/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2009 - 2011, Open Source Geospatial Foundation (OSGeo)
*
* This library 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;
* version 2.1 of the License.
*
* This library 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.
*/
package org.geotools.filter.expression;
import org.geotools.Builder;
import org.geotools.factory.CommonFactoryFinder;
import org.opengis.filter.FilterFactory2;
import org.opengis.filter.expression.Multiply;
/**
*
*
* @source $URL$
*/
public class MultiplyBuilder implements Builder<Multiply> {
protected FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
boolean unset = false;
ChildExpressionBuilder<MultiplyBuilder> expr1;
ChildExpressionBuilder<MultiplyBuilder> expr2;
public MultiplyBuilder() {
reset();
}
public MultiplyBuilder(Multiply expression) {
reset(expression);
}
public MultiplyBuilder reset() {
unset = false;
expr1 = new ChildExpressionBuilder<MultiplyBuilder>(this);
expr2 = new ChildExpressionBuilder<MultiplyBuilder>(this);
return this;
}
public MultiplyBuilder reset(Multiply original) {
unset = false;
expr1 = new ChildExpressionBuilder<MultiplyBuilder>(this, original.getExpression1());
expr2 = new ChildExpressionBuilder<MultiplyBuilder>(this, original.getExpression2());
return this;
}
public MultiplyBuilder unset() {
unset = true;
expr1 = new ChildExpressionBuilder<MultiplyBuilder>(this).unset();
expr2 = null;
return this;
}
public Multiply build() {
if (unset) {
return null;
}
return ff.multiply(expr1.build(), expr2.build());
}
public ChildExpressionBuilder<MultiplyBuilder> expr1() {
return expr1();
}
public MultiplyBuilder expr1(Object literal) {
expr1.literal(literal);
return this;
}
public ChildExpressionBuilder<MultiplyBuilder> expr2() {
return expr2;
}
public MultiplyBuilder expr2(Object literal) {
expr2.literal(literal);
return this;
}
}