| Line | Hits | Source |
|---|---|---|
| 1 | /* | |
| 2 | Chrysalis Web Framework [http://chrysalis.sourceforge.net] | |
| 3 | Copyright (c) 2002, 2003, 2004, Paul Strack | |
| 4 | ||
| 5 | All rights reserved. | |
| 6 | ||
| 7 | Redistribution and use in source and binary forms, with or without | |
| 8 | modification, are permitted provided that the following conditions are met: | |
| 9 | ||
| 10 | 1. Redistributions of source code must retain the above copyright notice, this | |
| 11 | list of conditions and the following disclaimer. | |
| 12 | ||
| 13 | 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 14 | this list of conditions and the following disclaimer in the documentation | |
| 15 | and/or other materials provided with the distribution. | |
| 16 | ||
| 17 | 3. Neither the name of the copyright holder nor the names of its contributors | |
| 18 | may be used to endorse or promote products derived from this software without | |
| 19 | specific prior written permission. | |
| 20 | ||
| 21 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | |
| 22 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 23 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 24 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR | |
| 25 | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 26 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 27 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
| 28 | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 29 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 30 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 31 | */ | |
| 32 | ||
| 33 | package org.chwf.resources; | |
| 34 | ||
| 35 | /** | |
| 36 | * A per-thread resource manager. The system must initialize this resource | |
| 37 | * manager before any managed resources are used. It is released after all | |
| 38 | * resource utilization is complete: | |
| 39 | * | |
| 40 | * <pre> | |
| 41 | * ResourceManager.init(); | |
| 42 | * // resource utilization ... | |
| 43 | * ResourceManager.release();</pre> | |
| 44 | * | |
| 45 | * Resource manager initialization and release is the responsibility of the | |
| 46 | * <i>System</i>, not developers. Developers should not interact with this | |
| 47 | * class at all, except for testing purposes. | |
| 48 | * | |
| 49 | * @author Paul Strack | |
| 50 | */ | |
| 51 | 1 | public class ResourceManager { |
| 52 | ||
| 53 | /** | |
| 54 | * True if management is initialized. | |
| 55 | * | |
| 56 | * @return True if management is initialized. | |
| 57 | */ | |
| 58 | public static boolean isInitialized() { | |
| 59 | 18 | return ResourceLocator.isManagementActive(); |
| 60 | } | |
| 61 | ||
| 62 | /** | |
| 63 | * Initialize resource management for this thread. Developers should not call | |
| 64 | * this method except for testing. | |
| 65 | * | |
| 66 | * @throws ResourceInitException If called while initialized. | |
| 67 | */ | |
| 68 | public static void init() throws ResourceInitException { | |
| 69 | 472 | ResourceLocator.init(); |
| 70 | 471 | } |
| 71 | ||
| 72 | /** | |
| 73 | * Release all managed resources, and terminate resource management for this | |
| 74 | * thread. Developers should not call this method except for testing. | |
| 75 | * | |
| 76 | * @param error Error status for the thread of execution (null if there were | |
| 77 | * no errors). | |
| 78 | * @throws ResourceException If there were failures during the release | |
| 79 | * operation. This is a chained exception; the full set of errors | |
| 80 | * can be retrieved via {@link ResourceException#getNextException()} | |
| 81 | * @throws ResourceInitException If called while not initialized. | |
| 82 | */ | |
| 83 | public static void release(Throwable error) | |
| 84 | throws ResourceException, ResourceInitException { | |
| 85 | 472 | ResourceLocator.release(error); |
| 86 | 469 | } |
| 87 | } |
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