/*

 * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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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 + ")";

    }

 }