class TimeWindowedCogroupedKStream[K, V] extends AnyRef
Wraps the Java class TimeWindowedCogroupedKStream and delegates method calls to the underlying Java object.
- K
Type of keys
- V
Type of values
- See also
org.apache.kafka.streams.kstream.TimeWindowedCogroupedKStream
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TimeWindowedCogroupedKStream(inner: kstream.TimeWindowedCogroupedKStream[K, V])
- inner
The underlying Java abstraction for TimeWindowedCogroupedKStream
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def
aggregate(initializer: ⇒ V, named: Named)(implicit materialized: Materialized[K, V, ByteArrayWindowStore]): KTable[Windowed[K], V]
Aggregate the values of records in these streams by the grouped key and defined window.
Aggregate the values of records in these streams by the grouped key and defined window.
- initializer
an initializer function that computes an initial intermediate aggregation result
- named
a Named config used to name the processor in the topology
- materialized
an instance of
Materialized
used to materialize a state store.- returns
a KTable that contains "update" records with unmodified keys, and values that represent the latest (rolling) aggregate for each key
- See also
org.apache.kafka.streams.kstream.TimeWindowedCogroupedKStream#aggregate
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def
aggregate(initializer: ⇒ V)(implicit materialized: Materialized[K, V, ByteArrayWindowStore]): KTable[Windowed[K], V]
Aggregate the values of records in these streams by the grouped key and defined window.
Aggregate the values of records in these streams by the grouped key and defined window.
- initializer
an initializer function that computes an initial intermediate aggregation result
- materialized
an instance of
Materialized
used to materialize a state store.- returns
a KTable that contains "update" records with unmodified keys, and values that represent the latest (rolling) aggregate for each key
- See also
org.apache.kafka.streams.kstream.TimeWindowedCogroupedKStream#aggregate
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- val inner: kstream.TimeWindowedCogroupedKStream[K, V]
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