Package io.debezium.transforms.scripting

Interface Engine

  • All Known Implementing Classes:
    GraalJsEngine, Jsr223Engine
    public interface Engine
    The interface serves as an abstraction of expression language engine.
    Author:
    Jiri Pechanec

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void configure​(String language, String expression)
      Pre-compiles the expression for repeated execution.
      <T> T eval​(org.apache.kafka.connect.connector.ConnectRecord<?> record, Class<T> type)
      Calculate a value out of the record.

    • Method Detail

      • configure

        void configure​(String language,
               String expression)
        Pre-compiles the expression for repeated execution. The method is called once upon the engine initialization.
        Parameters:
        expression -

      • eval

        <T> T eval​(org.apache.kafka.connect.connector.ConnectRecord<?> record,
           Class<T> type)
        Calculate a value out of the record.
        Parameters:
        record - to be used
        Returns:
        result of calculation