org.apache.ignite.stream

Interface StreamSingleTupleExtractor<T,K,V>

All Known Subinterfaces:

StreamTupleExtractor<T,K,V>

public interface StreamSingleTupleExtractor<T,K,V>

Stream tuple extractor to convert a message to a single Ignite key-value tuple.

Alternatively, StreamMultipleTupleExtractor can be used in cases where a single message/event may produce more than one tuple.

NOTE: This interface supersedes the former StreamTupleExtractor which is now deprecated.

See Also:

StreamMultipleTupleExtractor

Method Summary

Modifier and Type	Method and Description
Map.Entry<K,V>	extract(T msg) Extracts a key-value tuple from a message.

Method Detail

extract

Map.Entry<K,V> extract(T msg)

Extracts a key-value tuple from a message.

Parameters:

msg - Message.

Returns:

Key-value tuple.