Examples with Segment io.pravega.client.segment.impl.Segment used on opensource projects

Example 91 with Segment

use of io.pravega.client.segment.impl.Segment in project pravega by pravega.

the class EventStreamWriterTest method testEndOfSegmentBackgroundRefresh.

@Test
public void testEndOfSegmentBackgroundRefresh() {
    String scope = "scope";
    String streamName = "stream";
    String routingKey = "RoutingKey";
    StreamImpl stream = new StreamImpl(scope, streamName);
    Segment segment1 = new Segment(scope, streamName, 0);
    Segment segment2 = new Segment(scope, streamName, 1);
    EventWriterConfig config = EventWriterConfig.builder().build();
    SegmentOutputStreamFactory streamFactory = Mockito.mock(SegmentOutputStreamFactory.class);
    Controller controller = Mockito.mock(Controller.class);
    FakeSegmentOutputStream outputStream1 = new FakeSegmentOutputStream(segment1);
    FakeSegmentOutputStream outputStream2 = new FakeSegmentOutputStream(segment2);
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment1), any(), any(), any())).thenAnswer(i -> {
        outputStream1.callBackForSealed = i.getArgument(1);
        return outputStream1;
    });
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment2), any(), any(), any())).thenAnswer(i -> {
        outputStream2.callBackForSealed = i.getArgument(1);
        return outputStream2;
    });
    JavaSerializer<String> serializer = new JavaSerializer<>();
    Mockito.when(controller.getCurrentSegments(scope, streamName)).thenReturn(getSegmentsFuture(segment1)).thenReturn(getSegmentsFuture(segment2));
    @Cleanup EventStreamWriter<String> writer = new EventStreamWriterImpl<>(stream, "id", controller, streamFactory, serializer, config, executorService(), executorService(), null);
    writer.writeEvent(routingKey, "Foo");
    Mockito.when(controller.getCurrentSegments(scope, streamName)).thenReturn(getSegmentsFuture(segment2));
    Mockito.when(controller.getSuccessors(segment1)).thenReturn(getReplacement(segment1, segment2));
    writer.writeEvent(routingKey, "Bar");
    Mockito.verify(controller, Mockito.times(1)).getCurrentSegments(any(), any());
    assertEquals(2, outputStream1.unacked.size());
    assertEquals("Foo", serializer.deserialize(outputStream1.getUnacked(0)));
    assertEquals("Bar", serializer.deserialize(outputStream1.getUnacked(1)));
    // simulate a segment sealed callback.
    outputStream1.invokeSealedCallBack();
    writer.writeEvent(routingKey, "TestData");
    // This time the actual handleLogSealed is invoked and the resend method resends data to outputStream2.
    assertEquals(3, outputStream2.acked.size());
    assertEquals("Foo", serializer.deserialize(outputStream2.getAcked(0)));
    assertEquals("Bar", serializer.deserialize(outputStream2.getAcked(1)));
    assertEquals(1, outputStream2.unacked.size());
    assertEquals("TestData", serializer.deserialize(outputStream2.getUnacked(0)));
}

Example 92 with Segment

use of io.pravega.client.segment.impl.Segment in project pravega by pravega.

the class EventStreamWriterTest method testFlush.

@Test
public void testFlush() {
    String scope = "scope";
    String streamName = "stream";
    StreamImpl stream = new StreamImpl(scope, streamName);
    Segment segment = new Segment(scope, streamName, 0);
    EventWriterConfig config = EventWriterConfig.builder().build();
    SegmentOutputStreamFactory streamFactory = Mockito.mock(SegmentOutputStreamFactory.class);
    Controller controller = Mockito.mock(Controller.class);
    FakeSegmentOutputStream outputStream = new FakeSegmentOutputStream(segment);
    Mockito.when(controller.getCurrentSegments(scope, streamName)).thenReturn(getSegmentsFuture(segment));
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment), any(), any(), any())).thenReturn(outputStream);
    JavaSerializer<String> serializer = new JavaSerializer<>();
    @Cleanup EventStreamWriter<String> writer = new EventStreamWriterImpl<>(stream, "id", controller, streamFactory, serializer, config, executorService(), executorService(), null);
    writer.writeEvent("Foo");
    Mockito.verify(controller).getCurrentSegments(any(), any());
    assertTrue(outputStream.unacked.size() > 0);
    writer.flush();
    assertTrue(outputStream.unacked.isEmpty());
}

Example 93 with Segment

use of io.pravega.client.segment.impl.Segment in project pravega by pravega.

the class EventStreamWriterTest method testSegmentSealedInSegmentSealed.

