HashDocAttributeSet


1   /*
2    * @(#)HashDocAttributeSet.java 1.6 03/12/19
3    *
4    * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
5    * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6    */
7   
8   
9   package javax.print.attribute;
10  
11  import java.io.Serializable  ;
12  
13  /**
14   * Class HashDocAttributeSet provides an attribute set which 
15   * inherits its implementation from class {@link HashAttributeSet 
16   * HashAttributeSet} and enforces the semantic restrictions of interface {@link 
17   * DocAttributeSet DocAttributeSet}. 
18   * <P>
19   *
20   * @author  Alan Kaminsky
21   */
22  public class HashDocAttributeSet extends HashAttributeSet  
23      implements DocAttributeSet  , Serializable   {
24  
25      private static final long serialVersionUID = -1128534486061432528L;
26  
27      /**
28       * Construct a new, empty hash doc attribute set. 
29       */
30      public HashDocAttributeSet() {
31      super (DocAttribute  .class);
32      }
33  
34      /**
35       * Construct a new hash doc attribute set,
36       * initially populated with the given value. 
37       *
38       * @param  attribute  Attribute value to add to the set.
39       *
40       * @exception  NullPointerException
41       *     (unchecked exception) Thrown if <CODE>attribute</CODE> is null.
42       */
43      public HashDocAttributeSet(DocAttribute   attribute) {
44      super (attribute, DocAttribute  .class);
45      }
46  
47      /**
48       * Construct a new hash doc attribute set,
49       * initially populated with the values from the given array.
50       * The new attribute set is populated by 
51       * adding the elements of <CODE>attributes</CODE> array to the set in 
52       * sequence, starting at index 0. Thus, later array elements may replace 
53       * earlier array elements if the array contains duplicate attribute 
54       * values or attribute categories. 
55       *
56       * @param  attributes  Array of attribute values to add to the set.
57       *                     If null, an empty attribute set is constructed.
58       *
59       * @exception  NullPointerException
60       *  (unchecked exception)
61       * Thrown if any element of <CODE>attributes</CODE> is null. 
62       */
63      public HashDocAttributeSet(DocAttribute  [] attributes) {
64      super (attributes, DocAttribute  .class);
65      }
66  
67      /**
68       * Construct a new attribute set, initially populated with the
69       * values from the  given set where the members of the attribute set
70       * are restricted to the <code>DocAttribute</code> interface.
71       *
72       * @param  attributes set of attribute values to initialise the set. If
73       *                    null, an empty attribute set is constructed.
74       *
75       * @exception  ClassCastException
76       *     (unchecked exception) Thrown if any element of
77       * <CODE>attributes</CODE> is not an instance of
78       * <CODE>DocAttribute</CODE>. 
79       */
80      public HashDocAttributeSet(DocAttributeSet   attributes) {
81      super(attributes, DocAttribute  .class);
82      }   
83      
84  }
85
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