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| 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 | + | |
| 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 | + @Override | |
| 104 | + public String toString() { | |
| 105 | + return "(" + exp1 + ") and (" + exp2 + ")"; | |
| 106 | + } | |
| 107 | +} | |