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

Modifier and Type	Method and 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