| /** |
| * 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.vm; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.net.URI; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.apache.activemq.command.BrokerInfo; |
| import org.apache.activemq.transport.MutexTransport; |
| import org.apache.activemq.transport.ResponseCorrelator; |
| import org.apache.activemq.transport.Transport; |
| import org.apache.activemq.transport.TransportAcceptListener; |
| import org.apache.activemq.transport.TransportServer; |
| |
| /** |
| * Broker side of the VMTransport |
| */ |
| public class VMTransportServer implements TransportServer { |
| |
| private TransportAcceptListener acceptListener; |
| private final URI location; |
| private boolean disposed; |
| |
| private final AtomicInteger connectionCount = new AtomicInteger(0); |
| private final boolean disposeOnDisconnect; |
| |
| /** |
| * @param location |
| * @param disposeOnDisconnect |
| */ |
| public VMTransportServer(URI location, boolean disposeOnDisconnect) { |
| this.location = location; |
| this.disposeOnDisconnect = disposeOnDisconnect; |
| } |
| |
| /** |
| * @return a pretty print of this |
| */ |
| public String toString() { |
| return "VMTransportServer(" + location + ")"; |
| } |
| |
| /** |
| * @return new VMTransport |
| * @throws IOException |
| */ |
| public VMTransport connect() throws IOException { |
| TransportAcceptListener al; |
| synchronized (this) { |
| if (disposed) { |
| throw new IOException("Server has been disposed."); |
| } |
| al = acceptListener; |
| } |
| if (al == null) { |
| throw new IOException("Server TransportAcceptListener is null."); |
| } |
| |
| connectionCount.incrementAndGet(); |
| VMTransport client = new VMTransport(location) { |
| public void stop() throws Exception { |
| if (stopping.compareAndSet(false, true) && !disposed) { |
| super.stop(); |
| if (connectionCount.decrementAndGet() == 0 |
| && disposeOnDisconnect) { |
| VMTransportServer.this.stop(); |
| } |
| } |
| }; |
| }; |
| |
| VMTransport server = new VMTransport(location); |
| client.setPeer(server); |
| server.setPeer(client); |
| al.onAccept(configure(server)); |
| return client; |
| } |
| |
| /** |
| * Configure transport |
| * |
| * @param transport |
| * @return the Transport |
| */ |
| public static Transport configure(Transport transport) { |
| transport = new MutexTransport(transport); |
| transport = new ResponseCorrelator(transport); |
| return transport; |
| } |
| |
| /** |
| * Set the Transport accept listener for new Connections |
| * |
| * @param acceptListener |
| */ |
| public synchronized void setAcceptListener(TransportAcceptListener acceptListener) { |
| this.acceptListener = acceptListener; |
| } |
| |
| public void start() throws IOException { |
| } |
| |
| public void stop() throws IOException { |
| VMTransportFactory.stopped(this); |
| } |
| |
| public URI getConnectURI() { |
| return location; |
| } |
| |
| public URI getBindURI() { |
| return location; |
| } |
| |
| public void setBrokerInfo(BrokerInfo brokerInfo) { |
| } |
| |
| public InetSocketAddress getSocketAddress() { |
| return null; |
| } |
| |
| public int getConnectionCount() { |
| return connectionCount.intValue(); |
| } |
| } |