/* * 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 all Number expressions. Offers further concatenation operations such as {@link StringExpression#isGreaterThan(ComparableExpression)} and String specific {@link StringExpression#like(Expression)} and {@link StringExpression#notLike(Expression)}. * </p> * <p> * <i>Creation-Date</i>: 9-apr-2010<br> * <i>Creation-Time</i>: 11:48:54<br> * </p> * * @author Peter Rigole * @author Bert Vanhooff * @author <a href="http://www.qmino.com">Qmino bvba</a> * @since SDK1.5 */ public abstract class StringExpression implements Expression<String>, ComparableExpression<String> { /** * Creates a StringIsEqual expression from this expression (as left expression) and the given expression (as * the right expression). * * @param right The right expression. * @return A new StringIsEqual expression. */ public StringIsEqual isEqual(ComparableExpression<String> right) { return new StringIsEqual(this, right); } /** * Creates an StringIsGreaterThan expression from this expression (as left expression) and the given expression (as * the right expression). * * @param right The right expression. * @return A new StringIsGreaterThan binary expression. */ public StringIsGreaterThan isGreaterThan(ComparableExpression<String> right) { return new StringIsGreaterThan(this, right); } /** * Creates an StringIsGreaterThanOrEqual expression from this expression (as left expression) and the given expression (as * the right expression). * * @param right The right expression. * @return A new StringIsGreaterThanOrEqual binary expression. */ public StringIsGreaterThanOrEqual isGreaterThanOrEqual(ComparableExpression<String> right) { return new StringIsGreaterThanOrEqual(this, right); } /** * Creates an is less than expression from this expression (as left expression) and the given expression (as * the right expression). * * @param right The right expression. * @return A new StringIsLessThan binary expression. */ public StringIsLessThan lessThan(ComparableExpression<String> right) { return new StringIsLessThan(this, right); } /** * Creates an StringIsLessThanOrEqual expression from this expression (as left expression) and the given expression (as * the right expression). * * @param right The right expression. * @return A new StringIsLessThanOrEqual binary expression. */ public StringIsLessThanOrEqual isLessThanOrEqual(ComparableExpression<String> right) { return new StringIsLessThanOrEqual(this, right); } /** * Creates an StringIsNotEqual expression from this expression (as left expression) and the given expression (as * the right expression). * * @param right The right expression. * @return A new StringIsNotEqual binary expression. */ public StringIsNotEqual isNotEqual(ComparableExpression<String> right) { return new StringIsNotEqual(this, right); } /** * Creates a new Like expression based on this expression (on the left side) and the given expression (on the * right side). * * @param right The right side of the expression. * @return A new Like expression. */ public Like like(Expression<String> right) { return new Like(this, right); } /** * Creates a new NotLike expression based on this expression (on the left side) and the given expression (on the * right side). * * @param right The right side of the expression. * @return A new NotLike expression. */ public NotLike notLike(Expression<String> right) { return new NotLike(this, right); } public int compareTo(Object evaluateObject, String value) { String thisString = evaluate(evaluateObject); return thisString.compareTo(value); } public void switchOn(BasicTypeSwitch switcher) { switcher.caseString(this); } }