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This GeoLatte-common library contains the transformer framework and other common classes used by other GeoLatte modules.

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/*
 * 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 .
 *
 * 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;

/**
 * 
 * Abstract base class for Date comparison expressions.
 * 
 * 
 * Creation-Date: 09-Aug-2010

 * Creation-Time:  17:30:10

 * 
 *
 * @author Bert Vanhooff
 * @author Qmino bvba
 * @since SDK1.5
 */
public abstract class DateComparisonExpression extends BooleanTernaryDateExpression {
    
    private ComparableExpression left;
    private ComparableExpression lowDate;
    private ComparableExpression 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 baseDate, ComparableExpression lowDate, ComparableExpression 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 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 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 getHighDate() {
        return highDate;
    }


}