| /******************************************************************************* |
| * Copyright (c) 2013 Boeing. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Boeing - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.osee.ote.internal.message.event.send; |
| |
| import org.eclipse.osee.ote.message.event.OteEventMessage; |
| import org.eclipse.osee.ote.message.event.OteEventMessageUtil; |
| import org.eclipse.osee.ote.message.event.send.OteEventMessageResponseCallable; |
| import org.eclipse.osee.ote.message.event.send.OteEventMessageResponseFuture; |
| import org.osgi.framework.ServiceRegistration; |
| import org.osgi.service.event.Event; |
| import org.osgi.service.event.EventHandler; |
| |
| |
| public class OteEventMessageResponseFutureImpl<R extends OteEventMessage> implements OteEventMessageResponseFuture<R>, EventHandler { |
| private final ServiceRegistration<EventHandler> reg; |
| private final OteEventMessageResponseCallable<R> callable; |
| private final Class<R> recieveClasstype; |
| |
| public OteEventMessageResponseFutureImpl(Class<R> recieveClasstype, OteEventMessageResponseCallable<R> callable, String responseTopic) { |
| this.callable = callable; |
| this.recieveClasstype = recieveClasstype; |
| reg = OteEventMessageUtil.subscribe(responseTopic, this); |
| } |
| |
| @Override |
| public void handleEvent(Event event) { |
| try { |
| R msg = recieveClasstype.newInstance(); |
| OteEventMessageUtil.putBytes(event, msg); |
| callable.call(msg); |
| } catch (InstantiationException e) { |
| e.printStackTrace(); |
| } catch (IllegalAccessException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| @Override |
| public void cancel(){ |
| dispose(); |
| } |
| |
| private void dispose(){ |
| reg.unregister(); |
| } |
| } |