1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 28 package org.apache.hc.core5.reactor; 29 30 import java.nio.channels.SelectionKey; 31 32 /** 33 * Type of I/O event notifications I/O sessions can declare interest in. 34 * 35 * @since 4.0 36 */ 37 public final class EventMask { 38 39 private EventMask() { 40 // no instances. 41 } 42 43 /** 44 * Interest in data input. 45 */ 46 public static final int READ = SelectionKey.OP_READ; 47 48 /** 49 * Interest in data output. 50 */ 51 public static final int WRITE = SelectionKey.OP_WRITE; 52 53 /** 54 * Interest in data input/output. 55 */ 56 public static final int READ_WRITE = READ | WRITE; 57 58 }