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1   /*
2    * Copyright 2015 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *       http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.openehealth.ipf.commons.ihe.core.atna;
17  
18  import org.openehealth.ipf.commons.audit.AuditContext;
19  import org.openehealth.ipf.commons.audit.codes.EventOutcomeIndicator;
20  
21  import java.util.Map;
22  
23  /**
24   * ATNA audit strategy base for transactions. This strategy is accompanied with a
25   * dedicated subclass of {@link AuditDataset} containing the data for the audit record.
26   *
27   * @author Christian Ohr
28   * @since 3.1
29   */
30  public interface AuditStrategy<T extends AuditDataset> {
31  
32      /**
33       * Creates a new audit dataset instance.
34       */
35      T createAuditDataset();
36  
37      /**
38       * Enriches the given audit dataset with transaction-specific
39       * contents of the request message and Camel exchange.
40       *
41       * @param auditDataset audit dataset to be enriched.
42       * @param request      {@link Object} representing the request.
43       * @param parameters   additional parameters
44       */
45      T enrichAuditDatasetFromRequest(T auditDataset, Object request, Map<String, Object> parameters);
46  
47  
48      /**
49       * Enriches the given audit dataset with transaction-specific
50       * contents of the response message.
51       *
52       * @param auditDataset audit dataset to be enriched.
53       * @param response     {@link Object} representing the responded resource.
54       * @return true if response indicates success, false otherwise
55       */
56      default boolean enrichAuditDatasetFromResponse(T auditDataset, Object response) {
57          return enrichAuditDatasetFromResponse(auditDataset, response, null);
58      }
59  
60      /**
61       * Enriches the given audit dataset with transaction-specific
62       * contents of the response message.
63       *
64       * @param auditDataset audit dataset to be enriched.
65       * @param response     {@link Object} representing the responded resource.
66       * @param auditContext audit context, if relevant
67       * @return true if response indicates success, false otherwise
68       */
69      boolean enrichAuditDatasetFromResponse(T auditDataset, Object response, AuditContext auditContext);
70  
71  
72      /**
73       * Performs the actual ATNA audit.
74       *
75       * @param auditContext audit context used for auditing
76       * @param auditDataset Collected audit dataset.
77       */
78      void doAudit(AuditContext auditContext, T auditDataset);
79  
80  
81      /**
82       * Determines whether the given response finalizes the interaction
83       * and thus the ATNA auditing should be finalized as well.
84       * <p>
85       * Per default always returns <code>true</code>.
86       *
87       * @param response response in transaction-specific format (POJO, XML string, etc.).
88       * @return <code>true</code> when this response finalizes the interaction.
89       */
90      boolean isAuditableResponse(Object response);
91  
92      /**
93       * Determines which event outcome corresponds with the provided response POJO
94       *
95       * @param response POJO
96       * @return event outcome code
97       */
98      EventOutcomeIndicator getEventOutcomeIndicator(Object response);
99  
100     /**
101      * Determines which event outcome description corresponds with the provided response POJO
102      *
103      * @param response POJO
104      * @return event outcome description
105      */
106     String getEventOutcomeDescription(Object response);
107 }