use of com.hazelcast.jet.pipeline.BatchStage in project hazelcast by hazelcast.
the class GrpcServiceTest method whenNotAsync_unary_distributed.
@Test
public void whenNotAsync_unary_distributed() throws IOException {
// Given
server = createServer(new GreeterServiceImpl());
final int port = server.getPort();
List<String> items = IntStream.range(0, ITEM_COUNT).mapToObj(Integer::toString).collect(toList());
Pipeline p = Pipeline.create();
BatchStageWithKey<String, String> stage = p.readFrom(TestSources.items(items)).groupingKey(i -> i);
// When
BatchStage<String> mapped = stage.mapUsingService(unary(port), (service, key, item) -> {
HelloRequest req = HelloRequest.newBuilder().setName(item).build();
return service.call(req).thenApply(HelloReply::getMessage).get();
});
// Then
mapped.writeTo(AssertionSinks.assertCollected(e -> {
assertEquals("unexpected number of items received", ITEM_COUNT, e.size());
}));
instance().getJet().newJob(p).join();
}
use of com.hazelcast.jet.pipeline.BatchStage in project hazelcast-jet by hazelcast.
the class GrAggBuilder method buildBatch.
@SuppressWarnings("unchecked")
public <A, R, OUT> BatchStage<OUT> buildBatch(@Nonnull AggregateOperation<A, ? extends R> aggrOp, @Nonnull DistributedBiFunction<? super K, ? super R, OUT> mapToOutputFn) {
List<Transform> upstreamTransforms = upstreamStages.stream().map(s -> s.transform).collect(toList());
Transform transform = new GroupTransform<>(upstreamTransforms, keyFns, aggrOp, mapToOutputFn);
pipelineImpl.connect(upstreamTransforms, transform);
return new BatchStageImpl<>(transform, pipelineImpl);
}
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