1/*
2 * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package javax.management;
27
28
29/**
30 * This class is used by the query-building mechanism to represent negations
31 * of relational expressions.
32 * @serial include
33 *
34 * @since 1.5
35 */
36class NotQueryExp extends QueryEval implements QueryExp {
37
38
39    /* Serial version */
40    private static final long serialVersionUID = 5269643775896723397L;
41
42    /**
43     * @serial The negated {@link QueryExp}
44     */
45    private QueryExp exp;
46
47
48    /**
49     * Basic Constructor.
50     */
51    public NotQueryExp() {
52    }
53
54    /**
55     * Creates a new NotQueryExp for negating the specified QueryExp.
56     */
57    public NotQueryExp(QueryExp q) {
58        exp = q;
59    }
60
61
62    /**
63     * Returns the negated query expression of the query.
64     */
65    public QueryExp getNegatedExp()  {
66        return exp;
67    }
68
69    /**
70     * Applies the NotQueryExp on a MBean.
71     *
72     * @param name The name of the MBean on which the NotQueryExp will be applied.
73     *
74     * @return  True if the query was successfully applied to the MBean, false otherwise.
75     *
76     * @exception BadStringOperationException
77     * @exception BadBinaryOpValueExpException
78     * @exception BadAttributeValueExpException
79     * @exception InvalidApplicationException
80     */
81    public boolean apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException,
82        BadAttributeValueExpException, InvalidApplicationException  {
83        return exp.apply(name) == false;
84    }
85
86    /**
87     * Returns the string representing the object.
88     */
89    @Override
90    public String toString()  {
91        return "not (" + exp + ")";
92    }
93 }
94