using System; | |
using Apache.NMS; | |
/** | |
* | |
* 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. | |
*/ | |
namespace Apache.NMS.Selector | |
{ | |
/// <summary> | |
/// MessageEvaluationContext is used to cache selection results. | |
/// | |
/// A message usually has multiple selectors applied against it. Some selector | |
/// have a high cost of evaluating against the message. Those selectors may whish | |
/// to cache evaluation results associated with the message in the | |
/// MessageEvaluationContext. | |
/// </summary> | |
public class MessageEvaluationContext | |
{ | |
private IMessage nmsMessage; | |
public IMessage Message | |
{ | |
get { return nmsMessage; } | |
set { nmsMessage = value; } | |
} | |
public MessageEvaluationContext(IMessage message) | |
{ | |
nmsMessage = message; | |
} | |
public object GetProperty(string name) | |
{ | |
if(name.Length > 3 && | |
string.Compare(name.Substring(0, 3), "JMS", true) == 0) | |
{ | |
if(string.Compare(name, "JMSCorrelationID", true) == 0) | |
{ | |
return nmsMessage.NMSCorrelationID; | |
} | |
if(string.Compare(name, "JMSMessageID", true) == 0) | |
{ | |
return nmsMessage.NMSMessageId; | |
} | |
if(string.Compare(name, "JMSPriority", true) == 0) | |
{ | |
return nmsMessage.NMSPriority; | |
} | |
if(string.Compare(name, "JMSTimestamp", true) == 0) | |
{ | |
return nmsMessage.NMSTimestamp; | |
} | |
if(string.Compare(name, "JMSType", true) == 0) | |
{ | |
return nmsMessage.NMSType; | |
} | |
if(string.Compare(name, "JMSDeliveryMode", true) == 0) | |
{ | |
return nmsMessage.NMSDeliveryMode; | |
} | |
} | |
return nmsMessage.Properties[name]; | |
} | |
} | |
} |