Package io.opentelemetry.instrumentation.api.annotation.support

Interface ParameterAttributeNamesExtractor

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ParameterAttributeNamesExtractor

Extractor for the attribute names for the parameters of a traced method.

Method Summary

Modifier and Type	Method	Description
String[]	extract(Method method, Parameter[] parameters)	Returns an array of the names of the attributes for the parameters of the traced method.

Method Details

extract

@Nullable
String[] extract(Method method,
 Parameter[] parameters)

Returns an array of the names of the attributes for the parameters of the traced method. The array must be the same length as the array of the method parameters. An element may be null to indicate that the parameter should not be bound to an attribute.

Parameters:

method - the traced method

parameters - the method parameters

Returns:

an array of the attribute names