pagesperminute.java

java jdk 1.4的源码

/*
 * @(#)PagesPerMinute.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.PrintServiceAttribute;

/**
 * Class PagesPerMinute is an integer valued printing attribute that indicates 
 * the nominal number of pages per minute to the nearest whole number which may 
 * be generated by this printer (e.g., simplex, black-and-white). This attribute 
 * is informative, not a service guarantee. Generally, it is the value used in 
 * the marketing literature to describe the device. A value of 0 indicates a 
 * device that takes more than two minutes to process a page. 
 * <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 PagesPerMinute extends IntegerSyntax
	implements PrintServiceAttribute {

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

    /**
     * Returns whether this pages per minute 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 PagesPerMinute.
     * <LI>
     * This pages per minute 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 pages per
     *          minute attribute, false otherwise. 
     */
    public boolean equals(Object object) {
	return (super.equals (object) &&
		object instanceof PagesPerMinute);
    }

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

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

}