1 /*
2 * Copyright 2024 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.channel;
17
18 import io.netty.util.concurrent.ThreadAwareExecutor;
19
20 /**
21 * Factory for {@link IoHandler} instances.
22 */
23 public interface IoHandlerFactory {
24
25 /**
26 * Creates a new {@link IoHandler} instance.
27 *
28 * @param ioExecutor the {@link ThreadAwareExecutor} for the {@link IoHandler}.
29 * @return a new {@link IoHandler} instance.
30 */
31 IoHandler newHandler(ThreadAwareExecutor ioExecutor);
32
33 /**
34 * Returns {@code true} if it's supported that the {@link ThreadAwareExecutor} might change its {@link Thread}
35 * during the life-time of the {@link IoHandler} that can be created via {@link #newHandler(ThreadAwareExecutor)}.
36 * That said even if changing the {@link Thread} is supported it must be guaranteed that the access rules specified
37 * by {@link IoHandler} are not violated.
38 *
39 * @return {@code true} if changing is supported, {@code false} otherwise.
40 */
41 default boolean isChangingThreadSupported() {
42 return false;
43 }
44 }