Examples of org.springframework.core.task.SyncTaskExecutor

org.springframework.core.task.SyncTaskExecutor
{@link TaskExecutor} implementation that executes each task synchronouslyin the calling thread.
Mainly intended for testing scenarios.
Execution in the calling thread does have the advantage of participating in it's thread context, for example the thread context class loader or the thread's current transaction association. That said, in many cases, asynchronous execution will be preferable: choose an asynchronous TaskExecutor instead for such scenarios. @author Juergen Hoeller @since 2.0 @see SimpleAsyncTaskExecutor


  private ListenableFuture<WebSocketSession> connect(RestOperations restTemplate, ClientHttpResponse... responses)
      throws Exception {


    RestTemplateXhrTransport transport = new RestTemplateXhrTransport(restTemplate);
    transport.setTaskExecutor(new SyncTaskExecutor());


    SockJsUrlInfo urlInfo = new SockJsUrlInfo(new URI("http://example.com"));
    HttpHeaders headers = new HttpHeaders();
    headers.add("h-foo", "h-bar");
    TransportRequest request = new DefaultTransportRequest(urlInfo, headers, transport, TransportType.XHR, CODEC);

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    }
    else {
      TaskExecutorPartitionHandler partitionHandler = new TaskExecutorPartitionHandler();
      partitionHandler.setStep(this.step);
      if (taskExecutor == null) {
        taskExecutor = new SyncTaskExecutor();
      }
      partitionHandler.setGridSize(gridSize);
      partitionHandler.setTaskExecutor(taskExecutor);
      step.setPartitionHandler(partitionHandler);
    }

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  }


  @Test
  public void testCustomTaskExecutor() throws Exception {
    JsrJobOperator jsrJobOperatorImpl = (JsrJobOperator) jsrJobOperator;
    jsrJobOperatorImpl.setTaskExecutor(new SyncTaskExecutor());
    jsrJobOperatorImpl.afterPropertiesSet();
    assertNotNull(jsrJobOperatorImpl.getTaskExecutor());
    assertTrue((jsrJobOperatorImpl.getTaskExecutor() instanceof SyncTaskExecutor));
  }

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    fb.setIsolation(Isolation.DEFAULT);
    fb.setTransactionTimeout(-1);
    fb.setPropagation(Propagation.REQUIRED);
    fb.setChunkCompletionPolicy(new DummyCompletionPolicy());
    fb.setCommitInterval(5);
    fb.setTaskExecutor(new SyncTaskExecutor());
    fb.setItemReader(new DummyItemReader());
    fb.setItemWriter(new DummyItemWriter());
    fb.setStreams(new ItemStream[] { new FlatFileItemReader<Object>() });
    fb.setHasChunkElement(true);

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    fb.setIsolation(Isolation.DEFAULT);
    fb.setTransactionTimeout(-1);
    fb.setPropagation(Propagation.REQUIRED);
    fb.setChunkCompletionPolicy(new DummyCompletionPolicy());
    fb.setCommitInterval(5);
    fb.setTaskExecutor(new SyncTaskExecutor());
    fb.setItemReader(new DummyItemReader());
    fb.setItemWriter(new DummyItemWriter());
    fb.setStreams(new ItemStream[] { new FlatFileItemReader<Object>() });
    fb.setCacheCapacity(5);
    fb.setIsReaderTransactionalQueue(true);

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    fb.setListeners(new StepListener[] { new StepExecutionListenerSupport() });
    fb.setIsolation(Isolation.DEFAULT);
    fb.setTransactionTimeout(-1);
    fb.setPropagation(Propagation.REQUIRED);
    fb.setChunkCompletionPolicy(new DummyCompletionPolicy());
    fb.setTaskExecutor(new SyncTaskExecutor());
    fb.setItemReader(new DummyItemReader());
    fb.setItemProcessor(new PassThroughItemProcessor<Object>());
    fb.setItemWriter(new DummyItemWriter());
    fb.setStreams(new ItemStream[] { new FlatFileItemReader<Object>() });

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    fb.setJobRepository(new JobRepositorySupport());
    fb.setStartLimit(5);
    fb.setTransactionManager(new ResourcelessTransactionManager());
    fb.setListeners(new StepListener[] { new StepExecutionListenerSupport() });
    fb.setChunkCompletionPolicy(new DummyCompletionPolicy());
    fb.setTaskExecutor(new SyncTaskExecutor());
    fb.setItemReader(new DummyItemReader());
    fb.setItemProcessor(new PassThroughItemProcessor<Object>());
    fb.setItemWriter(new DummyItemWriter());
    fb.setStreams(new ItemStream[] { new FlatFileItemReader<Object>() });
    fb.setCacheCapacity(5);

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    fb.setBeanName("step1");
    fb.setAllowStartIfComplete(true);
    fb.setJobRepository(new JobRepositorySupport());
    fb.setStartLimit(5);
    fb.setListeners(new StepListener[] { new StepExecutionListenerSupport() });
    fb.setTaskExecutor(new SyncTaskExecutor());


    SimplePartitioner partitioner = new SimplePartitioner();
    fb.setPartitioner(partitioner);
    fb.setStep(new StepSupport("foo"));

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    fb.setBeanName("step1");
    fb.setAllowStartIfComplete(true);
    fb.setJobRepository(new JobRepositorySupport());
    fb.setStartLimit(5);
    fb.setListeners(new StepListener[] { new StepExecutionListenerSupport() });
    fb.setTaskExecutor(new SyncTaskExecutor());


    SimplePartitioner partitioner = new SimplePartitioner();
    fb.setPartitioner(partitioner);
    TaskExecutorPartitionHandler partitionHandler = new TaskExecutorPartitionHandler();
    partitionHandler.setStep(new StepSupport("foo"));

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    fb.setBeanName("step1");
    fb.setAllowStartIfComplete(true);
    fb.setJobRepository(new JobRepositorySupport());
    fb.setStartLimit(5);
    fb.setListeners(new StepListener[] { new StepExecutionListenerSupport() });
    fb.setTaskExecutor(new SyncTaskExecutor());


    fb.setFlow(new SimpleFlow("foo"));


    Object step = fb.getObject();
    assertTrue(step instanceof FlowStep);

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