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1   /*
2    * Portions of this software was developed by employees of the National Institute
3    * of Standards and Technology (NIST), an agency of the Federal Government and is
4    * being made available as a public service. Pursuant to title 17 United States
5    * Code Section 105, works of NIST employees are not subject to copyright
6    * protection in the United States. This software may be subject to foreign
7    * copyright. Permission in the United States and in foreign countries, to the
8    * extent that NIST may hold copyright, to use, copy, modify, create derivative
9    * works, and distribute this software and its documentation without fee is hereby
10   * granted on a non-exclusive basis, provided that this notice and disclaimer
11   * of warranty appears in all copies.
12   *
13   * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
14   * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
15   * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
16   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
17   * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
18   * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
19   * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
20   * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
21   * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
22   * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
23   * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
24   * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
25   */
26  
27  package gov.nist.secauto.oscal.lib.profile.resolver.support;
28  
29  import gov.nist.secauto.metaschema.model.common.metapath.item.IRequiredValueModelNodeItem;
30  
31  import java.net.URI;
32  
33  import edu.umd.cs.findbugs.annotations.NonNull;
34  
35  public interface IEntityItem {
36  
37    enum ItemType {
38      ROLE(false),
39      LOCATION(true),
40      PARTY(true),
41      GROUP(false),
42      CONTROL(false),
43      PART(false),
44      PARAMETER(false),
45      RESOURCE(true);
46  
47      private final boolean uuid;
48  
49      ItemType(boolean isUuid) {
50        this.uuid = isUuid;
51      }
52  
53      public boolean isUuid() {
54        return uuid;
55      }
56    }
57  
58    /**
59     * Get the identifier originally assigned to this entity.
60     * <p>
61     * If the identifier value was reassigned, the return value of this method will
62     * be different than value returned by {@link #getIdentifier()}. In such cases,
63     * a call to {@link #isIdentifierReassigned()} is expected to return
64     * {@code true}.
65     * <p>
66     * If the value was not reassigned, the return value of this method will be the
67     * same value returned by {@link #getIdentifier()}. In this case,
68     * {@link #isIdentifierReassigned()} is expected to return {@code false}.
69     *
70     * @return the original identifier value before reassignment
71     */
72    @NonNull
73    String getOriginalIdentifier();
74  
75    /**
76     * Get the entity's current identifier value.
77     *
78     * @return the identifier value
79     */
80    @NonNull
81    String getIdentifier();
82  
83    /**
84     * Determine if the identifier was reassigned.
85     *
86     * @return {@code true} if the identifier was reassigned, or {@code false}
87     *         otherwise
88     */
89    boolean isIdentifierReassigned();
90  
91    @NonNull
92    IRequiredValueModelNodeItem getInstance();
93  
94    void setInstance(@NonNull IRequiredValueModelNodeItem item);
95  
96    @NonNull
97    <T> T getInstanceValue();
98  
99    @NonNull
100   ItemType getItemType();
101 
102   URI getSource();
103 
104   int getReferenceCount();
105 
106   void incrementReferenceCount();
107 
108   int resetReferenceCount();
109 }