Example usage for org.springframework.batch.item.support PassThroughItemProcessor PassThroughItemProcessor

Introduction

In this page you can find the example usage for org.springframework.batch.item.support PassThroughItemProcessor PassThroughItemProcessor.

Prototype

PassThroughItemProcessor

Source Link

Usage

From source file:es.fcs.batch.integration.chunk.MyRemoteChunkHandlerFactoryBean.java

/**
 * Replace the chunk processor in the tasklet provided with one that can act as a master in the Remote Chunking
 * pattern.// ww  w.  j a va2s .c o m
 * 
 * @param tasklet a ChunkOrientedTasklet
 * @param chunkWriter an ItemWriter that can send the chunks to remote workers
 * @param stepContributionSource a StepContributionSource used to gather results from the workers
 */
private void replaceChunkProcessor(ChunkOrientedTasklet<?> tasklet, ItemWriter<T> chunkWriter,
        final StepContributionSource stepContributionSource) {
    setField(tasklet, "chunkProcessor",
            new SimpleChunkProcessor<T, T>(new PassThroughItemProcessor<T>(), chunkWriter) {
                /**
                * 
                */
                private static final long serialVersionUID = -8914556774351841413L;

                @Override
                protected void write(StepContribution contribution, Chunk<T> inputs, Chunk<T> outputs)
                        throws Exception {

                    doWrite(outputs.getItems());
                    // Do not update the step contribution until the chunks are
                    // actually processed
                    updateStepContribution(contribution, stepContributionSource);
                }
            });
}

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From source file:org.springframework.batch.integration.chunk.RemoteChunkHandlerFactoryBean.java

/**
 * Replace the chunk processor in the tasklet provided with one that can act as a master in the Remote Chunking
 * pattern./*from   w  ww. j a  v  a  2  s. c  om*/
 * 
 * @param tasklet a ChunkOrientedTasklet
 * @param chunkWriter an ItemWriter that can send the chunks to remote workers
 * @param stepContributionSource a StepContributionSource used to gather results from the workers
 */
private void replaceChunkProcessor(ChunkOrientedTasklet<?> tasklet, ItemWriter<T> chunkWriter,
        final StepContributionSource stepContributionSource) {
    setField(tasklet, "chunkProcessor",
            new SimpleChunkProcessor<T, T>(new PassThroughItemProcessor<T>(), chunkWriter) {
                @Override
                protected void write(StepContribution contribution, Chunk<T> inputs, Chunk<T> outputs)
                        throws Exception {
                    doWrite(outputs.getItems());
                    // Do not update the step contribution until the chunks are
                    // actually processed
                    updateStepContribution(contribution, stepContributionSource);
                }
            });
}

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