Example usage for org.springframework.batch.repeat.policy SimpleCompletionPolicy SimpleCompletionPolicy

Introduction

In this page you can find the example usage for org.springframework.batch.repeat.policy SimpleCompletionPolicy SimpleCompletionPolicy.

Prototype

public SimpleCompletionPolicy(int chunkSize) 

Source Link

Usage

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

/**
 * @return a {@link CompletionPolicy} consistent with the commit interval
 * and injected policy (if present)./*w  w  w .  j av a  2 s .c  o  m*/
 */
private CompletionPolicy getChunkCompletionPolicy() {
    Assert.state(!(chunkCompletionPolicy != null && commitInterval != 0),
            "You must specify either a chunkCompletionPolicy or a commitInterval but not both.");
    Assert.state(commitInterval >= 0, "The commitInterval must be positive or zero (for default value).");

    if (chunkCompletionPolicy != null) {
        return chunkCompletionPolicy;
    }
    if (commitInterval == 0) {
        logger.info("Setting commit interval to default value (" + DEFAULT_COMMIT_INTERVAL + ")");
        commitInterval = DEFAULT_COMMIT_INTERVAL;
    }
    return new SimpleCompletionPolicy(commitInterval);
}

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From source file:org.springframework.batch.core.step.tasklet.AsyncChunkOrientedStepIntegrationTests.java

@Before
public void init() throws Exception {

    maxActive = dataSource.getMaxActive();
    maxIdle = dataSource.getMaxIdle();/*from w  ww.j ava 2  s  . c o  m*/

    // Force deadlock with batch waiting for DB pool and vice versa
    dataSource.setMaxActive(1);
    dataSource.setMaxIdle(1);

    step = new TaskletStep("stepName");
    step.setJobRepository(jobRepository);
    step.setTransactionManager(transactionManager);

    // Only process one item:
    chunkOperations = new RepeatTemplate();
    chunkOperations.setCompletionPolicy(new SimpleCompletionPolicy(1));

    job = new JobSupport("FOO");

    TaskExecutorRepeatTemplate repeatTemplate = new TaskExecutorRepeatTemplate();
    repeatTemplate.setThrottleLimit(2);
    repeatTemplate.setTaskExecutor(new SimpleAsyncTaskExecutor());
    step.setStepOperations(repeatTemplate);
    step.setTransactionManager(transactionManager);
}

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From source file:org.springframework.batch.core.step.tasklet.AsyncTaskletStepTests.java

private void setUp() throws Exception {

    step = new TaskletStep("stepName");

    ResourcelessTransactionManager transactionManager = new ResourcelessTransactionManager();
    step.setTransactionManager(transactionManager);

    RepeatTemplate chunkTemplate = new RepeatTemplate();
    chunkTemplate.setCompletionPolicy(new SimpleCompletionPolicy(2));
    step.setTasklet(new TestingChunkOrientedTasklet<String>(new ListItemReader<String>(items), itemProcessor,
            itemWriter, chunkTemplate));

    jobRepository = new JobRepositorySupport();
    step.setJobRepository(jobRepository);

    TaskExecutorRepeatTemplate template = new TaskExecutorRepeatTemplate();
    template.setThrottleLimit(throttleLimit);
    SimpleAsyncTaskExecutor taskExecutor = new SimpleAsyncTaskExecutor();
    taskExecutor.setConcurrencyLimit(concurrencyLimit);
    template.setTaskExecutor(taskExecutor);
    step.setStepOperations(template);//from   w  w w . ja v  a  2s. co  m

    step.registerStream(new ItemStreamSupport() {
        private int count = 0;

        @Override
        public void update(ExecutionContext executionContext) {
            super.update(executionContext);
            executionContext.putInt("counter", count++);
        }
    });

}

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From source file:org.springframework.batch.repeat.support.TaskExecutorRepeatTemplateBulkAsynchronousTests.java

@Test
public void testThrottleLimitWithEarlyCompletion() throws Exception {

    early = 2;//from w  w  w  .  j a v  a  2s .c o m
    template.setCompletionPolicy(new SimpleCompletionPolicy(10));

    template.iterate(callback);
    int frequency = Collections.frequency(items, "null");
    assertEquals(10, items.size() - frequency);
    // System.err.println("Frequency: " + frequency);
    assertEquals(0, frequency);

}

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From source file:org.springframework.batch.repeat.support.TaskExecutorRepeatTemplateBulkAsynchronousTests.java

@Test
public void testErrorThrownByCallback() throws Exception {

    callback = new RepeatCallback() {

        private volatile AtomicInteger count = new AtomicInteger(0);

        @Override//from   ww  w. j a v  a  2  s.  c  om
        public RepeatStatus doInIteration(RepeatContext context) throws Exception {
            int position = count.incrementAndGet();

            if (position == 4) {
                throw new OutOfMemoryError("Planned");
            } else {
                return RepeatStatus.CONTINUABLE;
            }
        }
    };

    template.setCompletionPolicy(new SimpleCompletionPolicy(10));

    try {
        template.iterate(callback);
        fail("Expected planned exception");
    } catch (OutOfMemoryError oome) {
        assertEquals("Planned", oome.getMessage());
    } catch (Exception e) {
        e.printStackTrace();
        fail("Wrong exception was thrown: " + e);
    }
}

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