Package org.apache.flink.streaming.experimental

Class CollectSink<IN>

java.lang.Object
org.apache.flink.api.common.functions.AbstractRichFunction
org.apache.flink.streaming.api.functions.sink.legacy.RichSinkFunction<IN>
org.apache.flink.streaming.experimental.CollectSink<IN>
All Implemented Interfaces:
Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction, org.apache.flink.streaming.api.functions.sink.legacy.SinkFunction<IN>
@Experimental public class CollectSink<IN> extends org.apache.flink.streaming.api.functions.sink.legacy.RichSinkFunction<IN>
A specialized data sink to be used by DataStreamUtils.collect().

This experimental class is relocated from flink-streaming-contrib. Please see package-info.java for more information.

See Also:

  • Nested Class Summary

    Nested classes/interfaces inherited from interface org.apache.flink.streaming.api.functions.sink.legacy.SinkFunction

    org.apache.flink.streaming.api.functions.sink.legacy.SinkFunction.Context

  • Constructor Summary

    Constructors
    Constructor
    Description
    CollectSink(InetAddress hostIp, int port, org.apache.flink.api.common.typeutils.TypeSerializer<IN> serializer)
    Creates a CollectSink that will send the data to the specified host.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    close()
    Closes the connection with the Socket server.
    void
    invoke(IN value, org.apache.flink.streaming.api.functions.sink.legacy.SinkFunction.Context context)
     
    void
    open(org.apache.flink.api.common.functions.OpenContext openContext)
    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

    Methods inherited from interface org.apache.flink.streaming.api.functions.sink.legacy.SinkFunction

    finish, invoke, writeWatermark

  • Constructor Details

    • CollectSink

      public CollectSink(InetAddress hostIp, int port, org.apache.flink.api.common.typeutils.TypeSerializer<IN> serializer)
      Creates a CollectSink that will send the data to the specified host.
      Parameters:
      hostIp - IP address of the Socket server.
      port - Port of the Socket server.
      serializer - A serializer for the data.

  • Method Details

    • invoke

      public void invoke(IN value, org.apache.flink.streaming.api.functions.sink.legacy.SinkFunction.Context context) throws Exception
      Throws:
      Exception

    • open

      public void open(org.apache.flink.api.common.functions.OpenContext openContext) throws Exception
      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:
      openContext - the context.
      Throws:
      Exception

    • close

      public void close() throws Exception
      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
      Throws:
      Exception