com.gwtplatform.dispatch.rpc.server.actionhandler

Class BatchActionHandler

java.lang.Object

com.gwtplatform.dispatch.rpc.server.actionhandler.AbstractActionHandler<BatchAction,BatchResult>

com.gwtplatform.dispatch.rpc.server.actionhandler.BatchActionHandler

All Implemented Interfaces:

ActionHandler<BatchAction,BatchResult>

public class BatchActionHandler
extends AbstractActionHandler<BatchAction,BatchResult>

This handles BatchAction requests, which are a set of multiple actions that need to all be executed successfully in sequence for the whole action to succeed.

Constructor Summary

Constructors

Constructor and Description
BatchActionHandler()

Method Summary

Methods

Modifier and Type	Method and Description
BatchResult	execute(BatchAction action, ExecutionContext context) Handles the specified action.
void	undo(BatchAction action, BatchResult result, ExecutionContext context) Undoes the specified action.

Methods inherited from class com.gwtplatform.dispatch.rpc.server.actionhandler.AbstractActionHandler

getActionType

Methods inherited from class java.lang.Object

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

Constructor Detail

BatchActionHandler

public BatchActionHandler()

Method Detail

execute

public BatchResult execute(BatchAction action,
                  ExecutionContext context)
                    throws ActionException

Description copied from interface: ActionHandler

Handles the specified action. If you want to build a compound action that can rollback automatically upon failure, call ExecutionContext.execute(Action). See here for details.

Parameters:

action - The action.

context - The ExecutionContext.

Returns:

The Result.

Throws:

ActionException - if there is a problem performing the specified action.

undo

public void undo(BatchAction action,
        BatchResult result,
        ExecutionContext context)
          throws ActionException

Description copied from interface: ActionHandler

Undoes the specified action. If you want to build a compound action that can rollback automatically upon failure, call ExecutionContext.undo(Action, Result). See here for details.

Parameters:

action - The action.

result - The result of the action.

context - The ExecutionContext.

Throws:

ActionException - if there is a problem performing the specified action.