Example usage for org.springframework.batch.core.step.item ChunkOrientedTasklet setBuffering

Introduction

In this page you can find the example usage for org.springframework.batch.core.step.item ChunkOrientedTasklet setBuffering.

Prototype

public void setBuffering(boolean buffering) 

Source Link

Document

Flag to indicate that items should be buffered once read.

Usage

From source file:org.springframework.batch.core.step.item.SimpleStepFactoryBean.java

/**
 * @param step/*from w  w  w  .  ja v a 2  s  .  c om*/
 * 
 */
protected void applyConfiguration(TaskletStep step) {

    Assert.state(getItemReader() != null, "ItemReader must be provided");
    Assert.state(getItemWriter() != null || getItemProcessor() != null,
            "ItemWriter or ItemProcessor must be provided");
    Assert.state(transactionManager != null, "TransactionManager must be provided");

    step.setTransactionManager(transactionManager);
    step.setTransactionAttribute(getTransactionAttribute());
    step.setJobRepository(jobRepository);
    step.setStartLimit(startLimit);
    step.setAllowStartIfComplete(allowStartIfComplete);

    registerStreams(step, streams);

    if (chunkOperations == null) {
        RepeatTemplate repeatTemplate = new RepeatTemplate();
        repeatTemplate.setCompletionPolicy(getChunkCompletionPolicy());
        chunkOperations = repeatTemplate;
    }

    if (stepOperations == null) {

        stepOperations = new RepeatTemplate();

        if (taskExecutor != null) {
            TaskExecutorRepeatTemplate repeatTemplate = new TaskExecutorRepeatTemplate();
            repeatTemplate.setTaskExecutor(taskExecutor);
            repeatTemplate.setThrottleLimit(throttleLimit);
            stepOperations = repeatTemplate;
        }

        ((RepeatTemplate) stepOperations).setExceptionHandler(exceptionHandler);

    }

    step.setStepOperations(stepOperations);

    SimpleChunkProvider<T> chunkProvider = configureChunkProvider();

    SimpleChunkProcessor<T, S> chunkProcessor = configureChunkProcessor();

    registerItemListeners(chunkProvider, chunkProcessor);
    registerStepListeners(step, chunkOperations);
    registerStreams(step, itemReader, itemProcessor, itemWriter);

    ChunkOrientedTasklet<T> tasklet = new ChunkOrientedTasklet<T>(chunkProvider, chunkProcessor);
    tasklet.setBuffering(!isReaderTransactionalQueue());

    step.setTasklet(tasklet);

}

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