001/*
002 * ====================================================================
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *   http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied.  See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 * ====================================================================
020 *
021 * This software consists of voluntary contributions made by many
022 * individuals on behalf of the Apache Software Foundation.  For more
023 * information on the Apache Software Foundation, please see
024 * <http://www.apache.org/>.
025 *
026 */
027
028package org.apache.http.impl.nio.reactor;
029
030import java.nio.channels.SelectionKey;
031
032import org.apache.http.util.Args;
033
034/**
035 * Helper class, representing an entry on an {@link java.nio.channels.SelectionKey#interestOps(int)
036 * interestOps(int)} queue.
037 *
038 * @since 4.1
039 */
040class InterestOpEntry {
041
042    private final SelectionKey key;
043    private final int eventMask;
044
045    public InterestOpEntry(final SelectionKey key, final int eventMask) {
046        super();
047        Args.notNull(key, "Selection key");
048        this.key = key;
049        this.eventMask = eventMask;
050    }
051
052    public SelectionKey getSelectionKey() {
053        return this.key;
054    }
055
056    public int getEventMask() {
057        return this.eventMask;
058    }
059
060    @Override
061    public boolean equals(final Object obj) {
062        if (this == obj) {
063            return true;
064        }
065        if (obj instanceof InterestOpEntry) {
066            final InterestOpEntry that = (InterestOpEntry) obj;
067            return this.key.equals(that.key);
068        } else {
069            return false;
070        }
071    }
072
073    @Override
074    public int hashCode() {
075        return this.key.hashCode();
076    }
077
078}