/* $RCSfile$ * $Author: sushil_ronghe $ * $Date: 2007-04-22 16:33:39 +0200 (Sun, 22 Apr 2007) $ * $Revision: 8238 $ *  * Copyright (C) 2004-2007  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. *  * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU Lesser General Public License for more details. *  * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. */package org.openscience.cdk.isomorphism.matchers;import org.openscience.cdk.interfaces.IAtom;/** * @cdk.module extra */public class SymbolQueryAtom extends org.openscience.cdk.Atom implements IQueryAtom {        private static final long serialVersionUID = -5774610415273279451L;    private String ID;    private int HCount=0;    public SymbolQueryAtom() {}        public SymbolQueryAtom(IAtom atom) {        super(atom.getSymbol());    }    public void setHCount(int m_HCount){       HCount = m_HCount;    }        public boolean matches(IAtom atom) {        if(ID!=null && HCount==0)           return this.getSymbol()!=(atom.getSymbol());        else if(ID==null && HCount!=0){            return (this.getHydrogenCount()==HCount);        }        else             return this.getSymbol().equals(atom.getSymbol());    };    public void setOperator(String str){        ID = str;            }        public String toString() {		StringBuffer s = new StringBuffer();		s.append("SymbolQueryAtom(");		s.append(this.hashCode() + ", ");		s.append(getSymbol());		s.append(")");		return s.toString();    }}