io.confluent.kafka.schemaregistry.id

Interface IdGenerator

All Known Implementing Classes:

IncrementalIdGenerator

public interface IdGenerator

Internal interface used for generating id while registering schema.

Method Summary

Modifier and Type	Method and Description
void	configure(SchemaRegistryConfig config) Configure the underlying generator.
int	getMaxId(SchemaValue schema) Returns the current max id from the generator
int	id(SchemaValue schema) Provides the id for the schema.
void	init() Initialize the underlying generator.
void	schemaRegistered(SchemaKey schemaKey, SchemaValue schemaValue) Callback method that is invoked when a schema is registered.

Method Detail

id

int id(SchemaValue schema)
throws IdGenerationException

Provides the id for the schema.

Parameters:

schema - the schema being registered; never null

Returns:

the identifier for the schema; never null

Throws:

IdGenerationException - exception when id can't be generated

configure

void configure(SchemaRegistryConfig config)

Configure the underlying generator.

Parameters:

config - Schema Registry Configs

init

void init()
   throws IdGenerationException

Initialize the underlying generator.

Throws:

IdGenerationException - exception when IdGenerator can't be initialized

getMaxId

int getMaxId(SchemaValue schema)

Returns the current max id from the generator

Parameters:

schema - current schema in the request to Schema Registry

Returns:

the max id; never null

schemaRegistered

void schemaRegistered(SchemaKey schemaKey,
                      SchemaValue schemaValue)

Callback method that is invoked when a schema is registered. IdGenerator implementation can optionally use this to update the next possible id.

Parameters:

schemaKey - the registered SchemaKey; never null

schemaValue - the registered SchemaValue; never null