Examples with InternalNakadiException org.zalando.nakadi.exceptions.InternalNakadiException used on opensource projects

Example 6 with InternalNakadiException

use of org.zalando.nakadi.exceptions.InternalNakadiException in project nakadi by zalando.

the class CachingEventTypeRepository method removeEventType.

@Override
public void removeEventType(final String name) throws InternalNakadiException, NoSuchEventTypeException {
    final EventType original = this.repository.findByName(name);
    this.repository.removeEventType(name);
    try {
        this.cache.removed(name);
    } catch (Exception e) {
        LOG.error("Failed to remove entry from cache '" + name + "'");
        try {
            this.repository.saveEventType(original);
        } catch (DuplicatedEventTypeNameException e1) {
            LOG.error("Failed to rollback db removal", e);
        }
        throw new InternalNakadiException("Failed to remove event type", e);
    }
}

Example 7 with InternalNakadiException

use of org.zalando.nakadi.exceptions.InternalNakadiException in project nakadi by zalando.

the class EventTypeDbRepository method saveEventType.

@Override
@Transactional
public EventType saveEventType(final EventTypeBase eventTypeBase) throws InternalNakadiException, DuplicatedEventTypeNameException {
    try {
        final DateTime now = new DateTime(DateTimeZone.UTC);
        final EventType eventType = new EventType(eventTypeBase, "1.0.0", now, now);
        jdbcTemplate.update("INSERT INTO zn_data.event_type (et_name, et_event_type_object) VALUES (?, ?::jsonb)", eventTypeBase.getName(), jsonMapper.writer().writeValueAsString(eventType));
        insertEventTypeSchema(eventType);
        return eventType;
    } catch (final JsonProcessingException e) {
        throw new InternalNakadiException("Serialization problem during persistence of event type", e);
    } catch (final DuplicateKeyException e) {
        throw new DuplicatedEventTypeNameException("EventType " + eventTypeBase.getName() + " already exists.", e);
    }
}

Example 8 with InternalNakadiException

use of org.zalando.nakadi.exceptions.InternalNakadiException in project nakadi by zalando.

the class VersionZeroConverter method convertBatched.

public List<NakadiCursor> convertBatched(final List<SubscriptionCursorWithoutToken> cursors) throws InvalidCursorException, InternalNakadiException, NoSuchEventTypeException, ServiceUnavailableException {
    final NakadiCursor[] result = new NakadiCursor[cursors.size()];
    for (int idx = 0; idx < cursors.size(); ++idx) {
        final SubscriptionCursorWithoutToken cursor = cursors.get(idx);
        if (Cursor.BEFORE_OLDEST_OFFSET.equalsIgnoreCase(cursor.getOffset())) {
            // Preform begin checks afterwards to optimize calls
            continue;
        }
        if (!NUMBERS_ONLY_PATTERN.matcher(cursor.getOffset()).matches()) {
            throw new InvalidCursorException(CursorError.INVALID_OFFSET, cursor);
        }
    }
    // now it is time for massive convert.
    final LinkedHashMap<SubscriptionCursorWithoutToken, NakadiCursor> beginsToConvert = new LinkedHashMap<>();
    final Map<SubscriptionCursorWithoutToken, Timeline> cursorTimelines = new HashMap<>();
    final Map<TopicRepository, List<SubscriptionCursorWithoutToken>> repos = new HashMap<>();
    for (int i = 0; i < result.length; ++i) {
        if (null == result[i]) {
            // cursor requires database hit
            final SubscriptionCursorWithoutToken cursor = cursors.get(i);
            final Timeline timeline = timelineService.getActiveTimelinesOrdered(cursor.getEventType()).get(0);
            final TopicRepository topicRepo = timelineService.getTopicRepository(timeline);
            beginsToConvert.put(cursor, null);
            cursorTimelines.put(cursor, timeline);
            repos.computeIfAbsent(topicRepo, k -> new ArrayList<>()).add(cursor);
        }
    }
    for (final Map.Entry<TopicRepository, List<SubscriptionCursorWithoutToken>> entry : repos.entrySet()) {
        final List<Optional<PartitionStatistics>> stats = entry.getKey().loadPartitionStatistics(entry.getValue().stream().map(scwt -> new TopicRepository.TimelinePartition(cursorTimelines.get(scwt), scwt.getPartition())).collect(Collectors.toList()));
        for (int idx = 0; idx < entry.getValue().size(); ++idx) {
            // Reinsert doesn't change the order
            beginsToConvert.put(entry.getValue().get(idx), stats.get(idx).orElseThrow(() -> new InvalidCursorException(PARTITION_NOT_FOUND)).getBeforeFirst());
        }
    }
    final Iterator<NakadiCursor> missingBegins = beginsToConvert.values().iterator();
    return Stream.of(result).map(it -> null == it ? missingBegins.next() : it).collect(Collectors.toList());
}

Example 9 with InternalNakadiException

use of org.zalando.nakadi.exceptions.InternalNakadiException in project nakadi by zalando.

the class CursorOperationsController method getDistance.

