org.apache.excalibur.event.command
Class NullCommandFailureHandler

java.lang.Object
  org.apache.excalibur.event.command.NullCommandFailureHandler

All Implemented Interfaces:

CommandFailureHandler

public class NullCommandFailureHandler

extends java.lang.Object

implements CommandFailureHandler

NullCommandFailureHandler is used to do nothing if a command fails.

Version:

CVS $ Revision: 1.1 $

Author:

Avalon Development Team

Field Summary

static NullCommandFailureHandler

SHARED_INSTANCE

Constructor Summary

NullCommandFailureHandler()

Method Summary

boolean

handleCommandFailure(Command command, java.lang.Throwable throwable) Handle a command failure.

Methods inherited from class java.lang.Object

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

Field Detail

SHARED_INSTANCE

public static final NullCommandFailureHandler SHARED_INSTANCE

Constructor Detail

NullCommandFailureHandler

public NullCommandFailureHandler()

Method Detail

handleCommandFailure

public boolean handleCommandFailure(Command command,
                                    java.lang.Throwable throwable)

Handle a command failure. If a command throws an exception, it has failed. The CommandManager will call this method so that we can handle the problem effectively. This implementation does nothing and always returns false.

Specified by:

handleCommandFailure in interface CommandFailureHandler

Parameters:

command - The original Command object that failed

throwable - The throwable that caused the failure

Returns:

true if the CommandManager should cease to process commands.