| /* |
| * 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. |
| */ |
| #ifndef _ACTIVEMQ_CMSUTIL_DYNAMICDESTINATIONRESOLVER_H_ |
| #define _ACTIVEMQ_CMSUTIL_DYNAMICDESTINATIONRESOLVER_H_ |
| |
| #include <activemq/cmsutil/DestinationResolver.h> |
| #include <cms/Session.h> |
| #include <decaf/util/StlMap.h> |
| #include <activemq/util/Config.h> |
| |
| namespace activemq { |
| namespace cmsutil { |
| |
| /** |
| * Resolves a CMS destination name to a <code>Destination</code>. |
| */ |
| class AMQCPP_API DynamicDestinationResolver : public DestinationResolver { |
| private: |
| |
| /** |
| * Manages maps of names to topics and queues for a single session. |
| */ |
| class SessionResolver { |
| private: |
| |
| ResourceLifecycleManager* resourceLifecycleManager; |
| cms::Session* session; |
| decaf::util::StlMap<std::string, cms::Topic*> topicMap; |
| decaf::util::StlMap<std::string, cms::Queue*> queueMap; |
| |
| private: |
| |
| SessionResolver(const SessionResolver&); |
| SessionResolver& operator=(const SessionResolver&); |
| |
| public: |
| |
| SessionResolver(cms::Session* session, ResourceLifecycleManager* resourceLifecycleManager ) |
| : resourceLifecycleManager( resourceLifecycleManager ), |
| session( session ), |
| topicMap(), |
| queueMap() { |
| } |
| |
| virtual ~SessionResolver() {} |
| |
| cms::Topic* getTopic(const std::string& topicName); |
| |
| cms::Queue* getQueue(const std::string& queueName); |
| |
| }; |
| |
| /** |
| * Maps a given session to the resolver for that session. |
| */ |
| decaf::util::StlMap< cms::Session*, SessionResolver*> sessionResolverMap; |
| |
| /** |
| * Manages lifecycle of any allocated topics/queues. |
| */ |
| ResourceLifecycleManager* resourceLifecycleManager; |
| |
| private: |
| |
| DynamicDestinationResolver(const DynamicDestinationResolver&); |
| DynamicDestinationResolver& operator=(const DynamicDestinationResolver&); |
| |
| public: |
| |
| DynamicDestinationResolver(); |
| |
| virtual ~DynamicDestinationResolver(); |
| |
| virtual void init(ResourceLifecycleManager* mgr) { |
| |
| // since we're changing the lifecycle manager, clear out references |
| // to old resources. |
| destroy(); |
| |
| this->resourceLifecycleManager = mgr; |
| } |
| |
| virtual void destroy(); |
| |
| /** |
| * Resolves the given name to a destination. If |
| * <code>pubSubDomain</code> is true, a topic will be returned, |
| * otherwise a queue will be returned. |
| * |
| * @param session |
| * the session for which to retrieve resolve the |
| * destination. |
| * @param destName |
| * the name to be resolved. |
| * @param pubSubDomain |
| * If true, the name will be resolved to a Topic, |
| * otherwise a Queue. |
| * |
| * @return the resolved destination |
| * |
| * @throws cms::CMSException if resolution failed. |
| */ |
| virtual cms::Destination* resolveDestinationName(cms::Session* session, |
| const std::string& destName, |
| bool pubSubDomain); |
| |
| }; |
| |
| }} |
| |
| #endif /* _ACTIVEMQ_CMSUTIL_DYNAMICDESTINATIONRESOLVER_H_ */ |