1 /*
2 * Copyright 2012 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. 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, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package org.jboss.netty.util;
17
18 /**
19 * A common interface for a class which depends on external resources that
20 * need explicit release or shutdown.
21 * @apiviz.landmark
22 */
23 public interface ExternalResourceReleasable {
24
25 /**
26 * Releases the external resources that this object depends on. You should
27 * not call this method if the external resources (e.g. thread pool) are
28 * in use by other objects.
29 */
30 void releaseExternalResources();
31 }