net.cw.luigi.commands
Class WaitableResult

java.lang.Object
  net.cw.luigi.commands.LateResultImpl
      net.cw.luigi.commands.WaitableResult

All Implemented Interfaces:

Serializable, LateResult

public class WaitableResult
extends LateResultImpl

LateResult implementation that uses a Latch to allow client threads to wait until the worker thread is done. Note that waiting is done only throught the getOrThrow method, and instances of this class can still be used in polling techniques around the isReady() method.

Version:

$Revision: 1.1 $

Author:

Tiago Silveira

See Also:

Latch, Serialized Form

Constructor Summary

WaitableResult()
Constructor for the WaitableResult object

Method Summary

Object	getOrThrow() acquires from the latch and calls getOrThrow in the superclass.
void	setError(Throwable error) Sets the error and releases the latch
void	setValue(Object value) Sets the value and releases the latch

Methods inherited from class net.cw.luigi.commands.LateResultImpl

getError, getValue, isError, isReady, isValue

Methods inherited from class java.lang.Object

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

Constructor Detail

WaitableResult

public WaitableResult()

Constructor for the WaitableResult object

Method Detail

getOrThrow

public Object getOrThrow()
                  throws Throwable

acquires from the latch and calls getOrThrow in the superclass.

Specified by:

getOrThrow in interface LateResult

Overrides:

getOrThrow in class LateResultImpl

Returns:

The or throw value

Throws:

Throwable - TODO: Description of the Exception

setValue

public void setValue(Object value)

Sets the value and releases the latch

Specified by:

setValue in interface LateResult

Overrides:

setValue in class LateResultImpl

Parameters:

value - The new value

setError

public void setError(Throwable error)

Sets the error and releases the latch

Specified by:

setError in interface LateResult

Overrides:

setError in class LateResultImpl

Parameters:

error - The new error