Java ChunkOrientedTasklet示例

示例#1

文件： FaultTolerantStepBuilder.java 项目： satokano/spring-batch

 /**
  * Create a new chunk oriented tasklet with reader, writer and processor as provided.
  *
  * @see org.springframework.batch.core.step.builder.SimpleStepBuilder#createTasklet()
  */
 @Override
 protected Tasklet createTasklet() {
   Assert.state(getReader() != null, "ItemReader must be provided");
   Assert.state(
       getProcessor() != null || getWriter() != null,
       "ItemWriter or ItemProcessor must be provided");
   addSpecialExceptions();
   registerSkipListeners();
   FaultTolerantChunkProvider<I> chunkProvider = createChunkProvider();
   FaultTolerantChunkProcessor<I, O> chunkProcessor = createChunkProcessor();
   ChunkOrientedTasklet<I> tasklet = new ChunkOrientedTasklet<I>(chunkProvider, chunkProcessor);
   tasklet.setBuffering(!isReaderTransactionalQueue());
   return tasklet;
 }

示例#2

文件： JsrSimpleStepBuilder.java 项目： snicoll/spring-batch

 @Override
 @SuppressWarnings({"unchecked", "rawtypes"})
 protected Tasklet createTasklet() {
   Assert.state(getReader() != null, "ItemReader must be provided");
   Assert.state(
       getProcessor() != null || getWriter() != null,
       "ItemWriter or ItemProcessor must be provided");
   RepeatOperations repeatOperations = createRepeatOperations();
   ChunkProvider<I> chunkProvider = new JsrChunkProvider<I>();
   JsrChunkProcessor<I, O> chunkProcessor =
       new JsrChunkProcessor(getReader(), getProcessor(), getWriter(), repeatOperations);
   chunkProcessor.setListeners(new ArrayList<StepListener>(getItemListeners()));
   ChunkOrientedTasklet<I> tasklet = new ChunkOrientedTasklet<I>(chunkProvider, chunkProcessor);
   tasklet.setBuffering(!isReaderTransactionalQueue());
   return tasklet;
 }