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 * Copyright (c) 2000, 2017, 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 javax.print.event;

/**
 * Implementations of this listener interface should be attached to a
 * {@link javax.print.DocPrintJob DocPrintJob} to monitor the status of the
 * printer job. These callback methods may be invoked on the thread processing
 * the print job, or a service created notification thread. In either case the
 * client should not perform lengthy processing in these callbacks.
 */
public interface PrintJobListener {

    /**
     * Called to notify the client that data has been successfully transferred
     * to the print service, and the client may free local resources allocated
     * for that data. The client should not assume that the data has been
     * completely printed after receiving this event. If this event is not
     * received the client should wait for a terminal event
     * (completed/canceled/failed) before freeing the resources.
     *
     * @param  pje the job generating this event
     */
    public void printDataTransferCompleted(PrintJobEvent pje) ;

    /**
     * Called to notify the client that the job completed successfully.
     *
     * @param  pje the job generating this event
     */
    public void printJobCompleted(PrintJobEvent pje) ;

    /**
     * Called to notify the client that the job failed to complete successfully
     * and will have to be resubmitted.
     *
     * @param  pje the job generating this event
     */
    public void printJobFailed(PrintJobEvent pje) ;

    /**
     * Called to notify the client that the job was canceled by a user or a
     * program.
     *
     * @param  pje the job generating this event
     */
    public void printJobCanceled(PrintJobEvent pje) ;

    /**
     * Called to notify the client that no more events will be delivered. One
     * cause of this event being generated is if the job has successfully
     * completed, but the printing system is limited in capability and cannot
     * verify this. This event is required to be delivered if none of the other
     * terminal events (completed/failed/canceled) are delivered.
     *
     * @param  pje the job generating this event
     */
    public void printJobNoMoreEvents(PrintJobEvent pje) ;

    /**
     * Called to notify the client that an error has occurred that the user
     * might be able to fix. One example of an error that can generate this
     * event is when the printer runs out of paper.
     *
     * @param  pje the job generating this event
     */
    public void printJobRequiresAttention(PrintJobEvent pje) ;
}