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1   /*
2    * Copyright 2018 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  
17  package org.openehealth.ipf.commons.audit.queue;
18  
19  import org.openehealth.ipf.commons.audit.AuditContext;
20  import org.openehealth.ipf.commons.audit.model.AuditMessage;
21  
22  import java.util.*;
23  import java.util.concurrent.CopyOnWriteArrayList;
24  
25  /**
26   * For testing only: an implementation that records the audit messages in memory.
27   * After some time, this will cause OutOfMemoryErrors.
28   *
29   * @author Christian Ohr
30   * @since 3.5
31   */
32  public class RecordingAuditMessageQueue implements AbstractMockedAuditMessageQueue {
33  
34      private List<AuditMessage> messages = new CopyOnWriteArrayList<>();
35  
36      @Override
37      public void audit(AuditContext auditContext, AuditMessage... auditMessages) {
38          messages.addAll(Arrays.asList(auditMessages));
39      }
40  
41  
42      public List<AuditMessage> getMessages() {
43          return Collections.unmodifiableList(messages);
44      }
45  
46      public Optional<AuditMessage> getFirstMessage() {
47          return getMessages().stream().findFirst();
48      }
49  
50      /**
51       * Clears the message list
52       */
53      public void clear() {
54          messages.clear();
55      }
56  
57  }