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/* * @(#)JobPriority.java 1.8 05/11/17 * * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ 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. * <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()</CODE> gives the IPP attribute * name. * <P> * * @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. * * @param value Integer value. * * @exception IllegalArgumentException * (Unchecked exception) Thrown if <CODE>value</CODE> 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: * <OL TYPE=1> * <LI> * <CODE>object</CODE> is not null. * <LI> * <CODE>object</CODE> is an instance of class JobPriority. * <LI> * This job priority attribute's value and <CODE>object</CODE>'s value * are equal. * </OL> * * @param object Object to compare to. * * @return True if <CODE>object</CODE> 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. * <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. * <P> * For class JobPriority, the category name is <CODE>"job-priority"</CODE>. * * @return Attribute category name. */ public final String getName() { return "job-priority"; } }