logger	operationsLogger Logger for operations related messages
private static Logger	persistenceLogger Logger for persistence related messages

Constructor Summary

Constructors

Constructor and Description
TransientLogFile(long id, MultiLogManager.LogRemovalManager lrm) Simple constructor that simply assigns the given parameter to an internal field.

Method Summary

Modifier and Type	Method and Description
long	cookie() Returns the identifier associated with information in this Log.
void	invalidate() Invalidate the log.
void	recover(LogRecovery client) Recover information from the log.
void	write(LogRecord rec) Add a LogRecord to the Log.

Methods inherited from class java.lang.Object

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

Field Detail

cookie

private final long cookie

Unique ID associated with this log

logMgr

private final MultiLogManager.LogRemovalManager logMgr

Reference to LogRemovalManager, which is called to remove this log from the managed set of logs.

persistenceLogger

private static final Logger persistenceLogger

Logger for persistence related messages

operationsLogger

private static final Logger operationsLogger

Logger for operations related messages

Constructor Detail

TransientLogFile

public TransientLogFile(long id,
                        MultiLogManager.LogRemovalManager lrm)

Simple constructor that simply assigns the given parameter to an internal field.

Parameters:

id - the unique identifier for this log

See Also:

Log, LogManager, MultiLogManager, MultiLogManager.LogRemovalManager

Method Detail

cookie

public long cookie()

Returns the identifier associated with information in this Log.

Specified by:

cookie in interface Log

See Also:

Log

write

public void write(LogRecord rec)
           throws LogException

Add a LogRecord to the Log. This method does nothing with the provided argument.

Specified by:

write in interface ClientLog

Parameters:

rec - the record to be ignored.

Throws:

LogException

See Also:

LogRecord

invalidate

public void invalidate()
                throws LogException

Invalidate the log.

Specified by:

invalidate in interface ClientLog

Throws:

LogException

recover

public void recover(LogRecovery client)
             throws LogException

Recover information from the log. Does nothing.

Specified by:

recover in interface Log

Parameters:

client - who to inform with information from the log.

Throws:

LogException

See Also:

LogRecovery