package com.actelion.research.chem.mcs;

import com.actelion.research.util.datamodel.IntVec;

/*
* Copyright (c) 1997 - 2016
* Actelion Pharmaceuticals Ltd.
* Gewerbestrasse 16
* CH-4123 Allschwil, Switzerland
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
*    list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
*    this list of conditions and the following disclaimer in the documentation
*    and/or other materials provided with the distribution.
* 3. Neither the name of the the copyright holder nor the
*    names of its contributors may be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
class MatchList {
	
	private int [] arrMatchListFragment;
	
	private IntVec ivMatchListMolecule;
	
	/**
	 * 
	 * @param nInteger array length in InrVec.
	 */
	public MatchList(int nInteger) {
		ivMatchListMolecule=new IntVec(nInteger);
	}
	
	public void reset(){
		ivMatchListMolecule.set(0);
		arrMatchListFragment=null;
	}
	
	public void set(int [] arrMatchListFragment) {
		this.arrMatchListFragment=arrMatchListFragment;
		
		for (int i = 0; i < arrMatchListFragment.length; i++) {
			ivMatchListMolecule.setBit(arrMatchListFragment[i]);
		}
		
		ivMatchListMolecule.calculateHashCode();
	}
	
	public int hashCode() {
		return ivMatchListMolecule.hashCode();
	}
	
	public boolean equals(Object obj) {
		
		MatchList ml = (MatchList)obj;
		
		return ivMatchListMolecule.equal(ml.ivMatchListMolecule);
	}
	
	public int [] getMatchListFragment(){
		return arrMatchListFragment;
	}

}