org.apache.ignite.stream

Interface StreamMultipleTupleExtractor<T,K,V>

public interface StreamMultipleTupleExtractor<T,K,V>

Stream tuple extractor to convert a single message to zero, one or many tuples.

For cases where cardinality will always be 1:1 (or 0:1), you may consider StreamTupleExtractor.

See Also:

StreamTupleExtractor

Method Summary

Methods

Modifier and Type	Method and Description
Map<K,V>	extract(T msg) Extracts a set of key-values from a message.

Method Detail

extract

Map<K,V> extract(T msg)

Extracts a set of key-values from a message.

Parameters:

msg - Message.

Returns:

Map containing resulting tuples.