| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1999-2003 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 negations |
| 31 | * of relational expressions. |
| 32 | * @serial include |
| 33 | * |
| 34 | * @since 1.5 |
| 35 | */ |
| 36 | class 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 | public String toString() { |
| 90 | return "not (" + exp + ")"; |
| 91 | } |
| 92 | |
| 93 | } |