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/****************************************************************************
* Copyright (C) 2009-2015 EPAM Systems
*
* This file is part of Indigo toolkit.
*
* This file may be distributed and/or modified under the terms of the
* GNU General Public License version 3 as published by the Free Software
* Foundation and appearing in the file LICENSE.GPL included in the
* packaging of this file.
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
***************************************************************************/
#ifndef __obj_pool_h__
#define __obj_pool_h__
#include "base_cpp/pool.h"
namespace indigo {
template <typename T> class ObjPool
{
public:
ObjPool ()
{
}
~ObjPool ()
{
clear();
}
int add ()
{
int idx = _pool.add();
void *addr = &_pool[idx];
new (addr) T();
return idx;
}
template<typename A> int add (A &a)
{
int idx = _pool.add();
void *addr = &_pool[idx];
new (addr) T(a);
return idx;
}
template<typename A, typename B> int add (A &a, B &b)
{
int idx = _pool.add();
void *addr = &_pool[idx];
new (addr) T(a, b);
return idx;
}
void remove (int idx)
{
T &elem = _pool[idx];
elem.~T();
_pool.remove(idx);
}
int size () const
{
return _pool.size();
}
int begin () const
{
return _pool.begin();
}
int next (int i) const
{
return _pool.next(i);
}
int end () const
{
return _pool.end();
}
void clear ()
{
for (int i = _pool.begin(); i != _pool.end(); i = _pool.next(i))
_pool[i].~T();
_pool.clear();
}
bool hasElement(int idx) const
{
return _pool.hasElement(idx);
}
const T & operator [] (int index) const
{
return _pool[index];
}
T & operator [] (int index)
{
return _pool[index];
}
const T & at (int index) const
{
return (*this)[index];
}
T & at (int index)
{
return (*this)[index];
}
protected:
Pool<T> _pool;
private:
ObjPool (const ObjPool<T> & ); // no implicit copy
};
}
#endif
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