/*
* #!
* Ontopia Engine
* #-
* Copyright (C) 2001 - 2013 The Ontopia Project
* #-
* 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 net.ontopia.persistence.query.jdo;
/**
* INTERNAL: JDOQL method: !Object.equals(Object) (!=). Syntax: 'A != B'.
*/
public class JDONotEquals implements JDOExpressionIF {
protected JDOValueIF left;
protected JDOValueIF right;
public JDONotEquals(JDOValueIF left, JDOValueIF right) {
this.left = left;
this.right = right;
}
public int getType() {
return NOT_EQUALS;
}
public JDOValueIF getLeft() {
return left;
}
public JDOValueIF getRight() {
return right;
}
public int hashCode() {
return left.hashCode() + right.hashCode() + NOT_EQUALS;
}
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj instanceof JDONotEquals) {
JDONotEquals other = (JDONotEquals)obj;
return (left.equals(other.left) &&
right.equals(other.right));
}
return false;
}
public String toString() {
return left + " != " + right;
}
public void visit(JDOVisitorIF visitor) {
visitor.visitable(left);
visitor.visitable(right);
}
}