Examples with NakadiCursor org.zalando.nakadi.domain.NakadiCursor used on opensource projects

Example 11 with NakadiCursor

use of org.zalando.nakadi.domain.NakadiCursor in project nakadi by zalando.

the class CursorOperationsServiceTest method calculateDistanceWhenTimelineInTheFutureAndDoesntExist.

@Test
public void calculateDistanceWhenTimelineInTheFutureAndDoesntExist() throws Exception {
    final Timeline initialTimeline = mockTimeline(1, 10L);
    final Timeline finalTimeline = mockTimeline(2, 0L);
    final Timeline futureTimeline = mockTimeline(4, 0L);
    mockTimelines(initialTimeline, finalTimeline);
    final NakadiCursor initialCursor = NakadiCursor.of(finalTimeline, "0", "0000000000000001");
    final NakadiCursor finalCursor = NakadiCursor.of(futureTimeline, "0", "0000000000000002");
    expectException(initialCursor, finalCursor, TIMELINE_NOT_FOUND);
}

Example 12 with NakadiCursor

use of org.zalando.nakadi.domain.NakadiCursor in project nakadi by zalando.

the class CursorOperationsServiceTest method whenCursorTimelinesAreInvertedThenNegativeDistance.

@Test
public void whenCursorTimelinesAreInvertedThenNegativeDistance() throws Exception {
    final Timeline initialTimeline = mockTimeline(1, 7L);
    final Timeline intermediaryTimeline = mockTimeline(2, 9L);
    final Timeline finalTimeline = mockTimeline(3, 5L);
    final NakadiCursor initialCursor = NakadiCursor.of(initialTimeline, "0", "0000000000000001");
    final NakadiCursor finalCursor = NakadiCursor.of(finalTimeline, "0", "0000000000000003");
    mockTimelines(initialTimeline, intermediaryTimeline, finalTimeline);
    final Long distance = service.calculateDistance(finalCursor, initialCursor);
    // Carefully calculated value
    assertThat(distance, equalTo(-20L));
}

Example 13 with NakadiCursor

use of org.zalando.nakadi.domain.NakadiCursor in project nakadi by zalando.

the class CursorOperationsServiceTest method missingPartitionInTimeline.

@Test
public void missingPartitionInTimeline() throws Exception {
    final Timeline initialTimeline = mockTimeline(0, 10L);
    final Timeline intermediaryTimeline = mockTimeline(1, 9L);
    final Timeline finalTimeline = mockTimeline(2, 0L);
    mockTimelines(initialTimeline, intermediaryTimeline, finalTimeline);
    final NakadiCursor initialCursor = NakadiCursor.of(initialTimeline, "1", "0000000000000003");
    final NakadiCursor finalCursor = NakadiCursor.of(finalTimeline, "1", "0000000000000001");
    expectException(initialCursor, finalCursor, PARTITION_NOT_FOUND);
}

Example 14 with NakadiCursor

use of org.zalando.nakadi.domain.NakadiCursor in project nakadi by zalando.

the class CursorOperationsServiceTest method testDistanceWithEmptyTimelines.

@Test
public void testDistanceWithEmptyTimelines() throws Exception {
    final Timeline first = mockTimeline(1, 9L);
    final Timeline last = mockOpenTimeline(5);
    mockTimelines(first, mockTimeline(2, -1L), mockTimeline(3, -1L), mockTimeline(4, -1L), last);
    final NakadiCursor firstCursor = NakadiCursor.of(first, "0", "000000000000000001");
    final NakadiCursor lastCursor = NakadiCursor.of(last, "0", "000000000000000010");
    assertEquals(service.calculateDistance(firstCursor, lastCursor), 19L);
    assertEquals(service.calculateDistance(lastCursor, firstCursor), -19L);
}

Example 15 with NakadiCursor

use of org.zalando.nakadi.domain.NakadiCursor in project nakadi by zalando.

the class CursorOperationsServiceTest method shiftCursorBackInTheSameTimelineClosed.

@Test
public void shiftCursorBackInTheSameTimelineClosed() {
    final Timeline initialTimeline = mockTimeline(0, 10L);
    final ShiftedNakadiCursor shiftedCursor = new ShiftedNakadiCursor(initialTimeline, "0", "000000000000000003", -3L);
    final NakadiCursor cursor = service.unshiftCursor(shiftedCursor);
    assertThat(cursor.getOffset(), equalTo("000000000000000000"));
}