1 /*
2 * Copyright 2013 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.netty5.channel.group;
17
18
19 import io.netty5.channel.Channel;
20
21 /**
22 * Allows to only match some {@link Channel}'s for operations in {@link ChannelGroup}.
23 *
24 * {@link ChannelMatchers} provide you with helper methods for usual needed implementations.
25 */
26 public interface ChannelMatcher {
27
28 /**
29 * Returns {@code true} if the operation should be also executed on the given {@link Channel}.
30 */
31 boolean matches(Channel channel);
32 }