oracle.ifs.utils.action

Interface ActionQueueListener

All Superinterfaces:

EventListener

All Known Implementing Classes:

SchemaCreator.MyListener, SchemaUpgrade

public interface ActionQueueListener
extends EventListener

The interface that allows clients to observe events on an ActionQueue. The class that is interested in processing these events should implement this interface and register with an ActionQueue using the ActionQueue's addActionQueueListener method.

Version:

1.2.1

Author:

Luis Saenz

Modified:

lsaenz 06/25/2000 Updated comments., lsaenz 02/16/2000 Changed name to ActionQueueListener., lsaenz 02/11/2000 Now extends EventListener., lsaenz 02/06/2000 Added actionStarting and actionFinished methods., lsaenz 12/21/1999 Created.

Method Summary

Modifier and Type	Method and Description
void	actionFinished(Action action) Invoked when an Action has finished successfully.
void	actionQueueFailed(Throwable error) Invoked if the ActionQueue has failed.
void	actionQueueFinished() Invoked when the ActionQueue has finished.
void	actionStarting(Action action) Invoked when an Action is about to be performed.

Method Detail

actionQueueFinished

void actionQueueFinished()

Invoked when the ActionQueue has finished. An ActionQueue has finished when all of its Action instances have finished. An Action is considered finished when its perform method has returned successfully.

actionQueueFailed

void actionQueueFailed(Throwable error)

Invoked if the ActionQueue has failed. An ActionQueue has failed if any one of its Actions has failed. An ActionQueue can be considered fail-fast; that is, it will fail and stop executing Actions immediately upon a single Action having failed.

Parameters:

error - the error that occurred (usually an ActionFailedException).

actionStarting

void actionStarting(Action action)

Invoked when an Action is about to be performed.

Parameters:

action - the Action that will be performed.

actionFinished

void actionFinished(Action action)

Invoked when an Action has finished successfully.

Parameters:

action - the Action that has finished.