JDK14/Java14源码在线阅读

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.
 *
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package javax.print.attribute.standard;

import javax.print.attribute.Attribute;
import javax.print.attribute.IntegerSyntax;
import javax.print.attribute.PrintJobAttribute;

/**
 * Class {@code JobImpressionsCompleted} is an integer valued printing attribute
 * class that specifies the number of impressions completed for the job so far.
 * For printing devices, the impressions completed includes interpreting,
 * marking, and stacking the output.
 * <p>
 * The {@code JobImpressionsCompleted} attribute describes the progress of the
 * job. This attribute is intended to be a counter. That is, the
 * {@code JobImpressionsCompleted} value for a job that has not started
 * processing must be 0. When the job's {@link JobState JobState} is
 * {@code PROCESSING} or {@code PROCESSING_STOPPED}, the
 * {@code JobImpressionsCompleted} value is intended to increase as the job is
 * processed; it indicates the amount of the job that has been processed at the
 * time the Print Job's attribute set is queried or at the time a print job
 * event is reported. When the job enters the {@code COMPLETED},
 * {@code CANCELED}, or {@code ABORTED} states, the
 * {@code JobImpressionsCompleted} value is the final value for the job.
 * <p>
 * <b>IPP Compatibility:</b> The integer value gives the IPP integer value. The
 * category name returned by {@code getName()} gives the IPP attribute name.
 *
 * @author Alan Kaminsky
 * @see JobImpressions
 * @see JobImpressionsSupported
 * @see JobKOctetsProcessed
 * @see JobMediaSheetsCompleted
 */
public final class JobImpressionsCompleted extends IntegerSyntax
        implements PrintJobAttribute {

    /**
     * Use serialVersionUID from JDK 1.4 for interoperability.
     */
    private static final long serialVersionUID = 6722648442432393294L;

    /**
     * Construct a new job impressions completed attribute with the given
     * integer value.
     *
     * @param  value Integer value
     * @throws IllegalArgumentException if {@code value} is negative
     */
    public JobImpressionsCompleted(int value) {
        super (value, 0, Integer.MAX_VALUE);
    }

    /**
     * Returns whether this job impressions completed attribute is equivalent tp
     * the passed in object. To be equivalent, all of the following conditions
     * must be true:
     * <ol type=1>
     *   <li>{@code object} is not {@code null}.
     *   <li>{@code object} is an instance of class
     *   {@code JobImpressionsCompleted}.
     *   <li>This job impressions completed attribute's value and
     *   {@code object}'s value are equal.
     * </ol>
     *
     * @param  object {@code Object} to compare to
     * @return {@code true} if {@code object} is equivalent to this job
     *         impressions completed attribute, {@code false} otherwise
     */
    public boolean equals(Object object) {
        return(super.equals (object) &&
               object instanceof JobImpressionsCompleted);
    }

    /**
     * Get the printing attribute class which is to be used as the "category"
     * for this printing attribute value.
     * <p>
     * For class {@code JobImpressionsCompleted}, the category is class
     * {@code JobImpressionsCompleted} itself.
     *
     * @return printing attribute class (category), an instance of class

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