Package com.sun.jini.mahalo.log

Class SimpleLogFile

java.lang.Object

com.sun.jini.mahalo.log.SimpleLogFile

All Implemented Interfaces:

ClientLog, Log

public class SimpleLogFile
extends Object
implements Log

An implementation of a re-usable Log.

Author:

Sun Microsystems, Inc.

See Also:

• Log

Constructor Summary

Constructors

Constructor	Description
SimpleLogFile(String name, long cookie, MultiLogManager.LogRemovalManager logMgr)	Creates a SimpleLogFile.
SimpleLogFile(String name, MultiLogManager.LogRemovalManager logMgr)	Creates a read-only SimpleLogFile To be used for read-only access to a named Log.

Method Summary

Modifier and Type	Method	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

Constructor Details

SimpleLogFile

public SimpleLogFile(String name,
 MultiLogManager.LogRemovalManager logMgr)

Creates a read-only SimpleLogFile To be used for read-only access to a named Log. This is desired when recovering information from a Log.

Parameters:

name - names the file in which information is stored.

logMgr - LogRemovalManager managing this log. This object is called back to remove this log from the manager's managed set of log files.

See Also:

• Log
• LogManager
• MultiLogManager
• MultiLogManager.LogRemovalManager

SimpleLogFile

public SimpleLogFile(String name,
 long cookie,
 MultiLogManager.LogRemovalManager logMgr)

Creates a SimpleLogFile.

Parameters:

name - names the file in which information is stored.

cookie - identifier representing information being stored.

logMgr - LogRemovalManager managing this log. This object is called back to remove this log from the manager's responsibility.

See Also:

• Log
• LogManager
• MultiLogManager
• MultiLogManager.LogRemovalManager

Method Details

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.

Specified by:

write in interface ClientLog

Parameters:

rec - the record to be logged.

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.

Specified by:

recover in interface Log

Parameters:

client - who to inform with information from the log.

Throws:

LogException

See Also:

• LogRecovery