EventMask.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;

import java.nio.channels.SelectionKey;

/**
 * Type of I/O event notifications I/O sessions can declare interest in.
 */
public interface EventMask {

    /**
     * Interest in data input.
     */
    public static final int READ = SelectionKey.OP_READ;

    /**
     * Interest in data output.
     */
    public static final int WRITE = SelectionKey.OP_WRITE;

    /**
     * Interest in data input/output.
     */
    public static final int READ_WRITE = READ | WRITE;

}