我们的团队正在构建一个服务,用于使用WCF处理来自多个远程MSMQ队列的消息(通过msmqIntegrationBinding)。我们希望能够根据它们通常消耗的资源数量来限制不同的队列组(通过serviceThrottling)。是否有可能拥有处理多个MSMQ端点的通用WCF服务?
我的想法是有一个服务类型处理来自多个队列的消息,并根据消息的类型确定如何处理它们。不幸的是,我不能找出使用MsmqMessage<T>
的通用方法,因为它期望确切的消息类型。 MsmqMessage<object>
不起作用,因为我认为它试图找到类型为object
的串行器。
关于如何获得这项工作或其他方法的任何想法?由于已经内置了死信处理,所以最好还是使用WCF。
示例配置:
<services>
<service name="MessageProcessor.LowResourceMsmqReceiverService" behaviorConfiguration="LowResourceMsmqServiceBehavior">
<endpoint address="msmq.formatname:DIRECT=OS:.\private$\EmailQueue" binding="msmqIntegrationBinding" bindingConfiguration="IncomingMessageBinding" contract="MessageProcessor.IMsmqReceiverService" />
<endpoint address="msmq.formatname:DIRECT=OS:.\private$\LoggingQueue" binding="msmqIntegrationBinding" bindingConfiguration="IncomingMessageBinding" contract="MessageProcessor.IMsmqReceiverService" />
</service>
<service name="MessageProcessor.HighResourceMsmqReceiverService" behaviorConfiguration="HighResourceMsmqServiceBehavior">
<endpoint address="msmq.formatname:DIRECT=OS:.\private$\DataImportQueue" binding="msmqIntegrationBinding" bindingConfiguration="IncomingMessageBinding" contract="MessageProcessor.IMsmqReceiverService" />
<endpoint address="msmq.formatname:DIRECT=OS:.\private$\DataExportQueue" binding="msmqIntegrationBinding" bindingConfiguration="IncomingMessageBinding" contract="MessageProcessor.IMsmqReceiverService" />
</service>
</services>
<behaviors>
<serviceBehaviors>
<behavior name="LowResourceMsmqServiceBehavior">
<serviceThrottling maxConcurrentCalls="50" />
</behavior>
<behavior name="HighResourceMsmqServiceBehavior">
<serviceThrottling maxConcurrentCalls="3" />
</behavior>
</serviceBehaviors>
</behaviors>
例合同:
[ServiceContract]
[ServiceKnownType(typeof(object))]
public interface IMsmqReceiverService
{
[OperationContract(IsOneWay = true, Action = "*")]
void Receive(MsmqMessage<object> message);
}
[ServiceBehavior(ConcurrencyMode = ConcurrencyMode.Single, InstanceContextMode = InstanceContextMode.PerCall)]
public abstract class TransactionalMsmqReceiverService : IMsmqReceiverService
{
[OperationBehavior(TransactionScopeRequired = true, TransactionAutoComplete = true)]
[TransactionFlow(TransactionFlowOption.Allowed)]
public void Receive(MsmqMessage<object> message)
{
// TODO: Handle multiple message types here
}
}
public sealed class LowResourceMsmqReceiverService : TransactionalMsmqReceiverService { }
public sealed class HighResourceMsmqReceiverService : TransactionalMsmqReceiverService { }