/* JobImpressions.java -- 
   Copyright (C) 2003, 2005 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
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permission to link this library with independent modules to produce an
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package javax.print.attribute.standard;

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

/**
 * The <code>JobImpressions</code> printing attribute specifies
 * the total size in number of impressions of the documents
 * of a a print job. 
 * <p>
 * An impression is specified by the IPP specification as the image 
 * (possibly many print-stream pages in different configurations) 
 * imposed onto a single media sheet. This attribute must not include
 * a multiplication factor from the number of copies which maybe specified
 * in a Copies attribute.
 * </p>
 * <p>
 * This attribute belongs to a group of job size attributes which are 
 * describing the size of a job to be printed. The values supplied by
 * these attributes are intended to be used for routing and scheduling
 * of jobs on the print service. A client may specify these attributes.
 * If a clients supplies these attributes a print service may change
 * the values if its be able to compute a more accurate value at the
 * time of the job submission or also later.
 * </p>
 * <p>
 * <b>IPP Compatibility:</b> JobImpressions is an IPP 1.1 attribute.
 * </p>
 * @see javax.print.attribute.standard.JobKOctets
 * @see javax.print.attribute.standard.JobMediaSheets
 * 
 * @author Michael Koch
 */
public final class JobImpressions extends IntegerSyntax
  implements PrintJobAttribute, PrintRequestAttribute
{
  private static final long serialVersionUID = 8225537206784322464L;
  
  /**
   * Creates a <code>JobImpressions</code> object.
   *
   * @param value the number of impressions
   *
   * @exception IllegalArgumentException if value &lt; 0
   */
  public JobImpressions(int value)
  {
    super(value);

    if (value < 0)
      throw new IllegalArgumentException("value may not be less than 0");
  }
  
  /**
   * Tests if the given object is equal to this object.
   *
   * @param obj the object to test
   *
   * @return <code>true</code> if both objects are equal, 
   * <code>false</code> otherwise.
   */
  public boolean equals(Object obj)
  {
    if(! (obj instanceof JobImpressions))
      return false;

    return super.equals(obj);
  }

  /**
   * Returns category of this class.
   *
   * @return The class <code>JobImpressions</code> itself.
   */
  public Class getCategory()
  {
    return JobImpressions.class;
  }

  /**
   * Returns the name of this attribute.
   *
   * @return The name "job-impressions".
   */
  public String getName()
  {
    return "job-impressions";
  }
}