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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.surefire.junitcore;
20  
21  import java.util.Queue;
22  import java.util.concurrent.ConcurrentLinkedQueue;
23  
24  import org.apache.maven.surefire.api.report.TestOutputReceiver;
25  import org.apache.maven.surefire.api.report.TestOutputReportEntry;
26  
27  /**
28   * A stream-like object that preserves ordering between stdout/stderr
29   */
30  @Deprecated // remove this class after StatelessXmlReporter is capable of parallel test sets processing
31  final class LogicalStream {
32      private final Queue<TestOutputReportEntry> output = new ConcurrentLinkedQueue<>();
33  
34      synchronized void write(TestOutputReportEntry reportEntry) {
35          output.add(reportEntry);
36      }
37  
38      void writeDetails(TestOutputReceiver<TestOutputReportEntry> outputReceiver) {
39          for (TestOutputReportEntry entry = output.poll(); entry != null; entry = output.poll()) {
40              outputReceiver.writeTestOutput(entry);
41          }
42      }
43  }