Search in sources :

Example 1 with KafkaFilterCondition

use of io.aklivity.zilla.runtime.binding.kafka.internal.cache.KafkaCacheCursorFactory.KafkaFilterCondition in project zilla by aklivity.

the class KafkaCacheClientFetchFactory method newStream.

@Override
public MessageConsumer newStream(int msgTypeId, DirectBuffer buffer, int index, int length, MessageConsumer sender) {
    final BeginFW begin = beginRO.wrap(buffer, index, index + length);
    final long routeId = begin.routeId();
    final long initialId = begin.streamId();
    final long affinity = begin.affinity();
    final long authorization = begin.authorization();
    assert (initialId & 0x0000_0000_0000_0001L) != 0L;
    final OctetsFW extension = begin.extension();
    final ExtensionFW beginEx = extension.get(extensionRO::tryWrap);
    assert beginEx != null && beginEx.typeId() == kafkaTypeId;
    final KafkaBeginExFW kafkaBeginEx = extension.get(kafkaBeginExRO::wrap);
    assert kafkaBeginEx.kind() == KafkaBeginExFW.KIND_FETCH;
    final KafkaFetchBeginExFW kafkaFetchBeginEx = kafkaBeginEx.fetch();
    final String16FW beginTopic = kafkaFetchBeginEx.topic();
    final KafkaOffsetFW progress = kafkaFetchBeginEx.partition();
    final ArrayFW<KafkaFilterFW> filters = kafkaFetchBeginEx.filters();
    final KafkaDeltaType deltaType = kafkaFetchBeginEx.deltaType().get();
    final String topicName = beginTopic.asString();
    MessageConsumer newStream = null;
    final KafkaBindingConfig binding = supplyBinding.apply(routeId);
    final KafkaRouteConfig resolved = binding != null ? binding.resolve(authorization, topicName) : null;
    if (resolved != null) {
        final long resolvedId = resolved.id;
        final int partitionId = progress.partitionId();
        final long partitionOffset = progress.partitionOffset();
        final KafkaCacheRoute cacheRoute = supplyCacheRoute.apply(resolvedId);
        final long partitionKey = cacheRoute.topicPartitionKey(topicName, partitionId);
        KafkaCacheClientFetchFanout fanout = cacheRoute.clientFetchFanoutsByTopicPartition.get(partitionKey);
        if (fanout == null) {
            final String cacheName = String.format("%s.%s", supplyNamespace.apply(resolvedId), supplyLocalName.apply(resolvedId));
            final KafkaCache cache = supplyCache.apply(cacheName);
            final KafkaCacheTopic topic = cache.supplyTopic(topicName);
            final KafkaCachePartition partition = topic.supplyFetchPartition(partitionId);
            final long defaultOffset = resolved.with != null ? resolved.with.defaultOffset.value() : KafkaOffsetType.HISTORICAL.value();
            final KafkaCacheClientFetchFanout newFanout = new KafkaCacheClientFetchFanout(resolvedId, authorization, affinity, partition, defaultOffset);
            cacheRoute.clientFetchFanoutsByTopicPartition.put(partitionKey, newFanout);
            fanout = newFanout;
        }
        final KafkaFilterCondition condition = cursorFactory.asCondition(filters);
        final long latestOffset = kafkaFetchBeginEx.partition().latestOffset();
        final KafkaOffsetType maximumOffset = KafkaOffsetType.valueOf((byte) latestOffset);
        final int leaderId = cacheRoute.leadersByPartitionId.get(partitionId);
        newStream = new KafkaCacheClientFetchStream(fanout, sender, routeId, initialId, leaderId, authorization, partitionOffset, condition, maximumOffset, deltaType)::onClientMessage;
    }
    return newStream;
}
Also used : KafkaCachePartition(io.aklivity.zilla.runtime.binding.kafka.internal.cache.KafkaCachePartition) KafkaDeltaType(io.aklivity.zilla.runtime.binding.kafka.internal.types.KafkaDeltaType) OctetsFW(io.aklivity.zilla.runtime.binding.kafka.internal.types.OctetsFW) KafkaFetchBeginExFW(io.aklivity.zilla.runtime.binding.kafka.internal.types.stream.KafkaFetchBeginExFW) BeginFW(io.aklivity.zilla.runtime.binding.kafka.internal.types.stream.BeginFW) KafkaCache(io.aklivity.zilla.runtime.binding.kafka.internal.cache.KafkaCache) String16FW(io.aklivity.zilla.runtime.binding.kafka.internal.types.String16FW) ExtensionFW(io.aklivity.zilla.runtime.binding.kafka.internal.types.stream.ExtensionFW) MessageConsumer(io.aklivity.zilla.runtime.engine.binding.function.MessageConsumer) KafkaBindingConfig(io.aklivity.zilla.runtime.binding.kafka.internal.config.KafkaBindingConfig) KafkaBeginExFW(io.aklivity.zilla.runtime.binding.kafka.internal.types.stream.KafkaBeginExFW) KafkaCacheTopic(io.aklivity.zilla.runtime.binding.kafka.internal.cache.KafkaCacheTopic) KafkaRouteConfig(io.aklivity.zilla.runtime.binding.kafka.internal.config.KafkaRouteConfig) KafkaOffsetFW(io.aklivity.zilla.runtime.binding.kafka.internal.types.KafkaOffsetFW) KafkaOffsetType(io.aklivity.zilla.runtime.binding.kafka.internal.types.KafkaOffsetType) KafkaFilterCondition(io.aklivity.zilla.runtime.binding.kafka.internal.cache.KafkaCacheCursorFactory.KafkaFilterCondition) KafkaFilterFW(io.aklivity.zilla.runtime.binding.kafka.internal.types.KafkaFilterFW)

