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/* | 
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 * Copyright (C) 2000-2004  Object Oriented Parallel Simulation Engine (OOPSE) project | 
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 *  | 
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 * Contact: oopse@oopse.org | 
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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 Lesser General Public License | 
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 * as published by the Free Software Foundation; either version 2.1 | 
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 * of the License, or (at your option) any later version. | 
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 * All we ask is that proper credit is given for our work, which includes | 
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 * - but is not limited to - adding the above copyright notice to the beginning | 
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 * of your source code files, and to any copyright notice that you may distribute | 
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 * with programs based on this work. | 
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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 Lesser General Public License for more details. | 
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 *  | 
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 * You should have received a copy of the GNU Lesser 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  02111-1307, USA. | 
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 * | 
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 */ | 
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 | 
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namespace oopse { | 
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 | 
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SimSnapshotManager::SimSnapshotManager(){ | 
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    //allocate memory for snapshots | 
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    previousSnapshot_ = new Snapshot(); | 
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    currentSnapshot_ = new Snapshot(); | 
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} | 
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 | 
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bool SimSnapshotManager::advance() { | 
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 | 
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    *previousSnapshot_ = *currentSnapshot_; | 
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} | 
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 | 
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Snapshot* SimSnapshotManager::getSnapshot(int id) { | 
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    if (currentSnapshot_ != NULL && currentSnapshot_->getID() == id) { | 
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        return currentSnapshot_;         | 
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    } else if (previousSnapshot_!= NULL && previousSnapshot_->getID() == id) { | 
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        return previousSnapshot_; | 
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    } else { | 
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        return NULL; | 
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    } | 
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}     | 
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 | 
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int SimSnapshotManager::getCapacity() { | 
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    return 2; | 
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} | 
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 | 
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void SimSnapshotManager::setCapacity(int capacity); | 
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    //give warning message | 
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} //namespace oopse |