Examples with BufferedEmittingPublisher io.helidon.common.reactive.BufferedEmittingPublisher used on opensource projects

Example 1 with BufferedEmittingPublisher

use of io.helidon.common.reactive.BufferedEmittingPublisher in project helidon by oracle.

the class DataChunkInputStreamTest method differentThreads.

@Test
public void differentThreads() throws Exception {
    List<String> test_data = List.of("test0", "test1", "test2", "test3");
    List<String> result = new ArrayList<>();
    BufferedEmittingPublisher<String> pub = BufferedEmittingPublisher.create();
    ExecutorService executorService = Executors.newFixedThreadPool(2);
    Future<?> submitFuture = executorService.submit(() -> {
        for (int i = 0; i < test_data.size(); i++) {
            pub.emit(test_data.get(i));
            sleep();
        }
        pub.complete();
    });
    Future<?> receiveFuture = executorService.submit(() -> {
        DataChunkInputStream chunkInputStream = new DataChunkInputStream(Multi.create(pub).map(s -> DataChunk.create(s.getBytes())));
        for (int i = 0; i < test_data.size(); i++) {
            try {
                String token = new String(chunkInputStream.readNBytes(test_data.get(0).length()));
                System.out.println(">>> " + token);
                result.add(token);
            } catch (IOException e) {
                fail(e);
            }
        }
    });
    submitFuture.get(500, TimeUnit.MILLISECONDS);
    receiveFuture.get(500, TimeUnit.MILLISECONDS);
    assertEquals(test_data, result);
}