/* $Revision$ $Author$ $Date$
*
* 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.interfaces.IAtom;
import org.openscience.cdk.interfaces.IBond;
import org.openscience.cdk.isomorphism.matchers.IQueryBond;
/**
* This class matches a logical operator that connects two query bonds.
*
* @cdk.module smarts
* @cdk.githash
* @cdk.keyword SMARTS
*/
public class LogicalOperatorBond extends SMARTSBond {
private static final long serialVersionUID = 7508020488830371461L;
/**
* Left child
*/
private IQueryBond left;
/**
* Name of the operator
*/
private String operator;
/**
* Right child
*/
private IQueryBond right;
public IQueryBond getLeft() {
return left;
}
public String getOperator() {
return operator;
}
public IQueryBond getRight() {
return right;
}
public void setLeft(IQueryBond left) {
this.left = left;
}
public void setOperator(String name) {
this.operator = name;
}
public void setRight(IQueryBond right) {
this.right = right;
}
public boolean matches(IBond bond) {
boolean matchesLeft = left.matches(bond);
if (right != null) {
boolean matchesRight = right.matches(bond);
if ("and".equals(operator)) {
return matchesLeft && matchesRight;
} else if ("or".equals(operator)) {
return matchesLeft || matchesRight;
} else {
return false;
}
} else {
if ("not".equals(operator)) {
return (!matchesLeft);
} else {
return matchesLeft;
}
}
}
public void setAtoms(IAtom[] atoms) {
super.setAtoms(atoms);
((IBond)left).setAtoms(atoms);
if (right != null) ((IBond)right).setAtoms(atoms);
}
}