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Diffstat (limited to 'qpid/cpp/src/qpid/broker/Consumer.h')
-rw-r--r-- | qpid/cpp/src/qpid/broker/Consumer.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/broker/Consumer.h b/qpid/cpp/src/qpid/broker/Consumer.h new file mode 100644 index 0000000000..317338a8ad --- /dev/null +++ b/qpid/cpp/src/qpid/broker/Consumer.h @@ -0,0 +1,58 @@ +/* + * + * 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 _Consumer_ +#define _Consumer_ + +#include "qpid/broker/Message.h" +#include "qpid/broker/QueuedMessage.h" +#include "qpid/broker/OwnershipToken.h" + +namespace qpid { +namespace broker { + +class Queue; +class QueueListeners; + +class Consumer { + const bool acquires; + // inListeners allows QueueListeners to efficiently track if this instance is registered + // for notifications without having to search its containers + bool inListeners; + public: + typedef boost::shared_ptr<Consumer> shared_ptr; + + framing::SequenceNumber position; + + Consumer(bool preAcquires = true) : acquires(preAcquires), inListeners(false) {} + bool preAcquires() const { return acquires; } + virtual bool deliver(QueuedMessage& msg) = 0; + virtual void notify() = 0; + virtual bool filter(boost::intrusive_ptr<Message>) { return true; } + virtual bool accept(boost::intrusive_ptr<Message>) { return true; } + virtual OwnershipToken* getSession() = 0; + virtual ~Consumer(){} + friend class QueueListeners; +}; + +}} + + +#endif |