Package org.apache.flink.streaming.api.functions.co

Class ProcessJoinFunction.Context

java.lang.Object
org.apache.flink.streaming.api.functions.co.ProcessJoinFunction.Context
Enclosing class:
ProcessJoinFunction<IN1,IN2,OUT>
public abstract class ProcessJoinFunction.Context extends Object
The context that is available during an invocation of #processElement(Object, Object, Context, Collector). It gives access to the timestamps of the left element in the joined pair, the right one, and that of the joined pair. In addition, this context allows to emit elements on a side output.

  • Constructor Details

    • Context

      public Context()

  • Method Details

    • getLeftTimestamp

      public abstract long getLeftTimestamp()
      Returns:
      The timestamp of the left element of a joined pair

    • getRightTimestamp

      public abstract long getRightTimestamp()
      Returns:
      The timestamp of the right element of a joined pair

    • getTimestamp

      public abstract long getTimestamp()
      Returns:
      The timestamp of the joined pair.

    • output

      public abstract <X> void output(org.apache.flink.util.OutputTag<X> outputTag, X value)
      Emits a record to the side output identified by the OutputTag.
      Parameters:
      outputTag - The output tag that identifies the side output to emit to
      value - The record to emit