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/**
31 * This class is used by the query-building mechanism to represent
32 * disjunctions of relational expressions.
33 * @serial include
34 *
35 * @since 1.5
36 */
37class OrQueryExp extends QueryEval implements QueryExp {
38
39    /* Serial version */
40    private static final long serialVersionUID = 2962973084421716523L;
41
42    /**
43     * @serial The left query expression
44     */
45    private QueryExp exp1;
46
47    /**
48     * @serial The right query expression
49     */
50    private QueryExp exp2;
51
52
53    /**
54     * Basic Constructor.
55     */
56    public OrQueryExp() {
57    }
58
59    /**
60     * Creates a new OrQueryExp with the specified ValueExps
61     */
62    public OrQueryExp(QueryExp q1, QueryExp q2) {
63        exp1 = q1;
64        exp2 = q2;
65    }
66
67
68    /**
69     * Returns the left query expression.
70     */
71    public QueryExp getLeftExp() {
72        return exp1;
73    }
74
75    /**
76     * Returns the right query expression.
77     */
78    public QueryExp getRightExp() {
79        return exp2;
80    }
81
82    /**
83     * Applies the OrQueryExp on a MBean.
84     *
85     * @param name The name of the MBean on which the OrQueryExp will be applied.
86     *
87     * @return  True if the query was successfully applied to the MBean, false otherwise.
88     *
89     *
90     * @exception BadStringOperationException The string passed to the method is invalid.
91     * @exception BadBinaryOpValueExpException The expression passed to the method is invalid.
92     * @exception BadAttributeValueExpException The attribute value passed to the method is invalid.
93     */
94    public boolean apply(ObjectName name) throws BadStringOperationException,
95        BadBinaryOpValueExpException, BadAttributeValueExpException,
96        InvalidApplicationException {
97        return exp1.apply(name) || exp2.apply(name);
98    }
99
100    /**
101     * Returns a string representation of this OrQueryExp
102     */
103    @Override
104    public String toString() {
105        return "(" + exp1 + ") or (" + exp2 + ")";
106    }
107}
108