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1   /*
2    * Licensed under the Apache License, Version 2.0 (the "License");
3    * you may not use this file except in compliance with the License.
4    * You may obtain a copy of the License at
5    *
6    * http://www.apache.org/licenses/LICENSE-2.0
7    *
8    * Unless required by applicable law or agreed to in writing, software
9    * distributed under the License is distributed on an "AS IS" BASIS,
10   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11   * See the License for the specific language governing permissions and
12   * limitations under the License.
13   */
14  package com.addthis.codec.utils;
15  
16  import java.util.concurrent.ExecutorService;
17  import java.util.concurrent.ScheduledExecutorService;
18  import java.util.concurrent.ThreadFactory;
19  
20  import com.google.common.annotations.Beta;
21  import com.google.common.util.concurrent.ThreadFactoryBuilder;
22  
23  import com.fasterxml.jackson.core.Version;
24  import com.fasterxml.jackson.databind.Module;
25  import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
26  import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
27  
28  /**
29   * Adds deserialization support for {@link ThreadFactory} and {@link ExecutorService} types.
30   */
31  @Beta
32  public class ExecutorsModule extends Module {
33  
34      @Override public void setupModule(SetupContext context) {
35          context.setMixInAnnotations(ThreadFactory.class, ThreadFactoryMixer.class);
36          context.setMixInAnnotations(ThreadFactoryBuilder.class, ThreadFactoryBuilderMixer.class);
37          context.setMixInAnnotations(ExecutorService.class, ExecutorServiceBuilder.class);
38          context.setMixInAnnotations(ScheduledExecutorService.class, ScheduledExecutorServiceBuilder.class);
39      }
40  
41      @Override public String getModuleName() {
42          return "jdk-executors";
43      }
44  
45      @Override public Version version() {
46          return Version.unknownVersion();
47      }
48  
49      @JsonDeserialize(builder = ThreadFactoryBuilder.class)
50      private static class ThreadFactoryMixer {}
51  
52      @JsonPOJOBuilder(withPrefix = "set")
53      private static class ThreadFactoryBuilderMixer {}
54  }