eu.larkc.core.data
Interface SPARQLEndpoint

All Known Subinterfaces:

RdfStoreConnection

All Known Implementing Classes:

LocalStoreSPARQLService, RdfStoreConnectionImpl, RemoteSPARQLEndpoint

public interface SPARQLEndpoint

SPARQLEndpoint is interface to SPARQL endpoint. The interface is

Author:

vassil

Method Summary

DataSet	createDataSet(java.util.Collection<org.openrdf.model.URI> defaultGraphs, java.util.Collection<org.openrdf.model.URI> namedGraphs) Creates a SPARQL dataset from this endpoint.
RdfGraph	createRdfGraph(org.openrdf.model.URI graph) Creates a named graph from this endpoint.
boolean	executeAsk(SPARQLQuery query) Executes ASK query.
SetOfStatements	executeConstruct(SPARQLQuery query) Executes CONSTRUCT or DESCRIBE query.
VariableBinding	executeSelect(SPARQLQuery query) Executes SELECT query.

Method Detail

createDataSet

DataSet createDataSet(java.util.Collection<org.openrdf.model.URI> defaultGraphs,
                      java.util.Collection<org.openrdf.model.URI> namedGraphs)

Creates a SPARQL dataset from this endpoint.

Parameters:

defaultGraphs - is list of default graphs

namedGraphs - is a list of named graphs

Returns:

dataset

createRdfGraph

RdfGraph createRdfGraph(org.openrdf.model.URI graph)

Creates a named graph from this endpoint.

Parameters:

graph - is the URI of the named graph

Returns:

named graph

executeAsk

boolean executeAsk(SPARQLQuery query)

Executes ASK query. If the submitted query is not ASK a runtime exception will be generated.

Parameters:

query - is ask query to be executed

Returns:

true or false

executeConstruct

SetOfStatements executeConstruct(SPARQLQuery query)

Executes CONSTRUCT or DESCRIBE query. If the submitted query is not CONSTRUCT or DESCRIBE a runtime exception will be generated.

Parameters:

query - is construct or describe query to be executed

Returns:

set of rdf statements

executeSelect

VariableBinding executeSelect(SPARQLQuery query)

Executes SELECT query. If the submitted query is not SELECT a runtime exception will be generated.

Parameters:

query - is select query to be executed

Returns:

list of solutions