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package javax.print.attribute.standard;

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

Class JobPriority is an integer valued printing attribute class that
specifies a print job's priority.

If a JobPriority attribute is specified for a Print Job, it specifies a
priority for scheduling the job. A higher value specifies a higher priority.
The value 1 indicates the lowest possible priority. The value 100 indicates
the highest possible priority. Among those jobs that are ready to print, a
printer must print all jobs with a priority value of n before printing
those with a priority value of n-1 for all n.

If the client does not specify a JobPriority attribute for a Print Job and
the printer does support the JobPriority attribute, the printer must use an
implementation-defined default JobPriority value.

The client can always specify any job priority value from 1 to 100 for a job.
However, a Print Service instance may support fewer than 100 different
job priority levels. If this is the case, the Print Service instance
automatically maps the client-specified job priority value to one of the
supported job priority levels, dividing the 100 job priority values equally
among the available job priority levels.

IPP Compatibility: The integer value gives the IPP integer value. The category name returned by getName() gives the IPP attribute name. 
Author:
 Alan Kaminsky/**
 * Class JobPriority is an integer valued printing attribute class that
 * specifies a print job's priority.
 * <P>
 * If a JobPriority attribute is specified for a Print Job, it specifies a
 * priority for scheduling the job. A higher value specifies a higher priority.
 * The value 1 indicates the lowest possible priority. The value 100 indicates
 * the highest possible priority. Among those jobs that are ready to print, a
 * printer must print all jobs with a priority value of <I>n</I> before printing
 * those with a priority value of <I>n</I>-1 for all <I>n.</I>
 * <P>
 * If the client does not specify a JobPriority attribute for a Print Job and
 * the printer does support the JobPriority attribute, the printer must use an
 * implementation-defined default JobPriority value.
 * <P>
 * The client can always specify any job priority value from 1 to 100 for a job.
 * However, a Print Service instance may support fewer than 100 different
 * job priority levels. If this is the case, the Print Service instance
 * automatically maps the client-specified job priority value to one of the
 * supported job priority levels, dividing the 100 job priority values equally
 * among the available job priority levels.
 * <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
 */
public final class JobPriority extends IntegerSyntax
    implements PrintRequestAttribute, PrintJobAttribute {

    private static final long serialVersionUID = -4599900369040602769L;

    
Construct a new job priority attribute with the given integer value.
Params:
value –  Integer value.
Throws:
IllegalArgumentException –  (Unchecked exception) Thrown if value is less than 1 or greater than 100./**
     * Construct a new job priority attribute with the given integer value.
     *
     * @param  value  Integer value.
     *
     * @exception  IllegalArgumentException
     *     (Unchecked exception) Thrown if {@code value} is less than 1
     *     or greater than 100.
     */
    public JobPriority(int value) {
        super (value, 1, 100);
    }

    
Returns whether this job priority attribute is equivalent to the passed
in object. To be equivalent, all of the following conditions must be
true:

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

    
Get the printing attribute class which is to be used as the "category"
for this printing attribute value.

For class JobPriority, the category is class JobPriority itself.
Returns:
 Printing attribute class (category), an instance of class java.lang.Class./**
     * Get the printing attribute class which is to be used as the "category"
     * for this printing attribute value.
     * <P>
     * For class JobPriority, the category is class JobPriority itself.
     *
     * @return  Printing attribute class (category), an instance of class
     *          {@link java.lang.Class java.lang.Class}.
     */
    public final Class<? extends Attribute> getCategory() {
        return JobPriority.class;
    }

    
Get the name of the category of which this attribute value is an
instance.
 For class JobPriority, the category name is "job-priority". 
Returns:
 Attribute category name./**
     * Get the name of the category of which this attribute value is an
     * instance.
     * <P>
     * For class JobPriority, the category name is {@code "job-priority"}.
     *
     * @return  Attribute category name.
     */
    public final String getName() {
        return "job-priority";
    }

}