numberofinterveningjobs.java

java jdk 1.4的源码

/*
 * @(#)NumberOfInterveningJobs.java	1.4 03/01/23
 *
 * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package javax.print.attribute.standard;

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

/**
 * Class NumberOfInterveningJobs is an integer valued printing attribute that 
 * indicates the number of jobs that are ahead of this job in the relative 
 * chronological order of expected time to complete (i.e., the current 
 * scheduled order). 
 * <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 NumberOfInterveningJobs extends IntegerSyntax
    implements PrintJobAttribute {

    /**
     * Construct a new number of intervening jobs attribute with the given 
     * integer value. 
     *
     * @param  value  Integer value.
     *
     * @exception  IllegalArgumentException
     *   (Unchecked exception) Thrown if <CODE>value</CODE> is less than 0.
     */
    public NumberOfInterveningJobs(int value) {
	super(value, 0, Integer.MAX_VALUE);
    }

    /**
     * Returns whether this number of intervening jobs 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 NumberOfInterveningJobs.
     * <LI>
     * This number of intervening jobs 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 number of
     *          intervening jobs attribute, false otherwise. 
     */
    public boolean equals(Object object) {
	return (super.equals (object) &&
		object instanceof NumberOfInterveningJobs);
    }

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

    /**
     * Get the name of the category of which this attribute value is an 
     * instance. 
     * <P>
     * For class NumberOfInterveningJobs, the 
     * category name is <CODE>"number-of-intervening-jobs"</CODE>. 
     *
     * @return  Attribute category name.
     */
    public final String getName() {
	return "number-of-intervening-jobs";
    }
    
}