@Override
public boolean contains(Triple t) {
return base.contains(t);
}
/**
* Instantiates a new sparql construct function.
*
* @param conf the graph with dataflow definition
* @param confRoot the specific node in the graph representing the producer configuration
* @param map the map to access the other defined producers
* @see RDFProducer
*/
public SparqlConstructFunction(Graph conf, Node confRoot, final ProducerMap map) {
URI baseURI = URI.create(confRoot.getURI());
Node inputNode = GraphUtils.getSingleValueOptProperty(conf, confRoot, DF.input.asNode());
inputProducer =
(inputNode != null) ? map.getProducer(inputNode) : EmptyGraphProducer.getInstance();
Node queryAsInputNode = NodeFactory.createURI(baseURI.resolve("#query").toString());
Node queryNode = GraphUtils.getSingleValueOptProperty(conf, confRoot, DF.configTxt.asNode());
String queryTxt = (queryNode != null) ? queryNode.getLiteralLexicalForm() : null;
Node configNode = GraphUtils.getSingleValueOptProperty(conf, confRoot, DF.config.asNode());
RDFProducer configProducer = (configNode != null) ? map.getProducer(configNode) : null;
Node configRootNode =
GraphUtils.getSingleValueOptProperty(conf, confRoot, DF.configRoot.asNode());
if (configRootNode == null) configRootNode = configNode;
if (configRootNode == null && inputNode != null) {
Iterator<Node> namedInputNodes =
GraphUtils.getPropertyValues(conf, inputNode, DF.namedInput.asNode());
while (namedInputNodes.hasNext()) {
Node namedInputNode = namedInputNodes.next();
if (conf.contains(namedInputNode, DF.id.asNode(), queryAsInputNode)) {
configRootNode =
GraphUtils.getSingleValueProperty(conf, namedInputNode, DF.input.asNode());
break;
}
}
}
// String configRootURI = (configRootNode != null && configRootNode.isURI()) ?
// configRootNode.getURI() : null;
queryProducer =
new CoalesceQueryProducer(
new GraphQueryProducer(
new CoalesceGraphProducer(
configProducer, new SelectGraphProducer(inputProducer, queryAsInputNode)),
configRootNode /*NodeFactory.createURI(baseURI.resolve("").toString())*/),
new StringQueryProducer(queryTxt, baseURI.toString()));
// final Model confModel = ModelFactory.createModelForGraph(conf);
// Resource constructResource =
// confModel
// .getRDFNode(confRoot)
// .asResource()
// .getPropertyResourceValue(SPINX.config);
// Iterator<Producer> fromGraphProds =
// confModel
// .getRDFNode(confRoot)
// .asResource()
// .listProperties(SPINX.from)
// .mapWith(new Map1<Statement, Producer>() {
// @Override
// public Producer map1(Statement stmt) {
// return map.getProducer(stmt.getObject().asNode());
// }
// });
// defaultProd = null;
// if (!fromGraphProds.hasNext()) {
// defaultProd = EmptyGraphProducer.getInstance();
// } else {
// defaultProd = fromGraphProds.next();
// if (fromGraphProds.hasNext()) {
// defaultProd =
// new UnionFunction(
// new ConcatenatedIterator<Producer>(
// new SingletonIterator<Producer>(defaultProd),
// fromGraphProds));
// }
// }
// Iterator<Node> fromNamedGraphNames =
// confModel
// .getRDFNode(confRoot)
// .asResource()
// .listProperties(SPINX.fromNamed)
// .mapWith(new Map1<Statement, Node>() {
// @Override
// public Node map1(Statement stmt) {
// return stmt.getObject().asNode();
// }
// });
// while (fromNamedGraphNames.hasNext()) {
// Node graphNames = fromNamedGraphNames.next();
// prodMap.put(graphNames, map.getProducer(graphNames));
// }
// query = QueryFactory.toQuery(conf, constructResource.asNode());
// if (query == null)
// throw new RuntimeException("Parsing Error");
/*
// debug
Graph revEnginedGraph = SpinxFactory.fromQuery(query);
System.out.println();
System.out.println("**********************************");
System.out.println("*** Reverse Engine query graph ***");
System.out.println("**********************************");
ModelFactory.createModelForGraph(revEnginedGraph).write(System.out,"N3");
System.out.println("**********************************");
System.out.println();
*/
/*
SPINFactory.asExpression(constructResource);
query = ARQFactory.get().createQuery(SPINFactory.asQuery(constructResource));
*/
/*
Iterator<String> graphUris =
new ConcatenatedIterator<String>(
query.getGraphURIs().iterator(),
query.getNamedGraphURIs().iterator());
while (graphUris.hasNext()) {
Node node = confModel.getResource(graphUris.next()).asNode();
prodMap.put(node, (GraphProducer) map.getProducer(node));
}
*/
}
@Override
public boolean contains(Node s, Node p, Node o) {
return base.contains(s, p, o);
}