org.apache.flink.streaming.util.serialization

Interface DeserializationSchema<T>

All Superinterfaces:

org.apache.flink.api.java.typeutils.ResultTypeQueryable<T>, Serializable

All Known Implementing Classes:

JavaDefaultStringSchema, RawSchema, SimpleStringSchema, TypeInformationSerializationSchema

public interface DeserializationSchema<T>
extends Serializable, org.apache.flink.api.java.typeutils.ResultTypeQueryable<T>

Method Summary

Modifier and Type	Method and Description
T	deserialize(byte[] message) Deserializes the incoming data.
boolean	isEndOfStream(T nextElement) Method to decide whether the element signals the end of the stream.

Methods inherited from interface org.apache.flink.api.java.typeutils.ResultTypeQueryable

getProducedType

Method Detail

deserialize

T deserialize(byte[] message)

Deserializes the incoming data.

Parameters:

message - The incoming message in a byte array

Returns:

The deserialized message in the required format.

isEndOfStream

boolean isEndOfStream(T nextElement)

Method to decide whether the element signals the end of the stream. If true is returned the element won't be emitted

Parameters:

nextElement - The element to test for end signal

Returns:

The end signal, if true the stream shuts down