View Javadoc
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    *      http://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  }