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RingBond.java

/* $Revision$ $Author$ $Date$ 
 *
 * Copyright (C) 2004-2007  The Chemistry Development Kit (CDK) project
 *
 * This library 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 library 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 library; if not, write to the Free Software
 * Foundation, 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 * (or see http://www.gnu.org/copyleft/lesser.html)
 */
package org.openscience.cdk.isomorphism.matchers.smarts;

import org.openscience.cdk.CDKConstants;
import org.openscience.cdk.interfaces.IBond;

/**
 * This smarts bond matches any bond that is in a ring.
 *
 * @cdk.module  smarts
 * @cdk.githash
 * @cdk.keyword SMARTS 
 */
00032 public class RingBond extends SMARTSBond {
00033       private static final long serialVersionUID = -8670609649648985629L;
      
      /**
       * Creates a new instance
       *
       */
00039       public RingBond() {
            this.setFlag(CDKConstants.ISINRING, true);
      }

      /* (non-Javadoc)
       * @see org.openscience.cdk.isomorphism.matchers.smarts.SMARTSBond#matches(org.openscience.cdk.interfaces.IBond)
       */
00046       public boolean matches(IBond bond) {
        return bond.getFlag(CDKConstants.ISINRING);
    }
}

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