/*
* This file is part of the GeoLatte project.
*
* GeoLatte 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 3 of the License, or
* (at your option) any later version.
*
* GeoLatte 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 GeoLatte. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright (C) 2010 - 2010 and Ownership of code is shared by:
* Qmino bvba - Romeinsestraat 18 - 3001 Heverlee (http://www.qmino.com)
* Geovise bvba - Generaal Eisenhowerlei 9 - 2140 Antwerpen (http://www.geovise.com)
*/
package org.geolatte.common.expressions;
/**
* <p>
* Abstract base class for comparison expression that operate on two boolean expressions.
* </p>
* <p>
* <i>Creation-Date</i>: 23-Jul-2010<br>
* <i>Creation-Time</i>: 14:55:21<br>
* </p>
*
* @author Bert Vanhooff
* @author <a href="http://www.qmino.com">Qmino bvba</a>
* @since SDK1.5
*/
public abstract class BooleanComparisonExpression extends BooleanExpression implements BinaryBooleanExpression<Boolean> {
private ComparableExpression<Boolean> left;
private ComparableExpression<Boolean> right;
/**
* Constructor for a boolean comparison expression
* @param left The left hand side expression.
* @param right The right hand side expression.
*/
protected BooleanComparisonExpression(ComparableExpression<Boolean> left, ComparableExpression<Boolean> right) {
this.left = left;
this.right = right;
}
/**
* The left hand side comparable expression (this returns a more specifically typed version of the {@link org.geolatte.common.expressions.BinaryBooleanExpression#getLeft()} method.
* @return The left hand side expression.
*/
public ComparableExpression<Boolean> getLeft() {
return left;
}
/**
* The right hand side comparable expression (this returns a more specifically typed version of the {@link org.geolatte.common.expressions.BinaryBooleanExpression#getRight()} method.
* @return The right hand side expression.
*/
public ComparableExpression<Boolean> getRight() {
return right;
}
}