Examples with SubscriptionNotInitializedException org.zalando.nakadi.service.subscription.zk.SubscriptionNotInitializedException used on opensource projects

Example 1 with SubscriptionNotInitializedException

use of org.zalando.nakadi.service.subscription.zk.SubscriptionNotInitializedException in project nakadi by zalando.

the class CursorsService method getSubscriptionCursors.

public List<SubscriptionCursorWithoutToken> getSubscriptionCursors(final String subscriptionId) throws NakadiException, ServiceTemporarilyUnavailableException {
    final Subscription subscription = subscriptionRepository.getSubscription(subscriptionId);
    final ZkSubscriptionClient zkSubscriptionClient = zkSubscriptionFactory.createClient(subscription, "subscription." + subscriptionId + ".get_cursors");
    final ImmutableList.Builder<SubscriptionCursorWithoutToken> cursorsListBuilder = ImmutableList.builder();
    Partition[] partitions;
    try {
        partitions = zkSubscriptionClient.getTopology().getPartitions();
    } catch (final SubscriptionNotInitializedException ex) {
        partitions = new Partition[] {};
    }
    final Map<EventTypePartition, SubscriptionCursorWithoutToken> positions = zkSubscriptionClient.getOffsets(Stream.of(partitions).map(Partition::getKey).collect(Collectors.toList()));
    for (final Partition p : partitions) {
        cursorsListBuilder.add(positions.get(p.getKey()));
    }
    return cursorsListBuilder.build();
}