| /* |
| * 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. |
| */ |
| |
| using System; |
| using Apache.NMS.ActiveMQ.Commands; |
| |
| namespace Apache.NMS.ActiveMQ.Transport |
| { |
| /// <summary> |
| /// Used to implement a filter on the transport layer. |
| /// </summary> |
| public class TransportFilter : ITransport |
| { |
| protected readonly ITransport next; |
| protected CommandHandler commandHandler; |
| protected ExceptionHandler exceptionHandler; |
| protected InterruptedHandler interruptedHandler; |
| protected ResumedHandler resumedHandler; |
| private bool disposed = false; |
| |
| public TransportFilter(ITransport next) |
| { |
| this.next = next; |
| this.next.Command = new CommandHandler(OnCommand); |
| this.next.Exception = new ExceptionHandler(OnException); |
| this.next.Interrupted = new InterruptedHandler(OnInterrupted); |
| this.next.Resumed = new ResumedHandler(OnResumed); |
| } |
| |
| ~TransportFilter() |
| { |
| Dispose(false); |
| } |
| |
| protected virtual void OnCommand(ITransport sender, Command command) |
| { |
| this.commandHandler(sender, command); |
| } |
| |
| protected virtual void OnException(ITransport sender, Exception command) |
| { |
| this.exceptionHandler(sender, command); |
| } |
| |
| protected virtual void OnInterrupted(ITransport sender) |
| { |
| if(this.interruptedHandler != null) |
| { |
| this.interruptedHandler(sender); |
| } |
| } |
| |
| protected virtual void OnResumed(ITransport sender) |
| { |
| if(this.resumedHandler != null) |
| { |
| this.resumedHandler(sender); |
| } |
| } |
| |
| /// <summary> |
| /// Method Oneway |
| /// </summary> |
| /// <param name="command">A Command</param> |
| public virtual void Oneway(Command command) |
| { |
| this.next.Oneway(command); |
| } |
| |
| /// <summary> |
| /// Method AsyncRequest |
| /// </summary> |
| /// <returns>A FutureResponse</returns> |
| /// <param name="command">A Command</param> |
| public virtual FutureResponse AsyncRequest(Command command) |
| { |
| return this.next.AsyncRequest(command); |
| } |
| |
| /// <summary> |
| /// Method Request |
| /// </summary> |
| /// <returns>A Response</returns> |
| /// <param name="command">A Command</param> |
| public virtual Response Request(Command command) |
| { |
| return Request(command, TimeSpan.FromMilliseconds(System.Threading.Timeout.Infinite)); |
| } |
| |
| /// <summary> |
| /// Method Request with time out for Response. |
| /// </summary> |
| /// <returns>A Response</returns> |
| /// <param name="command">A Command</param> |
| /// <param name="timeout">Timeout in milliseconds</param> |
| public virtual Response Request(Command command, TimeSpan timeout) |
| { |
| return this.next.Request(command, timeout); |
| } |
| |
| /// <summary> |
| /// Method Start |
| /// </summary> |
| public virtual void Start() |
| { |
| if(commandHandler == null) |
| { |
| throw new InvalidOperationException("command cannot be null when Start is called."); |
| } |
| |
| if(exceptionHandler == null) |
| { |
| throw new InvalidOperationException("exception cannot be null when Start is called."); |
| } |
| |
| this.next.Start(); |
| } |
| |
| /// <summary> |
| /// Property IsStarted |
| /// </summary> |
| public bool IsStarted |
| { |
| get { return this.next.IsStarted; } |
| } |
| |
| /// <summary> |
| /// Method Dispose |
| /// </summary> |
| public void Dispose() |
| { |
| Dispose(true); |
| GC.SuppressFinalize(this); |
| } |
| |
| protected virtual void Dispose(bool disposing) |
| { |
| if(disposing && !disposed) |
| { |
| Tracer.Debug("TransportFilter disposing of next Transport: " + |
| this.next.GetType().Name); |
| this.next.Dispose(); |
| } |
| disposed = true; |
| } |
| |
| public bool IsDisposed |
| { |
| get |
| { |
| return disposed; |
| } |
| } |
| |
| public CommandHandler Command |
| { |
| get { return commandHandler; } |
| set { this.commandHandler = value; } |
| } |
| |
| public ExceptionHandler Exception |
| { |
| get { return exceptionHandler; } |
| set { this.exceptionHandler = value; } |
| } |
| |
| public InterruptedHandler Interrupted |
| { |
| get { return interruptedHandler; } |
| set { this.interruptedHandler = value; } |
| } |
| |
| public ResumedHandler Resumed |
| { |
| get { return resumedHandler; } |
| set { this.resumedHandler = value; } |
| } |
| |
| public virtual void Stop() |
| { |
| this.next.Stop(); |
| } |
| |
| public Object Narrow(Type type) |
| { |
| if( this.GetType().Equals( type ) ) { |
| return this; |
| } else if( this.next != null ) { |
| return this.next.Narrow( type ); |
| } |
| |
| return null; |
| } |
| |
| /// <summary> |
| /// Timeout in milliseconds to wait for sending synchronous messages or commands. |
| /// Set to -1 for infinite timeout. |
| /// </summary> |
| public int Timeout |
| { |
| get { return next.Timeout; } |
| set { next.Timeout = value; } |
| } |
| |
| /// <summary> |
| /// Timeout in milliseconds to wait for sending asynchronous messages or commands. |
| /// Set to -1 for infinite timeout. |
| /// </summary> |
| public int AsyncTimeout |
| { |
| get { return next.AsyncTimeout; } |
| set { next.AsyncTimeout = value; } |
| } |
| |
| public bool IsFaultTolerant |
| { |
| get{ return next.IsFaultTolerant; } |
| } |
| |
| public bool IsConnected |
| { |
| get{ return next.IsConnected; } |
| } |
| |
| public Uri RemoteAddress |
| { |
| get{ return next.RemoteAddress; } |
| } |
| |
| public bool IsReconnectSupported |
| { |
| get{ return next.IsReconnectSupported; } |
| } |
| |
| public bool IsUpdateURIsSupported |
| { |
| get{ return next.IsUpdateURIsSupported; } |
| } |
| |
| public void UpdateURIs(bool rebalance, Uri[] updatedURIs) |
| { |
| next.UpdateURIs(rebalance, updatedURIs); |
| } |
| |
| public IWireFormat WireFormat |
| { |
| get { return next.WireFormat; } |
| } |
| } |
| } |
| |