@RequestMapping(path = "/event-types/{eventTypeName}/cursor-distances", method = RequestMethod.POST)
public ResponseEntity<?> getDistance(@PathVariable("eventTypeName") final String eventTypeName, @Valid @RequestBody final ValidListWrapper<CursorDistance> queries) throws InternalNakadiException, NoSuchEventTypeException {
    final EventType eventType = eventTypeRepository.findByName(eventTypeName);
    authorizationValidator.authorizeStreamRead(eventType);
    queries.getList().forEach(query -> {
        try {
            final NakadiCursor initialCursor = cursorConverter.convert(eventTypeName, query.getInitialCursor());
            final NakadiCursor finalCursor = cursorConverter.convert(eventTypeName, query.getFinalCursor());
            final Long distance = cursorOperationsService.calculateDistance(initialCursor, finalCursor);
            query.setDistance(distance);
        } catch (InternalNakadiException | ServiceUnavailableException e) {
            throw new MyNakadiRuntimeException1("problem calculating cursors distance", e);
        } catch (final NoSuchEventTypeException e) {
            throw new NotFoundException("event type not found", e);
        } catch (final InvalidCursorException e) {
            throw new CursorConversionException("problem converting cursors", e);
        }
    });
    return status(OK).body(queries.getList());
}

Example 10 with InternalNakadiException

use of org.zalando.nakadi.exceptions.InternalNakadiException in project nakadi by zalando.

the class EventStreamController method getStreamingStart.

@VisibleForTesting
List<NakadiCursor> getStreamingStart(final EventType eventType, final String cursorsStr) throws UnparseableCursorException, ServiceUnavailableException, InvalidCursorException, InternalNakadiException, NoSuchEventTypeException {
    List<Cursor> cursors = null;
    if (cursorsStr != null) {
        try {
            cursors = jsonMapper.readValue(cursorsStr, new TypeReference<ArrayList<Cursor>>() {
            });
        } catch (final IOException ex) {
            throw new UnparseableCursorException("incorrect syntax of X-nakadi-cursors header", ex, cursorsStr);
        }
        // Unfortunately, In order to have consistent exception checking, one can not just call validator
        for (final Cursor cursor : cursors) {
            if (null == cursor.getPartition()) {
                throw new InvalidCursorException(CursorError.NULL_PARTITION, cursor);
            } else if (null == cursor.getOffset()) {
                throw new InvalidCursorException(CursorError.NULL_OFFSET, cursor);
            }
        }
    }
    final Timeline latestTimeline = timelineService.getActiveTimeline(eventType);
    if (null != cursors) {
        if (cursors.isEmpty()) {
            throw new InvalidCursorException(CursorError.INVALID_FORMAT);
        }
        final List<NakadiCursor> result = new ArrayList<>();
        for (final Cursor c : cursors) {
            result.add(cursorConverter.convert(eventType.getName(), c));
        }
        for (final NakadiCursor c : result) {
            if (c.getTimeline().isDeleted()) {
                throw new InvalidCursorException(CursorError.UNAVAILABLE, c);
            }
        }
        final Map<Storage, List<NakadiCursor>> groupedCursors = result.stream().collect(Collectors.groupingBy(c -> c.getTimeline().getStorage()));
        for (final Map.Entry<Storage, List<NakadiCursor>> entry : groupedCursors.entrySet()) {
            timelineService.getTopicRepository(entry.getKey()).validateReadCursors(entry.getValue());
        }
        return result;
    } else {
        final TopicRepository latestTopicRepository = timelineService.getTopicRepository(latestTimeline);
        // if no cursors provided - read from the newest available events
        return latestTopicRepository.loadTopicStatistics(Collections.singletonList(latestTimeline)).stream().map(PartitionStatistics::getLast).collect(Collectors.toList());
    }
}