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/*******************************************************************\ |
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|
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Copyright (C) 2003 Joseph Coffland |
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|
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This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
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02111-1307, USA. |
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|
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For information regarding this software email |
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jcofflan@users.sourceforge.net |
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|
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\*******************************************************************/ |
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|
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#ifndef UTILS_COUNTER_H |
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#define UTILS_COUNTER_H |
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|
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namespace OpenMD { |
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/** |
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* This class is used by SmartPointer to count |
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* pointer references. |
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*/ |
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class Counter { |
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long count; |
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|
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public: |
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Counter(const Counter &counter) : count(counter.count) {} |
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Counter(const long initialCount) : count(initialCount) {} |
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Counter() : count(0) {} |
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|
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/** |
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* Increment. |
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*/ |
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void inc() {count++;} |
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|
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/** |
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* Decrement. |
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* |
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* @return true if count != 0, false otherwise |
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*/ |
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bool dec() {count--; return count != 0;} |
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|
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/** |
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* Get the current count. |
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* |
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* @return The count. |
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*/ |
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long getCount() const {return count;} |
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}; |
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} |
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#endif |
