/*
* 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;
import java.util.Date;
/**
* <p>
* Abstract base class for Date comparison expressions.
* </p>
* <p>
* <i>Creation-Date</i>: 09-Aug-2010<br>
* <i>Creation-Time</i>: 17:30:10<br>
* </p>
*
* @author Bert Vanhooff
* @author <a href="http://www.qmino.com">Qmino bvba</a>
* @since SDK1.5
*/
public abstract class DateComparisonExpression extends BooleanTernaryDateExpression {
private ComparableExpression<Date> left;
private ComparableExpression<Date> lowDate;
private ComparableExpression<Date> highDate;
/**
* Constructs a DateComparisonExpression
* @param baseDate The date that is being compared to lowDate and highDate.
* @param lowDate The low date.
* @param highDate The high date.
*/
protected DateComparisonExpression(ComparableExpression<Date> baseDate, ComparableExpression<Date> lowDate, ComparableExpression<Date> highDate) {
super(baseDate, lowDate, highDate);
this.left = baseDate;
this.lowDate = lowDate;
this.highDate = highDate;
}
/**
* Gets the base date to compare to.
* This is the same as {@link org.geolatte.common.expressions.BooleanTernaryDateExpression#getFirst()}
* @return The base date.
*/
public ComparableExpression<Date> getBaseDate() {
return left;
}
/**
* Gets the low date.
* This is the same as {@link org.geolatte.common.expressions.BooleanTernaryDateExpression#getSecond()}
* @return The low date.
*/
public ComparableExpression<Date> getLowDate() {
return lowDate;
}
/**
* Gets the high date.
* This is the same as {@link org.geolatte.common.expressions.BooleanTernaryDateExpression#getThird()}
* @return The high date.
*/
public ComparableExpression<Date> getHighDate() {
return highDate;
}
}