| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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.apache.activemq.transport.tcp; |
| |
| import org.apache.activemq.command.Response; |
| |
| /** |
| * ResponseHolder utility |
| * |
| * |
| */ |
| public class ResponseHolder { |
| protected Response response; |
| protected Object lock = new Object(); |
| protected boolean notified; |
| |
| /** |
| * Construct a receipt holder |
| */ |
| public ResponseHolder() { |
| } |
| |
| /** |
| * Set the Response for this holder |
| * |
| * @param r |
| */ |
| public void setResponse(Response r) { |
| synchronized (lock) { |
| this.response = r; |
| notified = true; |
| lock.notify(); |
| } |
| } |
| |
| /** |
| * Get the Response |
| * |
| * @return the Response or null if it is closed |
| */ |
| public Response getResponse() { |
| return getResponse(0); |
| } |
| |
| /** |
| * wait upto <Code>timeout</Code> timeout ms to get a receipt |
| * |
| * @param timeout |
| * @return |
| */ |
| public Response getResponse(int timeout) { |
| synchronized (lock) { |
| if (!notified) { |
| try { |
| lock.wait(timeout); |
| } catch (InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| } |
| } |
| } |
| return this.response; |
| } |
| |
| /** |
| * close this holder |
| */ |
| public void close() { |
| synchronized (lock) { |
| notified = true; |
| lock.notifyAll(); |
| } |
| } |
| } |