Package org.apache.kafka.connect.transforms

Interface Transformation<R extends ConnectRecord<R>>

  • All Superinterfaces:
    AutoCloseable, Closeable, org.apache.kafka.common.Configurable
    public interface Transformation<R extends ConnectRecord<R>>
extends org.apache.kafka.common.Configurable, Closeable
    Single message transformation for Kafka Connect record types. Connectors can be configured with transformations to make lightweight message-at-a-time modifications.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      R apply​(R record)
      Apply transformation to the record and return another record object (which may be record itself) or null, corresponding to a map or filter operation respectively.
      void close()
      Signal that this transformation instance will no longer will be used.
      org.apache.kafka.common.config.ConfigDef config()
      Configuration specification for this transformation.

      • Methods inherited from interface org.apache.kafka.common.Configurable

        configure

    • Method Detail

      • apply

        R apply​(R record)
        Apply transformation to the record and return another record object (which may be record itself) or null, corresponding to a map or filter operation respectively. The implementation must be thread-safe.

      • config

        org.apache.kafka.common.config.ConfigDef config()
        Configuration specification for this transformation.

      • close

        void close()
        Signal that this transformation instance will no longer will be used.
        Specified by:
        close in interface AutoCloseable
        Specified by:
        close in interface Closeable