/*
* 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);
}
}