/*
* EasyDriver is a library that let a programmer build queries easier
* than using plain JDBC.
* Copyright (C) 2011 Paolo Proni
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.byteliberi.easydriver.expressions;
import org.byteliberi.easydriver.ExpressionAPI;
import org.byteliberi.easydriver.TableField;
import org.byteliberi.easydriver.postgresql.Ilike;
/**
* This factory class creates a <code>like</code> operator
* which is case insensitive.
*
* @author Paolo Proni
* @since 1.0
* @version 1.0
*/
public class LikeCIFactory {
// TODO: the constructors should look for some property which describes the database in order to choose the proper implementation
/**
* Creates a new instance of the special case insensitive
* <code>LIKE</code> operator.
* @param field Field name lays at the left of the operator, a <code>?</code>
* is put at its right.
* @return case insensitive like operator.
*/
public static DualOperator newLikeCI(TableField<?> field) {
return new Ilike(field);
}
/**
* Creates a new instance of the special case insensitive
* <code>LIKE</code> operator.
*
* @param field Field name lays at the left of the operator.
* @param right String which lays at the right of the operator.
* @return case insensitive like operator.
*/
public static DualOperator newLikeCI(TableField<?> field, String right) {
return new Ilike(field, right);
}
/**
* Creates a new instance of the special case insensitive
* <code>LIKE</code> operator.
*
* @param left left String which lays at the left of the operator.
* @param right right String which lays at the right of the operator.
* @return case insensitive like operator.
*/
public static DualOperator newLikeCI(String left, String right) {
return new Ilike(left, right);
}
/**
* Creates a new instance of the special case insensitive
* <code>LIKE</code> operator.
*
* @param left Expression which lays at the left of the operator.
* @param right Expression which lays at the right of the operator.
* @return case insensitive like operator.
*/
public static DualOperator newLikeCI(ExpressionAPI left, ExpressionAPI right) {
return new Ilike(left, right);
}
}