/*
* $RCSfile$
* $Author$
* $Date$
* $Revision$
*
* Copyright (C) 1997-2007 The Chemistry Development Kit (CDK) project
*
* Contact: cdk-devel@lists.sourceforge.net
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
* All we ask is that proper credit is given for our work, which includes
* - but is not limited to - adding the above copyright notice to the beginning
* of your source code files, and to any copyright notice that you may distribute
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* This program is distributed in the hope that it will be useful,
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package org.openscience.cdk.graph;
import java.util.Iterator;
import org.openscience.cdk.interfaces.IAtomContainer;
import org.openscience.cdk.interfaces.IBond;
/**
* This class allows to iterate trough the set of all possible
* permutations of the bond order in a given atom container.
* It allows to check for a dependency of algorithm results
* on the bond order.
*
* <p>The permutation code here is based on a pseudo code example
* on a tutorial site created and maintained by Phillip P. Fuchs:
* <a href="http://www.geocities.com/permute_it/pseudo2.html">http://www.geocities.com/permute_it/pseudo2.html</a>.
*
*@author steinbeck
* @cdk.githash
*@cdk.created 2005-05-04
*@cdk.keyword permutation
*/
public class AtomContainerBondPermutor extends AtomContainerPermutor
{
public AtomContainerBondPermutor(IAtomContainer ac)
{
setAtomContainer(ac);
N = atomContainer.getBondCount();
initBookkeeping();
initObjectArray();
}
public void initObjectArray() {
Iterator bonds = atomContainer.bonds().iterator();
objects = new Object[atomContainer.getBondCount()];
int i = 0;
while (bonds.hasNext()) {
objects[i] = bonds.next();
i++;
}
}
IAtomContainer makeResult()
{
IBond[] bonds = new IBond[objects.length];
for (int f = 0; f < objects.length; f++)
{
bonds[f] = ((IBond)objects[f]);
}
IAtomContainer ac = atomContainer.getBuilder().newAtomContainer(atomContainer);
ac.setBonds(bonds);
IAtomContainer clone = null;
try {
clone = (IAtomContainer)ac.clone();
} catch (CloneNotSupportedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return clone;
}
}