com.googlecode.jinahya.util.fsm
Class MachineContext

java.lang.Object
  com.googlecode.jinahya.util.fsm.MachineContext

public class MachineContext
extends Object

The machine context which performs tasks for every transition.

Author:

Jin Kwon

Field Summary

protected TaskContext

taskContext task context.

Constructor Summary

protected

MachineContext(TaskContext taskContext) Creates a new instance.

Method Summary

protected void	perform(TransitionContext context, Task... tasks) Perform tasks.
void	transited(Transition transition) Notifies a state transition.

Methods inherited from class java.lang.Object

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

Field Detail

taskContext

protected final TaskContext taskContext

task context.

Constructor Detail

MachineContext

protected MachineContext(TaskContext taskContext)

Creates a new instance.

Parameters:

taskContext - tasks

Method Detail

transited

public void transited(Transition transition)
               throws FSMException

Notifies a state transition.

Parameters:

transition - transition transition.

Throws:

FSMException - if an error occurs.

perform

protected void perform(TransitionContext context,
                       Task... tasks)
                throws FSMException

Perform tasks. Each task can be performed concurrently. Overriding classes must guarantee that all tasks performed before this method returns. Default implementation performs tasks one by one.

Parameters:

context - transition context

tasks - tasks to be performed

Throws:

FSMException - if an error occurs