Package org.apache.kafka.streams.kstream
Interface Initializer<VAgg>
- Type Parameters:
VAgg- aggregate value type
public interface Initializer<VAgg>
The
Initializer interface for creating an initial value in aggregations. Initializer is used in combination with Aggregator.- See Also:
Method Summary
Method Details
apply
VAgg apply()Return the initial value for an aggregation.- Returns:
- the initial value for an aggregation