info.pppc.base.system

Class FutureResult

java.lang.Object

info.pppc.base.system.FutureResult

public final class FutureResult
extends java.lang.Object

The future service result is the result that is returned in response to deferred synchronous calls.

Author:

Marcus Handte

Field Summary

Fields

Modifier and Type	Field and Description
static int	EVENT_RESULT_AVAILABLE This event is raised once the result becomes available.

Constructor Summary

Constructors

Constructor and Description
FutureResult() Creates a new future result.

Method Summary

Methods

Modifier and Type	Method and Description
Result	getResult() Method to access the result of the remote call.
boolean	isAvailable() Determines whether the result is already available.
void	setListener(IListener listener) Sets a listener to the result and returns whether the result is already available.
void	setResult(Result result) Method to set the real result of the remote call.

Methods inherited from class java.lang.Object

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

Field Detail

EVENT_RESULT_AVAILABLE

public static final int EVENT_RESULT_AVAILABLE

This event is raised once the result becomes available. The data object will be the result, the source will be the future result.

See Also:

Constant Field Values

Constructor Detail

FutureResult

public FutureResult()

Creates a new future result.

Method Detail

setListener

public void setListener(IListener listener)

Sets a listener to the result and returns whether the result is already available.

Parameters:

listener - The listener that will be notified once the result gets available.

setResult

public void setResult(Result result)

Method to set the real result of the remote call. Notifies the waiting application on the arrival of the result.

Parameters:

result - The service result of the call.

getResult

public Result getResult()

Method to access the result of the remote call. If called it waits for the result to be delivered and blocks the calling thread.

Returns:

ServiceResult the result of the remote call

isAvailable

public boolean isAvailable()

Determines whether the result is already available. If this method returns true, getting the result will not block.

Returns:

True if the result is available, false otherwise.