Package org.eclipse.rdf4j.query.parser.sparql.aggregate

Class CustomAggregateNAryFunctionRegistry

java.lang.Object

org.eclipse.rdf4j.common.lang.service.ServiceRegistry<String,AggregateNAryFunctionFactory>

org.eclipse.rdf4j.query.parser.sparql.aggregate.CustomAggregateNAryFunctionRegistry

@Experimental
public class CustomAggregateNAryFunctionRegistry
extends ServiceRegistry<String,AggregateNAryFunctionFactory>

ServiceRegistry implementation that stores available custom aggregate n-ary functions that can be used during query evaluation.

Author:

Nik Kozlov

Field Summary

Fields inherited from class org.eclipse.rdf4j.common.lang.service.ServiceRegistry

logger, services

Constructor Summary

Constructors

Constructor	Description
CustomAggregateNAryFunctionRegistry()

Method Summary

Modifier and Type	Method	Description
static CustomAggregateNAryFunctionRegistry	getInstance()
protected String	getKey(AggregateNAryFunctionFactory service)	Gets the key for the specified service.

Methods inherited from class org.eclipse.rdf4j.common.lang.service.ServiceRegistry

add, get, getAll, getKeys, has, remove

Methods inherited from class java.lang.Object

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

Constructor Details

CustomAggregateNAryFunctionRegistry

public CustomAggregateNAryFunctionRegistry()

Method Details

getInstance

public static CustomAggregateNAryFunctionRegistry getInstance()

getKey

protected String getKey(AggregateNAryFunctionFactory service)

Description copied from class: ServiceRegistry

Gets the key for the specified service.

Specified by:

getKey in class ServiceRegistry<String,AggregateNAryFunctionFactory>

Parameters:

service - The service to get the key for.

Returns:

The key for the specified service.