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DegreeAtom.java
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DegreeAtom.java
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/* $RCSfile$
* $Author$
* $Date$
* $Revision$
*
* 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.smarts;
import org.openscience.cdk.interfaces.IAtom;
import org.openscience.cdk.interfaces.IChemObjectBuilder;
/**
* This matcher checks the number of connections of the checked Atom
* with other Atom's. This cannot be matched with a unpreprocessed Atom!
*
* @cdk.module smarts
* @cdk.githash
* @cdk.keyword SMARTS
*/
public class DegreeAtom extends SMARTSAtom {
private static final long serialVersionUID = 2623272739045200480L;
public DegreeAtom(int charge, IChemObjectBuilder builder) {
super(builder);
setFormalCharge(charge);
}
/* (non-Javadoc)
* @see org.openscience.cdk.isomorphism.matchers.smarts.SMARTSAtom#matches(org.openscience.cdk.interfaces.IAtom)
*/
public boolean matches(IAtom atom) {
return atom.getFormalCharge() == this.getFormalCharge();
}
public String toString() {
StringBuffer s = new StringBuffer();
s.append("DegreeAtom(");
s.append(this.hashCode() + ", ");
s.append("D:" + getFormalCharge());
s.append(")");
return s.toString();
}
}