Class BooleanQueryResultWriterRegistry

java.lang.Object

org.eclipse.rdf4j.common.lang.service.ServiceRegistry<QueryResultFormat, BooleanQueryResultWriterFactory>

org.eclipse.rdf4j.common.lang.service.FileFormatServiceRegistry<QueryResultFormat, BooleanQueryResultWriterFactory>

org.eclipse.rdf4j.query.resultio.BooleanQueryResultWriterRegistry

public class BooleanQueryResultWriterRegistry
extends FileFormatServiceRegistry<QueryResultFormat, BooleanQueryResultWriterFactory>

A registry that keeps track of the available BooleanQueryResultWriterFactorys.

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<QueryResultFormat, BooleanQueryResultWriterFactory>	services

Constructor Summary

Constructors

Constructor	Description
BooleanQueryResultWriterRegistry()

Method Summary

Modifier and Type	Method	Description
static BooleanQueryResultWriterRegistry	getInstance()	Gets the default BooleanQueryResultWriterRegistry.
protected QueryResultFormat	getKey(BooleanQueryResultWriterFactory factory)	Gets the key for the specified service.

Methods inherited from class FileFormatServiceRegistry

getFileFormatForFileName, getFileFormatForMIMEType

Modifier and Type	Method	Description
Optional<QueryResultFormat>	getFileFormatForFileName(String fileName)	Tries to match the extension of a file name against the list of registred file formats.
Optional<QueryResultFormat>	getFileFormatForMIMEType(String mimeType)	Tries to match a MIME type against the list of registered file formats.

Methods inherited from class ServiceRegistry

add, get, getAll, getKeys, has, remove

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

BooleanQueryResultWriterRegistry

public BooleanQueryResultWriterRegistry()

Method Details

getInstance

public static BooleanQueryResultWriterRegistry getInstance()

Gets the default BooleanQueryResultWriterRegistry.

Returns:

The default registry.

getKey

protected QueryResultFormat getKey(BooleanQueryResultWriterFactory factory)

Description copied from class: ServiceRegistry

Gets the key for the specified service.

Specified by:

getKey in class ServiceRegistry<QueryResultFormat, BooleanQueryResultWriterFactory>

Parameters:

factory - The service to get the key for.

Returns:

The key for the specified service.