1 /**
2 * Copyright 2003-2007 Greg Luck
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package net.sf.ehcache.constructs.blocking;
18
19 import net.sf.ehcache.CacheException;
20
21
22 /**
23 * Indicates that a timeout has occured while attempting to obtain a lock using
24 * {@link net.sf.ehcache.constructs.concurrent.Mutex#attempt(long)}
25 * <p/>
26 * This is a normal runtime exception which should be handled by calling code.
27 * It is possible that simply reattempting to obtain the lock may succeed.
28 * Timeouts are often caused by overloaded resources.
29 * <p/>
30 * The frequency of these Exceptions may be reduced by increasing the timeout
31 * if appropriate.
32 * @author Greg Luck
33 * @version $Id: LockTimeoutException.java 512 2007-07-10 09:18:45Z gregluck $
34 */
35 public class LockTimeoutException extends CacheException {
36
37 /**
38 * Constructs a new runtime exception with <code>null</code> as its
39 * detail message. The cause is not initialized, and may subsequently be
40 * initialized by a call to {@link #initCause}.
41 */
42 public LockTimeoutException() {
43 super();
44 }
45
46 /**
47 * Constructs a new runtime exception with the specified detail message.
48 * The cause is not initialized, and may subsequently be initialized by a
49 * call to {@link #initCause}.
50 *
51 * @param message the detail message. The detail message is saved for
52 * later retrieval by the {@link #getMessage()} method.
53 */
54 public LockTimeoutException(String message) {
55 super(message);
56 }
57
58
59 /**
60 * Constructor for the LockTimeoutException object.
61 *
62 * @param message the exception detail message
63 * @param cause the cause of the exception which can later be retrieved with the {@link #getInitialCause()}
64 * method
65 */
66 public LockTimeoutException(String message, Throwable cause) {
67 super(message, cause);
68 }
69
70
71 }