/*
 * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package javax.management;


/**
 * This class is used by the query-building mechanism to represent negations
 * of relational expressions.
 * @serial include
 *
 * @since 1.5
 */
class NotQueryExp extends QueryEval implements QueryExp {


 /* Serial version */
 private static final long serialVersionUID = 5269643775896723397L;

 /**
 * @serial The negated {@link QueryExp}
 */
 private QueryExp exp;


 /**
 * Basic Constructor.
 */
 public NotQueryExp() {
 }

 /**
 * Creates a new NotQueryExp for negating the specified QueryExp.
 */
 public NotQueryExp(QueryExp q) {
 exp = q;
 }


 /**
 * Returns the negated query expression of the query.
 */
 public QueryExp getNegatedExp() {
 return exp;
 }

 /**
 * Applies the NotQueryExp on a MBean.
 *
 * @param name The name of the MBean on which the NotQueryExp will be applied.
 *
 * @return True if the query was successfully applied to the MBean, false otherwise.
 *
 * @exception BadStringOperationException
 * @exception BadBinaryOpValueExpException
 * @exception BadAttributeValueExpException
 * @exception InvalidApplicationException
 */
 public boolean apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException,
 BadAttributeValueExpException, InvalidApplicationException {
 return exp.apply(name) == false;
 }

 /**
 * Returns the string representing the object.
 */
 @Override
 public String toString() {
 return "not (" + exp + ")";
 }
 }