/**
* Copyright 1999-2009 The Pegadi Team
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.pegadi.sqlsearch;
/**
* This class implements the logical NEGATION operator on individual
* SearchTerms.
*
* @author Eirik Bjorsnos <bjorsnos@underdusken.no>
* @version $Revision$, $Date$
*/
public class NotTerm extends CompoundTerm implements java.io.Serializable {
/**
* Constructor that takes a SearchTerm to be negated.
*
* @param term the SearchTerm to be negated
*/
public NotTerm(SearchTerm term) {
super(term);
}
/**
* Returns this SearchTerm and it's child's part of the
* SQL WHERE clause.
*
* @return the WHERE clause
*/
public String whereClause() {
return "NOT (" + getTerms().get(0).whereClause() + ")";
}
}