ActiveMQSessionExecutor.h

Go to the documentation of this file.

/*
 * 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_CORE_ACTIVEMQSESSIONEXECUTOR_
#define ACTIVEMQ_CORE_ACTIVEMQSESSIONEXECUTOR_

#include <activemq/util/Config.h>
#include <activemq/core/MessageDispatchChannel.h>
#include <activemq/commands/ConsumerId.h>
#include <activemq/commands/MessageDispatch.h>
#include <activemq/threads/Task.h>
#include <activemq/threads/TaskRunner.h>
#include <decaf/lang/Pointer.h>

namespace activemq{
namespace core{
namespace kernels{
    class ActiveMQSessionKernel;
}

    using decaf::lang::Pointer;
    using activemq::commands::MessageDispatch;

    class ActiveMQConsumer;

    class AMQCPP_API ActiveMQSessionExecutor : activemq::threads::Task {
    private:

        activemq::core::kernels::ActiveMQSessionKernel* session;

        Pointer<MessageDispatchChannel> messageQueue;

        Pointer<activemq::threads::TaskRunner> taskRunner;

    private:

        ActiveMQSessionExecutor(const ActiveMQSessionExecutor&);
        ActiveMQSessionExecutor& operator=(const ActiveMQSessionExecutor&);

    public:

        ActiveMQSessionExecutor(activemq::core::kernels::ActiveMQSessionKernel* session);

        virtual ~ActiveMQSessionExecutor();

        virtual void execute(const Pointer<MessageDispatch>& data);

        virtual void executeFirst(const Pointer<MessageDispatch>& data);

        virtual void clearMessagesInProgress() {
            this->messageQueue->clear();
        }

        virtual bool hasUncomsumedMessages() const {
            return !messageQueue->isClosed() && messageQueue->isRunning() && !messageQueue->isEmpty();
        }

        virtual void wakeup();

        virtual void start();

        virtual void stop();

        virtual void close() {
            this->messageQueue->close();
        }

        virtual bool isRunning() const {
            return this->messageQueue->isRunning();
        }

        virtual bool isEmpty() {
            return messageQueue->isEmpty();
        }

        virtual void clear() {
            this->messageQueue->clear();
        }

        virtual bool iterate();

        std::vector< Pointer<MessageDispatch> > getUnconsumedMessages() {
            return messageQueue->removeAll();
        }

    private:

        virtual void dispatch(const Pointer<MessageDispatch>& data);

    };

}}

#endif /*ACTIVEMQ_CORE_ACTIVEMQSESSIONEXECUTOR_*/