1 /***
2 * Copyright 2003-2010 Terracotta, Inc.
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.exceptionhandler;
18
19 import net.sf.ehcache.Ehcache;
20
21 import java.util.ArrayList;
22 import java.util.List;
23
24 /***
25 * A test handler, used to test the Exception handling mechanism
26 *
27 * @author <a href="mailto:gluck@gregluck.com">Greg Luck</a>
28 * @version $Id: CountingExceptionHandler.html 13146 2011-08-01 17:12:39Z oletizi $
29 */
30 public class CountingExceptionHandler implements CacheExceptionHandler {
31
32 /***
33 * the list of handled exceptions, static so you can get them without a reference
34 */
35 public static final List HANDLED_EXCEPTIONS = new ArrayList();
36
37 /***
38 * Called if an Exception occurs in a Cache method. This method is not called
39 * if an <code>Error</code> occurs.
40 *
41 * @param ehcache the cache in which the Exception occurred
42 * @param key the key used in the operation, or null if the operation does not use a key
43 * @param exception the exception caught
44 */
45 public void onException(Ehcache ehcache, Object key, Exception exception) {
46
47 HandledException handledException = new HandledException(ehcache, key, exception);
48 HANDLED_EXCEPTIONS.add(handledException);
49 }
50
51 /***
52 * Clear counter
53 */
54 public static void resetCounters() {
55 HANDLED_EXCEPTIONS.clear();
56 }
57
58 /***
59 * A value object for each exception handled
60 */
61 public static class HandledException {
62 private final Ehcache ehcache;
63 private final Object key;
64 private final Exception exception;
65
66 /***
67 * Constructor
68 *
69 * @param ehcache
70 * @param key
71 * @param exception
72 */
73 public HandledException(Ehcache ehcache, Object key, Exception exception) {
74 this.ehcache = ehcache;
75 this.key = key;
76 this.exception = exception;
77 }
78
79 /***
80 * @return
81 */
82 public Object getKey() {
83 return key;
84 }
85
86 /***
87 * @return underlying exception
88 */
89 public Exception getException() {
90 return exception;
91 }
92 }
93
94
95 }