io.cdap.wrangler.utils

Class AvroSchemaGlossary

java.lang.Object

io.cdap.wrangler.utils.AvroSchemaGlossary

public class AvroSchemaGlossary
extends Object

The AvroSchemaGlossary class is used for management of AVRO data model schema definitions.

Constructor Summary

Constructors

Constructor and Description
AvroSchemaGlossary(AvroSchemaLoader avroSchemaLoader)

Method Summary

Modifier and Type	Method and Description
boolean	configure() Configures the AvroSchemaGlossary with the schemas accessible through the AvroSchemaLoader.
org.apache.avro.Schema	get(String name, long revision) Retrieves the Schema from the glossary.
Collection<org.apache.avro.Schema>	getAll() Retrieves all of the Schema contained within the glossary.
void	setAvroSchemaLoader(AvroSchemaLoader avroSchemaLoader) Setter for the AvroSchemaLoader to use when populating the glossary.

Methods inherited from class java.lang.Object

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

Constructor Detail

AvroSchemaGlossary

public AvroSchemaGlossary(AvroSchemaLoader avroSchemaLoader)

Method Detail

setAvroSchemaLoader

public void setAvroSchemaLoader(AvroSchemaLoader avroSchemaLoader)

Setter for the AvroSchemaLoader to use when populating the glossary.

Parameters:

avroSchemaLoader - the loader used to populate the glossary.

configure

public boolean configure()

Configures the AvroSchemaGlossary with the schemas accessible through the AvroSchemaLoader.

Returns:

true if successfully configure, otherwise false.

get

public org.apache.avro.Schema get(String name,
                                  long revision)

Retrieves the Schema from the glossary.

Parameters:

name - the name of the schema to retrieve.

revision - the revision of the schema to retrieve.

Returns:

Schema if found, otherwise null.

getAll

public Collection<org.apache.avro.Schema> getAll()

Retrieves all of the Schema contained within the glossary.

Returns:

a collection of all Schema