| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1999-2004 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package javax.management; |
| 27 | |
| 28 | |
| 29 | /** |
| 30 | * This class is used by the query building mechanism to represent conjunctions |
| 31 | * of relational expressions. |
| 32 | * @serial include |
| 33 | * |
| 34 | * @since 1.5 |
| 35 | */ |
| 36 | class AndQueryExp extends QueryEval implements QueryExp { |
| 37 | |
| 38 | /* Serial version */ |
| 39 | private static final long serialVersionUID = -1081892073854801359L; |
| 40 | |
| 41 | /** |
| 42 | * @serial The first QueryExp of the conjunction |
| 43 | */ |
| 44 | private QueryExp exp1; |
| 45 | |
| 46 | /** |
| 47 | * @serial The second QueryExp of the conjunction |
| 48 | */ |
| 49 | private QueryExp exp2; |
| 50 | |
| 51 | |
| 52 | /** |
| 53 | * Default constructor. |
| 54 | */ |
| 55 | public AndQueryExp() { |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Creates a new AndQueryExp with q1 and q2 QueryExp. |
| 60 | */ |
| 61 | public AndQueryExp(QueryExp q1, QueryExp q2) { |
| 62 | exp1 = q1; |
| 63 | exp2 = q2; |
| 64 | } |
| 65 | |
| 66 | |
| 67 | /** |
| 68 | * Returns the left query expression. |
| 69 | */ |
| 70 | public QueryExp getLeftExp() { |
| 71 | return exp1; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Returns the right query expression. |
| 76 | */ |
| 77 | public QueryExp getRightExp() { |
| 78 | return exp2; |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Applies the AndQueryExp on a MBean. |
| 83 | * |
| 84 | * @param name The name of the MBean on which the AndQueryExp will be applied. |
| 85 | * |
| 86 | * @return True if the query was successfully applied to the MBean, false otherwise. |
| 87 | * |
| 88 | * |
| 89 | * @exception BadStringOperationException The string passed to the method is invalid. |
| 90 | * @exception BadBinaryOpValueExpException The expression passed to the method is invalid. |
| 91 | * @exception BadAttributeValueExpException The attribute value passed to the method is invalid. |
| 92 | * @exception InvalidApplicationException An attempt has been made to apply a subquery expression to a |
| 93 | * managed object or a qualified attribute expression to a managed object of the wrong class. |
| 94 | */ |
| 95 | public boolean apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException, |
| 96 | BadAttributeValueExpException, InvalidApplicationException { |
| 97 | return exp1.apply(name) && exp2.apply(name); |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Returns a string representation of this AndQueryExp |
| 102 | */ |
| 103 | public String toString() { |
| 104 | return "(" + exp1 + ") and (" + exp2 + ")"; |
| 105 | } |
| 106 | |
| 107 | } |