All Classes
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All Classes Interface Summary Class Summary Class Description ConsumerRecordTransformer<K,V> This is the transformer class whose responsibility is to: define the id of the output streams declare the list of fields of the output tuple translate the incoming Kafka record into the list of values of the output tupleDefaultConsumerRecordTransformer<K,V> DefaultKafkaConsumerFactory<K,V> a simple Kafka Consumer factory that builds a KafkaConsumer instance from aMap
as the properties to configure it.DefaultTopicPatternProvider the built-in default pattern provider to create a topic pattern out of a regex stringKafkaConsumerFactory<K,V> the factory to create the underlying KafkaConsumer instance the Kafka Spout will be using to consume data from Kafka clusterKafkaMetricDecorator<M extends org.apache.kafka.common.Metric> a decorator to convert a Kafka Metric to a Heron Metric so that Kafka metrics can be exposed via Heron Metrics ManagerKafkaSpout<K,V> Kafka spout to consume data from Kafka topic(s), each record is converted into a tuple viaConsumerRecordTransformer
, and emitted into a topologyTopicPatternProvider convenient interface to provider a topic match pattern