1 /* 2 * Copyright 2022 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; 17 18 /** 19 * A handle that will process I/O. 20 */ 21 public interface IoHandle { 22 23 /** 24 * Return true if registered already. 25 * 26 * @return {@code true} if registered, {@code false} otherwise 27 */ 28 boolean isRegistered(); 29 }