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/*
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 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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// Portions Copyright 2021 Payara Foundation and/or its affiliates.
package com.sun.enterprise.server.logging;

import java.util.Map;

/**
 * Event describing a log record being written to the log file.
 * This event is issued from the GFFileHandler. Interested parties
 * may register a LogEventListener with the GFFileHandler instance.
 * The GFFileHandler instance may be injected using hk2 mechanisms
 * to get a reference which can be used to register a LogEventListener.
 */
public interface LogEvent {

    /**
     * The formatted timestamp in the log event.
     * @return
     */
    public abstract String getTimestamp();

    /**
     * The message body including the stack trace of the associated Exception.
     * @return
     */
    public abstract String getMessage();

    /**
     * The name of the Level for this event. 
     * @return
     */
    public abstract String getLevel();

    /**
     * Logger name identifying the source of this event.
     * @return
     */
    public abstract String getLogger();

    /**
     * 
     * @return
     */
    public abstract int getLevelValue();

    /**
     * Integer value of the log Level.
     * @return
     */
    public abstract String getComponentId();

    /**
     * Raw timestamp in milliseconds.
     * @return
     */
    public abstract long getTimeMillis();

    /**
     * The message id for this log event.
     * @return
     */
    public abstract String getMessageId();

    /**
     * The thread ID where this log event originated.
     * @return
     */
    public abstract long getThreadId();

    /**
     * Thread name from where this log event originated.
     * @return
     */
    public abstract String getThreadName();

    /**
     * Optional name-value pairs associated with this log event.
     * @return
     */
    public abstract Map getSupplementalAttributes();

}