/* | |
* 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 System.Text; | |
using ZeroMQ; | |
namespace Apache.NMS.ZMQ | |
{ | |
/// <summary> | |
/// Summary description for Destination. | |
/// </summary> | |
public abstract class Destination : IDestination | |
{ | |
protected Session session; | |
/// <summary> | |
/// Socket object | |
/// </summary> | |
protected ZmqSocket producerEndpoint = null; | |
protected ZmqSocket consumerEndpoint = null; | |
protected string destinationName; | |
/// <summary> | |
/// Construct the Destination with a defined physical name. | |
/// </summary> | |
/// <param name="name"></param> | |
protected Destination(Session session, string destName) | |
{ | |
this.session = session; | |
this.destinationName = destName; | |
} | |
~Destination() | |
{ | |
// TODO: Implement IDisposable pattern | |
if(null != this.producerEndpoint) | |
{ | |
this.session.Connection.ReleaseProducer(this.producerEndpoint); | |
this.producerEndpoint = null; | |
} | |
if(null != this.consumerEndpoint) | |
{ | |
this.session.Connection.ReleaseConsumer(this.consumerEndpoint); | |
this.consumerEndpoint = null; | |
} | |
} | |
public string Name | |
{ | |
get { return this.destinationName; } | |
} | |
public bool IsTopic | |
{ | |
get | |
{ | |
return DestinationType == DestinationType.Topic | |
|| DestinationType == DestinationType.TemporaryTopic; | |
} | |
} | |
public bool IsQueue | |
{ | |
get | |
{ | |
return DestinationType == DestinationType.Queue | |
|| DestinationType == DestinationType.TemporaryQueue; | |
} | |
} | |
public bool IsTemporary | |
{ | |
get | |
{ | |
return DestinationType == DestinationType.TemporaryQueue | |
|| DestinationType == DestinationType.TemporaryTopic; | |
} | |
} | |
/// <summary> | |
/// </summary> | |
/// <returns>string representation of this instance</returns> | |
public override string ToString() | |
{ | |
return MakeUriString(this.destinationName); | |
} | |
private string MakeUriString(string destName) | |
{ | |
switch(DestinationType) | |
{ | |
case DestinationType.Topic: | |
return "topic://" + destName; | |
case DestinationType.TemporaryTopic: | |
return "temp-topic://" + destName; | |
case DestinationType.TemporaryQueue: | |
return "temp-queue://" + destName; | |
default: | |
return "queue://" + destName; | |
} | |
} | |
/// <summary> | |
/// hashCode for this instance | |
/// </summary> | |
/// <returns></returns> | |
public override int GetHashCode() | |
{ | |
int answer = 37; | |
answer = this.Name.GetHashCode(); | |
if(IsTopic) | |
{ | |
answer ^= 0xfabfab; | |
} | |
return answer; | |
} | |
/// <summary> | |
/// if the object passed in is equivalent, return true | |
/// </summary> | |
/// <param name="obj">the object to compare</param> | |
/// <returns>true if this instance and obj are equivalent</returns> | |
public override bool Equals(Object obj) | |
{ | |
bool result = (this == obj); | |
if(!result && obj != null && obj is Destination) | |
{ | |
Destination other = (Destination) obj; | |
result = (this.DestinationType == other.DestinationType | |
&& this.Name.Equals(other.Name)); | |
} | |
return result; | |
} | |
public abstract DestinationType DestinationType | |
{ | |
get; | |
} | |
internal int Send(byte[] buffer, TimeSpan timeout) | |
{ | |
if(null == this.producerEndpoint) | |
{ | |
this.producerEndpoint = this.session.Connection.GetProducer(); | |
} | |
return this.producerEndpoint.Send(buffer, buffer.Length, SocketFlags.None, timeout); | |
} | |
internal string Receive(Encoding encoding, TimeSpan timeout) | |
{ | |
if(null == this.consumerEndpoint) | |
{ | |
this.consumerEndpoint = this.session.Connection.GetConsumer(encoding, this.destinationName); | |
} | |
return consumerEndpoint.Receive(encoding, timeout); | |
} | |
internal Frame ReceiveFrame() | |
{ | |
// TODO: Implement | |
return null; | |
} | |
internal ZmqMessage ReceiveMessage() | |
{ | |
// TODO: Implement | |
return null; | |
} | |
} | |
} | |