core/src/main/java/org/jclouds/http/HttpCommandRendezvous.java

/**
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.jclouds.http;

import java.util.concurrent.Future;
import java.util.concurrent.SynchronousQueue;

/**
 * Used for passing objects for response processing
 * 
 * @author Adrian Cole
 */
public class HttpCommandRendezvous<T, R extends HttpRequest> {

   private final HttpCommand command;
   @SuppressWarnings("rawtypes")
   private final SynchronousQueue rendezvous;
   private final Future<T> future;

   public HttpCommandRendezvous(HttpCommand command, @SuppressWarnings("rawtypes") SynchronousQueue rendezvous,
         Future<T> future) {
      this.command = command;
      this.rendezvous = rendezvous;
      this.future = future;
   }

   @SuppressWarnings("unchecked")
   public void setResponse(HttpResponse response) throws InterruptedException {
      this.rendezvous.put(response);
   }

   @SuppressWarnings("unchecked")
   public void setException(Exception exception) throws InterruptedException {
      this.rendezvous.put(exception);
   }

   public void cancel() {
      getFuture().cancel(true);
   }

   public HttpCommand getCommand() {
      return command;
   }

   public Future<T> getFuture() {
      return future;
   }

}