Modeling Guide

HDFS Metadata Extractor

The HDFS Metadata Extractor operator is based on system.externalOperator and uses datahub-flowagent for execution.

Configuration Parameters

Parameter

Type

Description

Connection Id string Connection Id in Data Hub
Publication Id string Publication Id in Data Hub

Input

Input

Type

Description

in

string

A string in JSON format which contains a list of artifacts to be extracted.

Output

Output

Type

Description

out

string

A string in JSON format which contains extraction results.

outError

string

Operator error. If the port is mapped then the graph will keep running. If it is not mapped, the graph will terminate with the operator error.