/**
*
* Copyright (c) 2009-2016 Freedomotic team http://freedomotic.com
*
* This file is part of Freedomotic
*
* This Program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2, 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* Freedomotic; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*/
package com.freedomotic.rules;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author Enrico Nicoletti
*/
public class LessThan extends BinaryExpression {
private static final String OPERATOR = Statement.LESS_THAN;
private static final Logger LOG = LoggerFactory.getLogger(LessThan.class.getName());
@Override
public String getOperand() {
return OPERATOR;
}
public LessThan(String left, String right) {
super(left, right);
}
@Override
public Boolean evaluate() {
try {
Integer intRightValue = new Integer(getRight());
Integer intLeftValue = new Integer(getLeft());
return intLeftValue < intRightValue;
} catch (NumberFormatException nfe) {
LOG.warn(Statement.LESS_THAN + " operator can be applied only to integer values");
return false;
}
}
}