com.bigdata.rdf.sparql.ast.eval

Class AbstractServiceFactory

java.lang.Object

com.bigdata.rdf.sparql.ast.eval.AbstractServiceFactoryBase

com.bigdata.rdf.sparql.ast.eval.AbstractServiceFactory

All Implemented Interfaces:

ServiceFactory

Direct Known Subclasses:

SampleServiceFactory, SliceServiceFactory, ValuesServiceFactory

public abstract class AbstractServiceFactory
extends AbstractServiceFactoryBase

An abstract ServiceFactory that deals with service parameters (magic predicates that configure the service) in a standardized manner using the ServiceParams helper class.

Constructor Summary

Constructors

Constructor and Description
AbstractServiceFactory()

Method Summary

Methods

Modifier and Type	Method and Description
BigdataServiceCall	create(ServiceCallCreateParams params) Create a BigdataServiceCall.
abstract BigdataServiceCall	create(ServiceCallCreateParams params, ServiceParams serviceParams) Implemented by subclasses - verify the group and create the service call.

Methods inherited from class com.bigdata.rdf.sparql.ast.eval.AbstractServiceFactoryBase

getDesiredBound, getRequiredBound

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.bigdata.rdf.sparql.ast.service.ServiceFactory

getServiceOptions

Constructor Detail

AbstractServiceFactory

public AbstractServiceFactory()

Method Detail

create

public final BigdataServiceCall create(ServiceCallCreateParams params)

Create a BigdataServiceCall. Does the work of collecting the service parameter triples and then delegates to create(ServiceCallCreateParams, ServiceParams).

Parameters:

params - The pararameters, which are encapsulated by this interface.

Returns:

The object which can be used to evaluate the SERVICE clause.

create

public abstract BigdataServiceCall create(ServiceCallCreateParams params,
                        ServiceParams serviceParams)

Implemented by subclasses - verify the group and create the service call.