src/main/activemq/util/ServiceSupport.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_UTIL_SERVICESUPPORT_H_
#define SERVICESUPPORT_H_

#include <activemq/util/Config.h>
#include <activemq/util/Service.h>

#include <decaf/util/concurrent/atomic/AtomicBoolean.h>
#include <decaf/util/concurrent/CopyOnWriteArrayList.h>

namespace activemq {
namespace util {

    class ServiceListener;
    class ServiceStopper;

    class AMQCPP_API ServiceSupport : public Service {
    private:

        decaf::util::concurrent::atomic::AtomicBoolean started;
        decaf::util::concurrent::atomic::AtomicBoolean stopping;
        decaf::util::concurrent::atomic::AtomicBoolean stopped;
        decaf::util::concurrent::CopyOnWriteArrayList<ServiceListener*> listemers;

    public:

        ServiceSupport(const ServiceSupport&);
        ServiceSupport& operator=(const ServiceSupport&);

    public:

        ServiceSupport();

        virtual ~ServiceSupport();

    public:

        static void dispose(Service* service);

        void start();

        void stop();

        bool isStarted() const;

        bool isStopping() const;

        bool isStopped() const;

        void addServiceListener(ServiceListener* listener);

        void removeServiceListener(ServiceListener* llistener);

    protected:

        virtual void doStop(ServiceStopper* stopper) = 0;

        virtual void doStart() = 0;

    };

}}

#endif /* _ACTIVEMQ_UTIL_SERVICESUPPORT_H_ */