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.-
Method Summary
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Method Details
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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
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