@Test
public void testSegmentSealedInSegmentSealed() {
    String scope = "scope";
    String streamName = "stream";
    String routingKey = "RoutingKey";
    StreamImpl stream = new StreamImpl(scope, streamName);
    Segment segment1 = new Segment(scope, streamName, 0);
    Segment segment2 = new Segment(scope, streamName, 1);
    Segment segment3 = new Segment(scope, streamName, 2);
    EventWriterConfig config = EventWriterConfig.builder().build();
    SegmentOutputStreamFactory streamFactory = Mockito.mock(SegmentOutputStreamFactory.class);
    Controller controller = Mockito.mock(Controller.class);
    FakeSegmentOutputStream outputStream1 = new FakeSegmentOutputStream(segment1);
    FakeSegmentOutputStream outputStream2 = new FakeSegmentOutputStream(segment2);
    FakeSegmentOutputStream outputStream3 = new FakeSegmentOutputStream(segment3);
    Mockito.when(controller.getCurrentSegments(scope, streamName)).thenReturn(getSegmentsFuture(segment1));
    Mockito.when(controller.getSuccessors(segment1)).thenReturn(getReplacement(segment1, segment2));
    Mockito.when(controller.getSuccessors(segment2)).thenReturn(getReplacement(segment2, segment3));
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment1), any(), any(), any())).thenAnswer(i -> {
        outputStream1.callBackForSealed = i.getArgument(1);
        return outputStream1;
    });
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment2), any(), any(), any())).thenAnswer(i -> {
        outputStream2.callBackForSealed = i.getArgument(1);
        return outputStream2;
    });
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment3), any(), any(), any())).thenAnswer(i -> {
        outputStream3.callBackForSealed = i.getArgument(1);
        return outputStream3;
    });
    JavaSerializer<String> serializer = new JavaSerializer<>();
    @Cleanup EventStreamWriter<String> writer = new EventStreamWriterImpl<>(stream, "id", controller, streamFactory, serializer, config, executorService(), executorService(), null);
    writer.writeEvent(routingKey, "Foo");
    Mockito.verify(controller).getCurrentSegments(any(), any());
    assertEquals(1, outputStream1.unacked.size());
    assertTrue(outputStream2.getUnackedEventsOnSeal().isEmpty());
    outputStream1.invokeSealedCallBack();
    outputStream2.invokeSealedCallBack();
    writer.writeEvent(routingKey, "Bar");
    Mockito.verify(controller, Mockito.times(1)).getCurrentSegments(any(), any());
    assertEquals(0, outputStream2.acked.size());
    assertEquals(2, outputStream2.unacked.size());
    assertEquals("Foo", serializer.deserialize(outputStream2.getUnacked(0)));
    assertEquals(3, outputStream3.acked.size());
    assertEquals(1, outputStream3.unacked.size());
    assertEquals("Foo", serializer.deserialize(outputStream3.getAcked(0)));
    assertEquals("Bar", serializer.deserialize(outputStream3.getUnacked(0)));
}

Example 94 with Segment

use of io.pravega.client.segment.impl.Segment in project pravega by pravega.

the class EventStreamWriterTest method testRetryFlushSegmentSealed.

@Test
public void testRetryFlushSegmentSealed() throws EndOfSegmentException, SegmentTruncatedException {
    String scope = "scope";
    String streamName = "stream";
    StreamImpl stream = new StreamImpl(scope, streamName);
    Segment segment1 = new Segment(scope, streamName, 0);
    Segment segment2 = new Segment(scope, streamName, 1);
    EventWriterConfig config = EventWriterConfig.builder().build();
    SegmentOutputStreamFactory streamFactory = Mockito.mock(SegmentOutputStreamFactory.class);
    Controller controller = Mockito.mock(Controller.class);
    SealedSegmentOutputStream outputStream = new SealedSegmentOutputStream(segment1);
    Mockito.when(controller.getCurrentSegments(scope, streamName)).thenReturn(getSegmentsFuture(segment1));
    Mockito.when(controller.getSuccessors(segment1)).thenReturn(getReplacement(segment1, segment2));
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment1), any(), any(), any())).thenAnswer(i -> {
        outputStream.callBackForSealed = i.getArgument(1);
        return outputStream;
    });
    JavaSerializer<String> serializer = new JavaSerializer<>();
    @Cleanup EventStreamWriter<String> writer = new EventStreamWriterImpl<>(stream, "id", controller, streamFactory, serializer, config, executorService(), executorService(), null);
    writer.writeEvent("Foo");
    Mockito.verify(controller).getCurrentSegments(any(), any());
    assertTrue(outputStream.getUnackedEventsOnSeal().size() > 0);
    MockSegmentIoStreams outputStream2 = new MockSegmentIoStreams(segment2, null);
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment2), any(), any(), any())).thenReturn(outputStream2);
    AssertExtensions.assertBlocks(() -> {
        // blocking on flush.
        writer.flush();
    }, () -> {
        // trigger release with a segmentSealedException.
        outputStream.releaseFlush();
        // trigger Sealed Segment call back.
        outputStream.invokeSealedCallBack();
    });
    Mockito.verify(controller, Mockito.times(1)).getCurrentSegments(any(), any());
    assertTrue(outputStream2.fetchCurrentSegmentLength().join() > 0);
    assertEquals(serializer.serialize("Foo"), outputStream2.read());
}

Example 95 with Segment

use of io.pravega.client.segment.impl.Segment in project pravega by pravega.

the class ReaderGroupStateTest method getOffsetMap.

private Map<Segment, Long> getOffsetMap(List<String> scopes, List<String> streams, long offset) {
    Map<Segment, Long> offsetMap = new HashMap<>();
    scopes.forEach(scope -> streams.forEach(stream -> offsetMap.put(new Segment(scope, stream, 0), offset)));
    return offsetMap;
}