@ProcessInput
@Batch(100)
public void foo(Iterator<StreamEvent> it) {
List<StreamEvent> events = ImmutableList.copyOf(it);
LOG.warn("Number of batched stream events = " + events.size());
Assert.assertTrue(events.size() > 1);
List<Integer> out = Lists.newArrayList();
for (StreamEvent event : events) {
out.add(Integer.parseInt(Charsets.UTF_8.decode(event.getBody()).toString()));
}
LOG.info("Read events=" + out);
}
@Override
protected void map(LongWritable key, StreamEvent value, Context context)
throws IOException, InterruptedException {
Text output = new Text(value.getBody().array());
context.write(output, output);
}