1 /*
2 * Copyright 2025 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 * https://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 io.netty.buffer;
17
18 import io.netty.util.internal.UnstableApi;
19
20 /**
21 * Information about an allocator chunk.
22 */
23 @UnstableApi
24 interface ChunkInfo {
25 /**
26 * The capacity of the chunk, in bytes.
27 */
28 int capacity();
29
30 /**
31 * {@code true} if the chunk contain native memory, otherwise {@code false}.
32 */
33 boolean isDirect();
34
35 /**
36 * The native memory address of the chunk, if any, otherwise zero.
37 */
38 long memoryAddress();
39 }