SessionHandle.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 com.ok2c.lightnio.IOSession;

/**
 * Session handle class used by I/O reactor implementations to keep a reference
 * to a {@link IOSession} along with information about time of last I/O
 * operations on that session.
 */
public class SessionHandle {

    private final IOSession session;
    private final long startedTime;

    private long lastReadTime;
    private long lastWriteTime;
    private long lastAccessTime;

    public SessionHandle(final IOSession session) {
        super();
        if (session == null) {
            throw new IllegalArgumentException("Session may not be null");
        }
        this.session = session;
        long now = System.currentTimeMillis();
        this.startedTime = now;
        this.lastReadTime = now;
        this.lastWriteTime = now;
        this.lastAccessTime = now;
    }

    public IOSession getSession() {
        return this.session;
    }

    public long getStartedTime() {
        return this.startedTime;
    }

    public long getLastReadTime() {
        return this.lastReadTime;
    }

    public long getLastWriteTime() {
        return this.lastWriteTime;
    }

    public long getLastAccessTime() {
        return this.lastAccessTime;
    }

    public void resetLastRead() {
        long now = System.currentTimeMillis();
        this.lastReadTime = now;
        this.lastAccessTime = now;
    }

    public void resetLastWrite() {
        long now = System.currentTimeMillis();
        this.lastWriteTime = now;
        this.lastAccessTime = now;
    }

}