co.cask.cdap.api.stream

Interface StreamEventDecoder<K,V>

Type Parameters:

K - Type of key that this class decodes.

V - Type of value that this class decodes.

public interface StreamEventDecoder<K,V>

Represents decoder that turns StreamEvent into key value pair.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	StreamEventDecoder.DecodeResult<K,V> Represents the decoded result pair.

Method Summary

Methods

Modifier and Type	Method and Description
StreamEventDecoder.DecodeResult<K,V>	decode(StreamEvent event, StreamEventDecoder.DecodeResult<K,V> result) Decode a StreamEvent.

Method Detail

decode

StreamEventDecoder.DecodeResult<K,V> decode(StreamEvent event,
                                          StreamEventDecoder.DecodeResult<K,V> result)

Decode a StreamEvent.

Parameters:

event - The event to be decoded.

result - Reusable object for putting decode result.

Returns:

The decode result. It can be the same instance as the one provided as argument.