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* $Date: 2007-05-11 16:02:02 +0200 (Fri, 11 May 2007) $
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* Copyright (C) 2004-2007 The Chemistry Development Kit (CDK) project
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* Contact: cdk-devel@lists.sourceforge.net
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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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* 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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* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.openscience.cdk.isomorphism.matchers.smarts;
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import org.openscience.cdk.interfaces.IAtom;
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import org.openscience.cdk.CDKConstants;
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* This matcher any non-aromatic atom. This assumes that aromaticity in the
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* molecule has been perceived.
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public class AliphaticAtom extends SMARTSAtom {
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private static final long serialVersionUID = 5145049891214205622L;
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public AliphaticAtom() {
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setFlag(CDKConstants.ISALIPHATIC, true);
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public int getOperator() {
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public boolean matches(IAtom atom) {
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switch (getOperator()) {
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if (atom.getFlag(CDKConstants.ISAROMATIC))
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return (!atom.getFlag(CDKConstants.ISAROMATIC));
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public String toString() {
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return "AliphaticAtom()";