Package com.linkedin.venice.controller.supersetschema

Class DefaultSupersetSchemaGenerator

java.lang.Object

com.linkedin.venice.controller.supersetschema.DefaultSupersetSchemaGenerator

All Implemented Interfaces:

SupersetSchemaGenerator

public class DefaultSupersetSchemaGenerator
extends Object
implements SupersetSchemaGenerator

Constructor Summary

Constructors

Constructor	Description
DefaultSupersetSchemaGenerator()

Method Summary

Modifier and Type	Method	Description
boolean	compareSchema(org.apache.avro.Schema s1, org.apache.avro.Schema s2)	Compare whether two schemas are equal or not with the consideration of superset schema.
org.apache.avro.Schema	generateSupersetSchema(org.apache.avro.Schema existingSchema, org.apache.avro.Schema newSchema)	Generate the superset schema based on two schemas.
SchemaEntry	generateSupersetSchemaFromSchemas(Collection<SchemaEntry> schemas)	Function to generate a superset based on all the input schemas.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultSupersetSchemaGenerator

public DefaultSupersetSchemaGenerator()

Method Details

generateSupersetSchemaFromSchemas

public SchemaEntry generateSupersetSchemaFromSchemas(Collection<SchemaEntry> schemas)

Description copied from interface: SupersetSchemaGenerator

Function to generate a superset based on all the input schemas.

Specified by:

generateSupersetSchemaFromSchemas in interface SupersetSchemaGenerator

Returns:

SchemaEntry to contain the generated superset schema and the corresponding schema id.

compareSchema

public boolean compareSchema(org.apache.avro.Schema s1,
 org.apache.avro.Schema s2)

Description copied from interface: SupersetSchemaGenerator

Compare whether two schemas are equal or not with the consideration of superset schema.

Specified by:

compareSchema in interface SupersetSchemaGenerator

generateSupersetSchema

public org.apache.avro.Schema generateSupersetSchema(org.apache.avro.Schema existingSchema,
 org.apache.avro.Schema newSchema)

Description copied from interface: SupersetSchemaGenerator

Generate the superset schema based on two schemas.

Specified by:

generateSupersetSchema in interface SupersetSchemaGenerator

Parameters:

existingSchema - : existing value schema or superset schema

newSchema - : the new value schema.

Returns: