1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * https://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.pool2;
18
19 /**
20 * Pools that unavoidably swallow exceptions may be configured with an instance
21 * of this listener so the user may receive notification of when this happens.
22 * The listener should not throw an exception when called but pools calling
23 * listeners should protect themselves against exceptions anyway.
24 *
25 * @since 2.0
26 */
27 public interface SwallowedExceptionListener {
28
29 /**
30 * Notifies this instance every time the implementation unavoidably swallows
31 * an exception.
32 *
33 * @param e The exception that was swallowed
34 */
35 void onSwallowException(Exception e);
36 }