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
19 import io.netty.util.concurrent.Future;
20
21 /**
22 * {@link EventLoop} that allows to register / deregister {@link IoHandle} instances.
23 */
24 public interface IoEventLoop extends EventLoop, IoEventLoopGroup {
25
26 @Override
27 default IoEventLoop next() {
28 return this;
29 }
30
31 /**
32 * Register the {@link IoHandle} to the {@link EventLoop} for I/O processing.
33 *
34 * @param handle the {@link IoHandle} to register.
35 * @return the {@link Future} that is notified once the operations completes.
36 */
37 Future<IoRegistration> register(IoHandle handle);
38
39 // Force sub-classes to implement.
40 @Override
41 boolean isCompatible(Class<? extends IoHandle> handleType);
42
43 // Force sub-classes to implement.
44 @Override
45 boolean isIoType(Class<? extends IoHandler> handlerType);
46 }