net.customware.gwt.dispatch.server
Interface ExecutionContext

public interface ExecutionContext

ExecutionContext instances are passed to ActionHandlers, and allows them to execute sub-actions. These actions can be automatically rolled back if any part of the action handler fails.

Author:

David Peterson

Method Summary

<A extends Action<R>,R extends Result> R	execute(A action) Executes an action in the current context.
<A extends Action<R>,R extends Result> R	execute(A action, boolean allowRollback) Executes an action in the current context.

Method Detail

execute

<A extends Action<R>,R extends Result> R execute(A action,
                                                 boolean allowRollback)
                         throws DispatchException

Executes an action in the current context. If rollbackOnException is set to true, the action will be rolled back if the surrounding execution fails.

Type Parameters:

A - The action type.

R - The result type.

Parameters:

action - The action.

allowRollback - If true, any failure in the surrounding execution will trigger a rollback of the action.

Returns:

The result.

Throws:

DispatchException

execute

<A extends Action<R>,R extends Result> R execute(A action)
                         throws DispatchException

Executes an action in the current context. If the surrounding execution fails, the action will be rolled back.

Type Parameters:

A - The action type.

R - The result type.

Parameters:

action - The action.

Returns:

The result.

Throws:

DispatchException