org.apache.openjpa.kernel.exps.NotEqualExpression Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.openjpa.kernel.exps;
/**
* Expression that compares two others.
*
* @author Abe White
*/
class NotEqualExpression
extends CompareExpression {
/**
* Constructor. Supply values to compare.
*/
public NotEqualExpression(Val val1, Val val2) {
super(val1, val2);
}
protected boolean compare(Object o1, Object o2) {
return (o1 == null && o2 != null)
|| (o1 != null && !o1.equals(o2));
}
}