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Diffstat (limited to 'cpp/lib/broker/TxPublish.h')
-rw-r--r-- | cpp/lib/broker/TxPublish.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/cpp/lib/broker/TxPublish.h b/cpp/lib/broker/TxPublish.h new file mode 100644 index 0000000000..2756addab7 --- /dev/null +++ b/cpp/lib/broker/TxPublish.h @@ -0,0 +1,79 @@ +/* + * + * 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 _TxPublish_ +#define _TxPublish_ + +#include <algorithm> +#include <functional> +#include <list> +#include <Deliverable.h> +#include <BrokerMessage.h> +#include <MessageStore.h> +#include <BrokerQueue.h> +#include <TxOp.h> + +namespace qpid { + namespace broker { + /** + * Defines the behaviour for publish operations on a + * transactional channel. Messages are routed through + * exchanges when received but are not at that stage delivered + * to the matching queues, rather the queues are held in an + * instance of this class. On prepare() the message is marked + * enqueued to the relevant queues in the MessagesStore. On + * commit() the messages will be passed to the queue for + * dispatch or to be added to the in-memory queue. + */ + class TxPublish : public TxOp, public Deliverable{ + class Prepare{ + TransactionContext* ctxt; + Message::shared_ptr& msg; + const std::string* const xid; + public: + Prepare(TransactionContext* ctxt, Message::shared_ptr& msg, const std::string* const xid); + void operator()(Queue::shared_ptr& queue); + }; + + class Commit{ + Message::shared_ptr& msg; + public: + Commit(Message::shared_ptr& msg); + void operator()(Queue::shared_ptr& queue); + }; + + Message::shared_ptr msg; + std::list<Queue::shared_ptr> queues; + + public: + TxPublish(Message::shared_ptr msg); + virtual bool prepare(TransactionContext* ctxt) throw(); + virtual void commit() throw(); + virtual void rollback() throw(); + + virtual void deliverTo(Queue::shared_ptr& queue); + + virtual ~TxPublish(){} + }; + } +} + + +#endif |