/* (non-Javadoc)
* @see org.swows.producer.GraphProducer#createGraph(org.apache.jena.sparql.core.DatasetGraph)
*/
@Override
public DynamicGraph createGraph(final DynamicDataset inputDataset) {
Query query = queryProducer.createQuery(inputDataset);
if (query == null) throw new RuntimeException("Query not found");
// DatasetGraph queryDatasetGraph =
// new DatasetGraphCollection() {
// private Map<Node, Graph> loadedNamedGraphs = new HashMap<Node, Graph>();
// private Graph loadedDefaultGraph = null;
// @Override
// public Graph getGraph(Node graphNode) {
// if (loadedNamedGraphs.containsKey(graphNode))
// return loadedNamedGraphs.get(graphNode);
// if (prodMap.containsKey(graphNode)) {
// Graph newGraph = prodMap.get(graphNode).createGraph(inputDataset);
// loadedNamedGraphs.put(graphNode, newGraph);
// return newGraph;
// }
// throw new RuntimeException("Named Graph " + graphNode.getURI() + " not found");
// }
// @Override
// public Graph getDefaultGraph() {
// if (loadedDefaultGraph != null)
// return loadedDefaultGraph;
// loadedDefaultGraph = Graph.emptyGraph;
// if (defaultProd != null) {
// loadedDefaultGraph = defaultProd.createGraph(inputDataset);
// }
// return loadedDefaultGraph;
// }
// @Override
// public Iterator<Node> listGraphNodes() {
// return prodMap.keySet().iterator();
// }
// };
// Dataset queryDataset = DatasetFactory.create(queryDatasetGraph);
/*
QueryExecution queryExecution =
ARQFactory.get().createQueryExecution(query, queryDataset, null);
Graph resultGraph = queryExecution.execConstruct().getGraph();
*/
DynamicDataset queryDatasetGraph = inputProducer.createDataset(inputDataset);
return new SparqlConstructGraph(query, queryDatasetGraph);
}
/* (non-Javadoc)
* @see org.swows.producer.Producer#dependsFrom(org.swows.producer.Producer)
*/
public boolean dependsFrom(RDFProducer producer) {
return (inputProducer != null && inputProducer.dependsFrom(producer));
// || (queryProducer != null && configProducer.dependsFrom(producer));
}
