org.curjent.agent
Class SingletonTask

java.lang.Object
  org.curjent.agent.SingletonTask

All Implemented Interfaces:

AgentTasks

public class SingletonTask
extends Object
implements AgentTasks

Source for one task.

This implementation is not thread-safe.

Constructor Summary

SingletonTask(Object task)
Singleton source for the given task.

Method Summary

Object	acquire() Returns the task used to construct this singleton.
void	release(Object task) Releases the given task, making it available to be acquired again.

Methods inherited from class java.lang.Object

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

Constructor Detail

SingletonTask

public SingletonTask(Object task)

Singleton source for the given task.

Throws:

NullPointerException - Argument is null.

Method Detail

acquire

public Object acquire()
               throws Throwable

Returns the task used to construct this singleton. Returns null if the task is currently acquired.

Specified by:

acquire in interface AgentTasks

Throws:

Throwable - An unexpected error.

See Also:

Agent.newInstance(AgentLoader, Class[], AgentTasks, Class)

release

public void release(Object task)
             throws Throwable

Releases the given task, making it available to be acquired again.

Specified by:

release in interface AgentTasks

Throws:

NullPointerException - Argument is null.

IllegalStateException - Task was already released.

Throwable - An unexpected error.