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1   package org.apache.maven.plugin.surefire.booterclient.lazytestprovider;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.apache.maven.surefire.api.booter.Shutdown;
23  
24  /**
25   * Remote interface of forked JVM with command methods.
26   * <br>
27   * Implemented by {@link TestProvidingInputStream} and {@link TestLessInputStream} where the method
28   * {@link TestLessInputStream#provideNewTest()} purposefully does nothing. Some methods in
29   * {@link org.apache.maven.plugin.surefire.booterclient.lazytestprovider.TestLessInputStream.TestLessInputStreamBuilder}
30   * throw {@link UnsupportedOperationException}.
31   *
32   * @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a>
33   * @since 2.19
34   * @see TestProvidingInputStream
35   * @see TestLessInputStream
36   */
37  public interface NotifiableTestStream
38  {
39      /**
40       * Forked jvm notifies master process to provide a new test.
41       * <br>
42       * Notifies {@link TestProvidingInputStream} in order to dispatch a new test back to the forked
43       * jvm (particular fork which hits this call); or do nothing in {@link TestLessInputStream}.
44       */
45      void provideNewTest();
46  
47      /**
48       * Sends an event to a fork jvm in order to skip tests.
49       * Returns immediately without blocking.
50       */
51      void skipSinceNextTest();
52  
53      void shutdown( Shutdown shutdownType );
54  
55      void noop();
56  
57      void acknowledgeByeEventReceived();
58  }