io.cdap.wrangler.datamodel

Class DataModelGlossary

java.lang.Object

io.cdap.wrangler.datamodel.DataModelGlossary

public class DataModelGlossary
extends Object

Singleton class for accessing an AvroSchemaGlossary

Constructor Summary

Constructors

Constructor and Description
DataModelGlossary()

Method Summary

Modifier and Type	Method and Description
static AvroSchemaGlossary	getGlossary() Accessor for the data model glossary.
static boolean	initialize(String dataModelUrl) Initializes the data model glossary with the data models located at the url.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DataModelGlossary

public DataModelGlossary()

Method Detail

initialize

public static boolean initialize(String dataModelUrl)

Initializes the data model glossary with the data models located at the url. All available data models should be listed within a manifest.json file found at the root of the url. The manifest.json should have the schema of Manifest. If the loader is unable to download the manifest or referenced data models, the initialization will fail. Below is an example manifest file. e.g. { "standards": { "OMOP_6_0_0": { "format": "avsc" } } }

Parameters:

dataModelUrl - the url to download the data models from.

Returns:

true if successfully downloaded and store data models into glossary, otherwise false for all other errors.

getGlossary

public static AvroSchemaGlossary getGlossary()

Accessor for the data model glossary.

Returns:

the AvroSchemaGlossary instance.