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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package javax.print.event;

import javax.print.PrintService;
import javax.print.attribute.AttributeSetUtilities;
import javax.print.attribute.PrintServiceAttributeSet;

Class PrintServiceAttributeEvent encapsulates an event a Print Service instance reports to let the client know of changes in the print service state. /**
 * Class {@code PrintServiceAttributeEvent} encapsulates an event a Print
 * Service instance reports to let the client know of changes in the print
 * service state.
 */
public class PrintServiceAttributeEvent extends PrintEvent {

    
Use serialVersionUID from JDK 1.4 for interoperability.
/**
     * Use serialVersionUID from JDK 1.4 for interoperability.
     */
    private static final long serialVersionUID = -7565987018140326600L;

    
The printing service attributes that changed.
/**
     * The printing service attributes that changed.
     */
    @SuppressWarnings("serial") // Not statically typed as Serializable
    private PrintServiceAttributeSet attributes;

    
Constructs a PrintServiceAttributeEvent object. 
Params:
source – the print job generating this event
attributes – the attribute changes being reported
Throws:
IllegalArgumentException – if source is null/**
     * Constructs a {@code PrintServiceAttributeEvent} object.
     *
     * @param  source the print job generating this event
     * @param  attributes the attribute changes being reported
     * @throws IllegalArgumentException if {@code source} is {@code null}
     */
    public PrintServiceAttributeEvent(PrintService source,
                                      PrintServiceAttributeSet attributes) {

        super(source);
        this.attributes = AttributeSetUtilities.unmodifiableView(attributes);
    }

    
Returns the print service.
Returns:
PrintService object/**
     * Returns the print service.
     *
     * @return {@code PrintService} object
     */
    public PrintService getPrintService() {

        return (PrintService) getSource();
    }

    
Determine the printing service attributes that changed and their new
values.
Returns:
attributes containing the new values for the service attributes
        that changed. The returned set may be unmodifiable./**
     * Determine the printing service attributes that changed and their new
     * values.
     *
     * @return attributes containing the new values for the service attributes
     *         that changed. The returned set may be unmodifiable.
     */
    public PrintServiceAttributeSet getAttributes() {

        return attributes;
    }
}