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 * Represents an object which contains another object that needs to be taken
20 * into account by {@link ObjectSizeEstimator} for more accurate object size
21 * estimation.
22 */
23 public interface EstimatableObjectWrapper {
24
25 /**
26 * Returns the underlying object that needs to be taken into account
27 * by {@link ObjectSizeEstimator} for more accurate object size estimation.
28 */
29 Object unwrap();
30 }