Class QueryParserRegistry

java.lang.Object

org.eclipse.rdf4j.common.lang.service.ServiceRegistry<QueryLanguage, QueryParserFactory>

org.eclipse.rdf4j.query.parser.QueryParserRegistry

public class QueryParserRegistry
extends ServiceRegistry<QueryLanguage, QueryParserFactory>

A registry that keeps track of the available QueryParserFactorys.

Author:

Arjohn Kampman

Field Summary

Fields inherited from class ServiceRegistry

logger, services

Modifier and Type	Field	Description
protected final org.slf4j.Logger	logger
protected Map<QueryLanguage, QueryParserFactory>	services

Constructor Summary

Constructors

Constructor	Description
QueryParserRegistry()

Method Summary

Modifier and Type	Method	Description
static QueryParserRegistry	getInstance()	Gets the default QueryParserRegistry.
protected QueryLanguage	getKey(QueryParserFactory factory)	Gets the key for the specified service.

Methods inherited from class ServiceRegistry

add, get, getAll, getKeys, has, remove

Modifier and Type	Method	Description
Optional<QueryParserFactory>	add(QueryParserFactory service)	Adds a service to the registry.
Optional<QueryParserFactory>	get(QueryLanguage key)	Gets the service for the specified key, if any.
Collection<QueryParserFactory>	getAll()	Gets all registered services.
Set<QueryLanguage>	getKeys()	Gets the set of registered keys.
boolean	has(QueryLanguage key)	Checks whether a service for the specified key is available.
void	remove(QueryParserFactory service)	Removes a service from the registry.

Methods inherited from class Object

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

Constructor Details

QueryParserRegistry

public QueryParserRegistry()

Method Details

getInstance

public static QueryParserRegistry getInstance()

Gets the default QueryParserRegistry.

Returns:

The default registry.

getKey

protected QueryLanguage getKey(QueryParserFactory factory)

Description copied from class: ServiceRegistry

Gets the key for the specified service.

Specified by:

getKey in class ServiceRegistry<QueryLanguage, QueryParserFactory>

Parameters:

factory - The service to get the key for.

Returns:

The key for the specified service.