ModuleOption.h

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/*
 * $Revision: 2027 $
 * 
 * last checkin:
 *   $Author: gutwenger $ 
 *   $Date: 2010-09-01 11:55:17 +0200 (Wed, 01 Sep 2010) $ 
 ***************************************************************/
 
#ifdef _MSC_VER
#pragma once
#endif

#ifndef OGDF_MODULE_OPTION_H
#define OGDF_MODULE_OPTION_H


#include <ogdf/basic/basic.h>


namespace ogdf {


template<class M> class ModuleOption {

    M *m_pModule; 

public:
    ModuleOption() : m_pModule(0) { }

    // destruction
    ~ModuleOption() { delete m_pModule; }


    void set(M *pM) {
        delete m_pModule;
        m_pModule = pM;
    }

    bool valid() const { return m_pModule != 0; }


    M &get() { return *m_pModule; }
};


} // end namespace ogdf


#endif