/*
 * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 */

package com.sun.source.util;


/**
 * Provides a listener to monitor the activity of the JDK Java Compiler, javac.
 *
 * @author Jonathan Gibbons
 * @since 1.6
 */
public interface TaskListener
{
    /**
     * Invoked when an event has begun.
     *
     * @implSpec The default implementation of this method does nothing.
     *
     * @param e the event
     */
    default void started(TaskEvent e) { }

    /**
     * Invoked when an event has been completed.
     *
     * @implSpec The default implementation of this method does nothing.
     *
     * @param e the event
     */
    default void finished(TaskEvent e) { }
}