jni/commoncpp2-1.8.1-android/inc/cc++/objcount.h

// Copyright (C) 2001-2005 Open Source Telecom Corporation.
// Copyright (C) 2006-2010 David Sugar, Tycho Softworks.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// As a special exception to the GNU General Public License, permission is
// granted for additional uses of the text contained in its release
// of Common C++.
//
// The exception is that, if you link the Common C++ library with other
// files to produce an executable, this does not by itself cause the
// resulting executable to be covered by the GNU General Public License.
// Your use of that executable is in no way restricted on account of
// linking the Common C++ library code into it.
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// This exception does not however invalidate any other reasons why
// the executable file might be covered by the GNU General Public License.
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// name Common C++.  If you copy code from other releases into a copy of
// Common C++, as the General Public License permits, the exception does
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// anyone as to the status of such modified files, you must delete
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#ifndef CCXX_OBJCOUNT_H
#define CCXX_OBJCOUNT_H

#ifdef  CCXX_NAMESPACES
namespace ost {
#endif

/**
 * @file objcount.h
 * @short Template for object which holds self count of instances.
 **/

/**
 * Generic template class for creating classes which maintain an active
 * count of the number of instances currently in active use.  This is a
 * form of global reference count.
 *
 * @author David Sugar <dyfet@gnutelephony.org>
 * @short Object instance global reference count.
 */
template <class T>
class objCounter
{
protected:
    static unsigned objCount;

    inline objCounter() {++objCount;};
    inline virtual ~objCounter() {--objCount;};
};

template <class T>
unsigned objCounter<T>::objCount = 0;

#ifdef  CCXX_NAMESPACES
}
#endif

#endif