org.wikidata.query.rdf.blazegraph.mwapi

Class MWApiServiceFactory

java.lang.Object

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

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

org.wikidata.query.rdf.blazegraph.mwapi.MWApiServiceFactory

All Implemented Interfaces:

com.bigdata.rdf.sparql.ast.service.ServiceFactory

public class MWApiServiceFactory
extends com.bigdata.rdf.sparql.ast.eval.AbstractServiceFactory

Service factory for calling out to Mediawiki API Services. Service call looks like: Fetching catrgories for "Albert Einstein" page: SERVICE wikibase:mwapi { bd:serviceParam wikibase:api "Categories" . bd:serviceParam wikibase:endpoint "en.wikipedia.org" . # Input params bd:serviceParam mwapi:titles "Albert Einstein" . # Output params ?title wikibase:output mwapi:title . ?item wikibase:outputItem mwapi:item . ?ns wikibase:output "@ns" . }

Field Summary

Fields

Modifier and Type	Field and Description
static org.openrdf.model.URI	API_KEY API type parameter name.
static String	CONFIG_DEFAULT Default service config filename.
static String	CONFIG_FILE Filename of the config.
static String	CONFIG_NAME Config file parameter.
static org.openrdf.model.URI	ENDPOINT_KEY Endpoint hostname parameter name.
static String	MWAPI_NAMESPACE Namespace for MWAPI parameters.
static org.openrdf.model.URI	SERVICE_KEY The URI service key.
static com.bigdata.rdf.sparql.ast.service.BigdataNativeServiceOptions	SERVICE_OPTIONS Options configuring this service as a native Blazegraph service.

Constructor Summary

Constructors

Constructor and Description
MWApiServiceFactory()

Method Summary

Modifier and Type	Method and Description
com.bigdata.rdf.sparql.ast.service.BigdataServiceCall	create(com.bigdata.rdf.sparql.ast.service.ServiceCallCreateParams params, com.bigdata.rdf.sparql.ast.eval.ServiceParams serviceParams)
Set<com.bigdata.bop.IVariable<?>>	getRequiredBound(com.bigdata.rdf.sparql.ast.service.ServiceNode serviceNode)
com.bigdata.rdf.sparql.ast.service.IServiceOptions	getServiceOptions()
static org.openrdf.model.URI	paramNameToURI(String name) Create predicate parameter URI from name.
static void	register() Register the service so it is recognized by Blazegraph.
com.bigdata.rdf.sparql.ast.eval.ServiceParams	serviceParamsFromNode(com.bigdata.rdf.sparql.ast.service.ServiceNode serviceNode) Get service params from Service Node.

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

create

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

getDesiredBound

Methods inherited from class java.lang.Object

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

Field Detail

SERVICE_OPTIONS

public static final com.bigdata.rdf.sparql.ast.service.BigdataNativeServiceOptions SERVICE_OPTIONS

Options configuring this service as a native Blazegraph service.

SERVICE_KEY

public static final org.openrdf.model.URI SERVICE_KEY

The URI service key.

API_KEY

public static final org.openrdf.model.URI API_KEY

API type parameter name.

ENDPOINT_KEY

public static final org.openrdf.model.URI ENDPOINT_KEY

Endpoint hostname parameter name.

MWAPI_NAMESPACE

public static final String MWAPI_NAMESPACE

Namespace for MWAPI parameters.

See Also:

Constant Field Values

CONFIG_DEFAULT

public static final String CONFIG_DEFAULT

Default service config filename.

See Also:

Constant Field Values

CONFIG_NAME

public static final String CONFIG_NAME

Config file parameter.

CONFIG_FILE

public static final String CONFIG_FILE

Filename of the config.

Constructor Detail

MWApiServiceFactory

public MWApiServiceFactory()
                    throws IOException

Throws:

IOException

Method Detail

getServiceOptions

public com.bigdata.rdf.sparql.ast.service.IServiceOptions getServiceOptions()

register

public static void register()

Register the service so it is recognized by Blazegraph.

create

public com.bigdata.rdf.sparql.ast.service.BigdataServiceCall create(com.bigdata.rdf.sparql.ast.service.ServiceCallCreateParams params,
                                                                    com.bigdata.rdf.sparql.ast.eval.ServiceParams serviceParams)

Specified by:

create in class com.bigdata.rdf.sparql.ast.eval.AbstractServiceFactory

getRequiredBound

public Set<com.bigdata.bop.IVariable<?>> getRequiredBound(com.bigdata.rdf.sparql.ast.service.ServiceNode serviceNode)

Specified by:

getRequiredBound in interface com.bigdata.rdf.sparql.ast.service.ServiceFactory

Overrides:

getRequiredBound in class com.bigdata.rdf.sparql.ast.eval.AbstractServiceFactoryBase

serviceParamsFromNode

public com.bigdata.rdf.sparql.ast.eval.ServiceParams serviceParamsFromNode(com.bigdata.rdf.sparql.ast.service.ServiceNode serviceNode)

Get service params from Service Node. FIXME: copypaste from ServiceParams.java, should be integrated there

Parameters:

serviceNode -

Returns:

paramNameToURI

public static org.openrdf.model.URI paramNameToURI(String name)

Create predicate parameter URI from name.

Parameters:

name -

Returns: