net.sf.doolin.gui.action.task
Interface GUITask<B,R>

Type Parameters:

B - Type of bean sent to the task

R - Type of bean returned by the task

All Known Implementing Classes:

AbstractGUITask, MethodGUITask

public interface GUITask<B,R>

Defines a task that can run in a GUI application. It is not run directly but launched and monitored by a GUITaskExecutor.

Author:

Damien Coraboeuf

Method Summary

R	doInBackground(ActionContext actionContext, B bean) Performs the main task, outside of the EDT.
void	doOnException(ActionContext actionContext, B bean, Throwable th) This method is called by the task executor whenever that task has returned an error
void	doOnResult(ActionContext actionContext, B bean, R result) This method is called on the EDT when the task has completed its work.

Method Detail

doInBackground

R doInBackground(ActionContext actionContext,
                 B bean)
                 throws Exception

Performs the main task, outside of the EDT.

Parameters:

actionContext - Initial action context

bean - Bean sent to the task

Returns:

Bean returned by the task

Throws:

Exception - In case of failure

doOnException

void doOnException(ActionContext actionContext,
                   B bean,
                   Throwable th)

This method is called by the task executor whenever that task has returned an error

Parameters:

actionContext - Initial action context

bean - Bean sent to the task

th - Error thrown by the task

doOnResult

void doOnResult(ActionContext actionContext,
                B bean,
                R result)

This method is called on the EDT when the task has completed its work.

Parameters:

actionContext - Initial action context

bean - Bean sent to the task

result - Bean returned by the task