Package org.apache.kafka.streams.kstream
Interface Predicate<K,V>
- Type Parameters:
K- key typeV- value type
public interface Predicate<K,V>
The
Predicate interface represents a predicate (boolean-valued function) of a KeyValue pair. This is a stateless record-by-record operation, i.e, test(Object, Object) is invoked individually for each record of a stream.- See Also:
Method Summary
Method Details
test
Test if the record with the given key and value satisfies the predicate.- Parameters:
key- the key of the recordvalue- the value of the record- Returns:
trueif theKeyValuepair satisfies the predicate—falseotherwise