Package org.apache.kafka.streams.kstream

Interface ForeachAction<K,V>

Type Parameters:
K - key type
V - value type
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public interface ForeachAction<K,V>
The ForeachAction interface for performing an action on a key-value pair. This is a stateless record-by-record operation, i.e, apply(Object, Object) is invoked individually for each record of a stream. If stateful processing is required, consider using KStream#process(...).
See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    apply(K key, V value)
    Perform an action for each record of a stream.

  • Method Details

    • apply

      void apply(K key, V value)
      Perform an action for each record of a stream.
      Parameters:
      key - the key of the record
      value - the value of the record