InterestOpEntry.java

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.ok2c.lightnio.impl;

import java.nio.channels.SelectionKey;

/**
 * Helper class, representing an entry on an {@link java.nio.channels.SelectionKey#interestOps(int)
 * interestOps(int)} queue.
 */
class InterestOpEntry {

    private final SelectionKey key;
    private final int eventMask;

    public InterestOpEntry(final SelectionKey key, int eventMask) {
        super();
        if (key == null) {
            throw new IllegalArgumentException("Selection key may not be null");
        }
        this.key = key;
        this.eventMask = eventMask;
    }

    public SelectionKey getSelectionKey() {
        return this.key;
    }

    public int getEventMask() {
        return this.eventMask;
    }

    @Override
    public boolean equals(Object obj) {
        return this.key.equals(obj);
    }

    @Override
    public int hashCode() {
        return this.key.hashCode();
    }

}