Example usage for org.springframework.batch.repeat RepeatStatus isContinuable

Introduction

In this page you can find the example usage for org.springframework.batch.repeat RepeatStatus isContinuable.

Prototype

public boolean isContinuable() 

Source Link

Usage

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

/**
 * Check return value from batch operation.
 * /*  w  w  w. j  a v a  2s. c o  m*/
 * @param value the last callback result.
 * @return true if the value is {@link RepeatStatus#CONTINUABLE}.
 */
protected final boolean canContinue(RepeatStatus value) {
    return value.isContinuable();
}

---

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

/**
 * Convenience method to execute after interceptors on a callback result.
 * /*www  .j a  v a2 s .c  om*/
 * @param context the current batch context.
 * @param value the result of the callback to process.
 */
protected void executeAfterInterceptors(final RepeatContext context, RepeatStatus value) {

    // Don't re-throw exceptions here: let the exception handler deal with
    // that...

    if (value != null && value.isContinuable()) {
        for (int i = listeners.length; i-- > 0;) {
            RepeatListener interceptor = listeners[i];
            interceptor.after(context, value);
        }

    }

}

---

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

@Before
public void setUp() {

    template = new TaskExecutorRepeatTemplate();
    TaskExecutor taskExecutor = new SimpleAsyncTaskExecutor();
    threadPool.setMaxPoolSize(300);/*from w  ww  . j a va  2s.co  m*/
    threadPool.setCorePoolSize(10);
    threadPool.setQueueCapacity(0);
    threadPool.afterPropertiesSet();
    taskExecutor = threadPool;
    template.setTaskExecutor(taskExecutor);
    template.setThrottleLimit(throttleLimit);

    items = Collections.synchronizedList(new ArrayList<String>());

    callback = new RepeatCallback() {

        private volatile AtomicInteger count = new AtomicInteger(0);

        @Override
        public RepeatStatus doInIteration(RepeatContext context) throws Exception {
            int position = count.incrementAndGet();
            String item = position <= total ? "" + position : null;
            items.add("" + item);
            if (item != null) {
                beBusy();
            }
            /*
             * In a multi-threaded task, one of the callbacks can call
             * FINISHED early, while other threads are still working, and
             * would do more work if the callback was called again. (This
             * happens for instance if there is a failure and you want to
             * retry the work.)
             */
            RepeatStatus result = RepeatStatus.continueIf(position != early && item != null);
            if (position == error) {
                throw new RuntimeException("Planned");
            }
            if (!result.isContinuable()) {
                logger.debug("Returning " + result + " for count=" + position);
            }
            return result;
        }
    };

}

---