EventAttribute.h

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/* ========================================================================
 * Copyright (c) 2006,
 * Institute for Computer Graphics and Vision
 * Graz University of Technology
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
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 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ========================================================================
 * PROJECT: OpenTracker
 * ======================================================================== */
/* ======================================================================= */

#ifndef EVENTATTRIBUTE_HEADER
#define EVENTATTRIBUTE_HEADER

#include <iostream>
#include <string>

#include "EventAttributeBase.h"
#include "iostream_ext.h"

namespace ot
{
    template <class T>
    class EventAttribute : public EventAttributeBase
    {
        friend class Event;

    private:
        EventAttribute()
        {
            genericTypeName = translator.getGenericName(typeid(T).name());
        };
        EventAttribute(const T &initValue)
            : value(initValue)
        {
            genericTypeName = translator.getGenericName(typeid(T).name());
        };
        EventAttribute(const EventAttribute &rv)
        {
            *this = rv;
        };
        static EventAttributeBase* create()
        {
            return new EventAttribute<T>;
        };
        EventAttributeBase& operator=(const EventAttributeBase &rv)
        {
            const EventAttribute<T> *trueRv = dynamic_cast< const EventAttribute<T>* >(&rv);
            if (trueRv)
                value = trueRv->value;
            return *this;
        };
        void serialize(std::ostream &out)
        {
            out << value;
        };
        void deserialize(std::istream &in)
        {
            in >> value;
        };
        T& get()
        {
            return value;
        };
        const T& get() const
        {
            return value;
        };
        void set(const T &newValue)
        {
            value = newValue;
        };
        const std::type_info& getType() const
        {
            return typeid(T);
        };
        const std::string& getGenericTypeName() const
        {
            return genericTypeName;
        };

    private:
        T value;
        std::string genericTypeName;
    };

} // namespace ot

#endif

/* 
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 *   End of EventAttribute.h
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