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

Example 6 with ShiftedNakadiCursor

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

the class CursorOperationsController method moveCursors.

@RequestMapping(path = "/event-types/{eventTypeName}/shifted-cursors", method = RequestMethod.POST)
public ResponseEntity<?> moveCursors(@PathVariable("eventTypeName") final String eventTypeName, @Valid @RequestBody final ValidListWrapper<ShiftedCursor> cursors) throws InternalNakadiException, NoSuchEventTypeException {
    final EventType eventType = eventTypeRepository.findByName(eventTypeName);
    authorizationValidator.authorizeStreamRead(eventType);
    final List<ShiftedNakadiCursor> domainCursor = cursors.getList().stream().map(this.toShiftedNakadiCursor(eventTypeName)).collect(Collectors.toList());
    final List<NakadiCursor> domainResultCursors = cursorOperationsService.unshiftCursors(domainCursor);
    final List<Cursor> viewResult = domainResultCursors.stream().map(cursorConverter::convert).collect(Collectors.toList());
    return status(OK).body(viewResult);
}

Example 7 with ShiftedNakadiCursor

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

the class CursorOperationsServiceTest method shiftCursorBackToPreviousTimeline.

@Test
public void shiftCursorBackToPreviousTimeline() throws Exception {
    final Timeline initialTimeline = mockTimeline(0, 10L);
    final Timeline intermediaryTimeline = mockTimeline(1, 9L);
    final Timeline finalTimeline = mockTimeline(2, 9L);
    mockTimelines(initialTimeline, intermediaryTimeline, finalTimeline);
    final ShiftedNakadiCursor shiftedCursor = new ShiftedNakadiCursor(finalTimeline, "0", "000000000000000003", -15L);
    final NakadiCursor cursor = service.unshiftCursor(shiftedCursor);
    assertThat(cursor.getTimeline().getOrder(), equalTo(0));
    assertThat(cursor.getOffset(), equalTo("000000000000000009"));
}

Example 8 with ShiftedNakadiCursor

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

the class CursorOperationsServiceTest method shiftCursorForwardInTheSameTimelineOpen.

@Test
public void shiftCursorForwardInTheSameTimelineOpen() {
    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("000000000000000006"));
}

Example 9 with ShiftedNakadiCursor

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

the class CursorOperationsServiceTest method shiftCursorToTheRightSameClosedTimeline.

@Test
public void shiftCursorToTheRightSameClosedTimeline() throws Exception {
    final Timeline initialTimeline = mockTimeline(0, 10L);
    final ShiftedNakadiCursor shiftedCursor = new ShiftedNakadiCursor(initialTimeline, "0", "000000000000000003", 2L);
    mockTimelines(initialTimeline);
    final NakadiCursor cursor = service.unshiftCursor(shiftedCursor);
    assertThat(cursor.getOffset(), equalTo("000000000000000005"));
}

Example 10 with ShiftedNakadiCursor

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

the class CursorOperationsServiceTest method testShiftToInitialBegin.

@Test
public void testShiftToInitialBegin() throws Exception {
    final Timeline first = mockTimeline(1, 1L);
    final Timeline last = mockOpenTimeline(2);
    mockTimelines(first, last);
    final ShiftedNakadiCursor moveBack = new ShiftedNakadiCursor(last, "0", "000000000000000001", -4);
    assertEquals(NakadiCursor.of(first, "0", "-1"), service.unshiftCursor(moveBack));
}