1 /* $HeadURL:: $
2 * $Id$
3 *
4 * Copyright (c) 2009-2010 DuraSpace
5 * http://duraspace.org
6 *
7 * In collaboration with Topaz Inc.
8 * http://www.topazproject.org
9 *
10 * Licensed under the Apache License, Version 2.0 (the "License");
11 * you may not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS,
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
21 */
22 package org.akubraproject.txn;
23
24 import java.net.URI;
25 import org.akubraproject.AkubraBlobException;
26
27 /**
28 * This exception is thrown by a transactional blob store when the same blob is created, deleted,
29 * or modified by two separate concurrent transactions.
30 *
31 * @author Ronald Tschalär
32 */
33 public class ConcurrentBlobUpdateException extends AkubraBlobException {
34 public static final long serialVersionUID = 1L;
35
36 /**
37 * Exception indicating there is duplicate blob in the store associated with the blob-id.
38 *
39 * @param blobId the blob-id
40 */
41 public ConcurrentBlobUpdateException(URI blobId) {
42 this(blobId, "Concurrent modification of blob with id = '" + blobId + "'", null);
43 }
44
45 /**
46 * Exception indicating there is duplicate blob in the store associated with the blob-id.
47 *
48 * @param blobId the blob-id
49 * @param msg the details about the exception
50 */
51 public ConcurrentBlobUpdateException(URI blobId, String msg) {
52 this(blobId, msg, null);
53 }
54
55 /**
56 * Exception indicating there is duplicate blob in the store associated with the blob-id.
57 *
58 * @param blobId the blob-id
59 * @param msg the details about the exception
60 * @param cause the underlying exception that caused this exception
61 */
62 public ConcurrentBlobUpdateException(URI blobId, String msg, Throwable cause) {
63 super(blobId, msg, cause);
64 }
65 }