Component.h

Go to the documentation of this file.

/*
 * Component.h
 *
 * Copyright (C) 2011 IBR, TU Braunschweig
 *
 * Written-by: Johannes Morgenroth <morgenroth@ibr.cs.tu-bs.de>
 *
 * Licensed 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 COMPONENT_H_
#define COMPONENT_H_

#include <ibrcommon/thread/Thread.h>
#include <ibrcommon/thread/Mutex.h>

namespace dtn
{
        namespace daemon
        {
                class Component
                {
                public:
                        virtual ~Component() = 0;

                        virtual void initialize() throw () = 0;

                        virtual void startup() throw () = 0;

                        virtual void terminate() throw () = 0;

                        virtual const std::string getName() const = 0;
                };

                class IndependentComponent : public Component, protected ibrcommon::JoinableThread
                {
                public:
                        IndependentComponent();
                        virtual ~IndependentComponent();

                        virtual void initialize() throw ();
                        virtual void startup() throw ();
                        virtual void terminate() throw ();

                protected:
                        void run() throw ();

                        virtual void __cancellation() throw () = 0;

                        virtual void componentUp() throw () = 0;

                        virtual void componentRun() throw () = 0;

                        virtual void componentDown() throw () = 0;
                };

                class IntegratedComponent : public Component
                {
                public:
                        IntegratedComponent();
                        virtual ~IntegratedComponent();

                        virtual void initialize() throw ();
                        virtual void startup() throw ();
                        virtual void terminate() throw ();

                protected:
                        virtual void componentUp() throw () = 0;
                        virtual void componentDown() throw () = 0;
                };
        }
}

#endif /* COMPONENT_H_ */