http://logback.qos.ch/logback-classic: logback-classic module (QOS.ch)
  • Ceki Gulcu
  • Joern Huxhorn 
Logback: the reliable, generic, fast and flexible logging framework.
Copyright (C) 1999-2015, QOS.ch. All rights reserved.
This program and the accompanying materials are dual-licensed under
either the terms of the Eclipse Public License v1.0 as published by
the Eclipse Foundation
  or (per the licensee's choosing)
under the terms of the GNU Lesser General Public License version 2.1
as published by the Free Software Foundation.

/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */
package ch.qos.logback.classic.pattern;

import ch.qos.logback.classic.spi.ILoggingEvent;
import java.util.concurrent.atomic.AtomicLong;


A converters based on a a locally incremented sequence number. The sequence number is
initialized to the number of milliseconds elapsed since 1970-01-01 until this instance
is initialized.


EXPERIMENTAL This class is experimental and may be removed in the future.

/**
 * A converters based on a a locally incremented sequence number. The sequence number is
 * initialized to the number of milliseconds elapsed since 1970-01-01 until this instance
 * is initialized.
 *
 * <p>
 * <b>EXPERIMENTAL</b> This class is experimental and may be removed in the future.
 *
 */
public class LocalSequenceNumberConverter extends ClassicConverter {

    AtomicLong sequenceNumber = new AtomicLong(System.currentTimeMillis());

    @Override
    public String convert(ILoggingEvent event) {
        return Long.toString(sequenceNumber.getAndIncrement());
    }
}