Aggregations

KafkaCache (io.aklivity.zilla.runtime.binding.kafka.internal.cache.KafkaCache)1 KafkaFilterCondition (io.aklivity.zilla.runtime.binding.kafka.internal.cache.KafkaCacheCursorFactory.KafkaFilterCondition)1 KafkaCachePartition (io.aklivity.zilla.runtime.binding.kafka.internal.cache.KafkaCachePartition)1 KafkaCacheTopic (io.aklivity.zilla.runtime.binding.kafka.internal.cache.KafkaCacheTopic)1 KafkaBindingConfig (io.aklivity.zilla.runtime.binding.kafka.internal.config.KafkaBindingConfig)1 KafkaRouteConfig (io.aklivity.zilla.runtime.binding.kafka.internal.config.KafkaRouteConfig)1 KafkaDeltaType (io.aklivity.zilla.runtime.binding.kafka.internal.types.KafkaDeltaType)1 KafkaFilterFW (io.aklivity.zilla.runtime.binding.kafka.internal.types.KafkaFilterFW)1 KafkaOffsetFW (io.aklivity.zilla.runtime.binding.kafka.internal.types.KafkaOffsetFW)1 KafkaOffsetType (io.aklivity.zilla.runtime.binding.kafka.internal.types.KafkaOffsetType)1 OctetsFW (io.aklivity.zilla.runtime.binding.kafka.internal.types.OctetsFW)1 String16FW (io.aklivity.zilla.runtime.binding.kafka.internal.types.String16FW)1 BeginFW (io.aklivity.zilla.runtime.binding.kafka.internal.types.stream.BeginFW)1 ExtensionFW (io.aklivity.zilla.runtime.binding.kafka.internal.types.stream.ExtensionFW)1 KafkaBeginExFW (io.aklivity.zilla.runtime.binding.kafka.internal.types.stream.KafkaBeginExFW)1 KafkaFetchBeginExFW (io.aklivity.zilla.runtime.binding.kafka.internal.types.stream.KafkaFetchBeginExFW)1 MessageConsumer (io.aklivity.zilla.runtime.engine.binding.function.MessageConsumer)1