org.apache.flink.streaming.api.functions.sink

Class SocketClientSink<IN>

java.lang.Object

org.apache.flink.api.common.functions.AbstractRichFunction

org.apache.flink.streaming.api.functions.sink.RichSinkFunction<IN>

org.apache.flink.streaming.api.functions.sink.SocketClientSink<IN>

Type Parameters:

IN - data to be written into the Socket.

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction, SinkFunction<IN>

public class SocketClientSink<IN>
extends RichSinkFunction<IN>

Socket client that acts as a streaming sink. The data is sent to a Socket as a byte array.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SocketClientSink(String hostName, int port, SerializationSchema<IN,byte[]> schema) Default constructor.

Method Summary

Modifier and Type	Method and Description
void	close() Closes the connection with the Socket server.
void	intializeConnection() Initializes the connection to Socket.
void	invoke(IN value) Called when new data arrives to the sink, and forwards it to Socket.
void	open(org.apache.flink.configuration.Configuration parameters) Initialize the connection with the Socket in the server.

Methods inherited from class org.apache.flink.api.common.functions.AbstractRichFunction

getIterationRuntimeContext, getRuntimeContext, setRuntimeContext

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SocketClientSink

public SocketClientSink(String hostName,
                        int port,
                        SerializationSchema<IN,byte[]> schema)

Default constructor.

Parameters:

hostName - Host of the Socket server.

port - Port of the Socket.

schema - Schema of the data.

Method Detail

intializeConnection

public void intializeConnection()

Initializes the connection to Socket.

invoke

public void invoke(IN value)

Called when new data arrives to the sink, and forwards it to Socket.

Specified by:

invoke in interface SinkFunction<IN>

Specified by:

invoke in class RichSinkFunction<IN>

Parameters:

value - The incoming data

open

public void open(org.apache.flink.configuration.Configuration parameters)

Initialize the connection with the Socket in the server.

Specified by:

open in interface org.apache.flink.api.common.functions.RichFunction

Overrides:

open in class org.apache.flink.api.common.functions.AbstractRichFunction

Parameters:

parameters - Configuration.

close

public void close()

Closes the connection with the Socket server.

Specified by:

close in interface org.apache.flink.api.common.functions.RichFunction

Overrides:

close in class org.apache.flink.api.common.functions.AbstractRichFunction