com.thoughtworks.proxy.toys.future
Class FutureInvoker

java.lang.Object
  com.thoughtworks.proxy.toys.future.FutureInvoker

All Implemented Interfaces:

Invoker, Serializable

public class FutureInvoker
extends Object
implements Invoker

Invoker that implements transparent asynchronous method calls. The invoked method will return immediately with a result that can be hot swapped. This result proxy contains first a null object and will automatically replaced later on when the asynchronous method call returns the correct result.

Since:

1.0

Author:

Aslak Hellesøy

See Also:

Serialized Form

Constructor Summary

FutureInvoker(Object target, ProxyFactory proxyFactory, ExecutorService executor)
Construct the invoker.

Method Summary

Object

invoke(Object proxy, Method method, Object[] args) Invocation of a method of the proxied object.

Methods inherited from class java.lang.Object

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

Constructor Detail

FutureInvoker

public FutureInvoker(Object target,
                     ProxyFactory proxyFactory,
                     ExecutorService executor)

Construct the invoker.

Parameters:

target - the instance that will have its methods called asynchronously

proxyFactory - the proxy factory used to create the proxy for the target instance and all return types of the called methods

executor - the executor used to call the method asynchronously

Since:

1.0

Method Detail

invoke

public Object invoke(Object proxy,
                     Method method,
                     Object[] args)
              throws Throwable

Description copied from interface: Invoker

Invocation of a method of the proxied object.

Specified by:

invoke in interface Invoker

Parameters:

proxy - the proxy instance.

method - the method to invoke.

args - the arguments of the method.

Returns:

the result of the invoked method.

Throws:

Throwable - if the invoked method has thrown.