Java QuerySolutionMap类代码示例

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
/**
 * Runs a given Jena Query on a given instance and adds the inferred triples
 * to a given Model.
 * @param queryWrapper  the wrapper of the CONSTRUCT query to execute
 * @param queryModel  the query Model
 * @param newTriples  the Model to write the triples to
 * @param instance  the instance to run the inferences on
 * @param checkContains  true to only call add if a Triple wasn't there yet
 * @return true if changes were done (only meaningful if checkContains == true)
 */
public static boolean runQueryOnInstance(QueryWrapper queryWrapper, Model queryModel, Model newTriples, Resource instance, boolean checkContains) {
	boolean changed = false;
	QueryExecution qexec = ARQFactory.get().createQueryExecution(queryWrapper.getQuery(), queryModel);
	QuerySolutionMap bindings = new QuerySolutionMap();
	bindings.add(SPIN.THIS_VAR_NAME, instance);
	Map<String,RDFNode> initialBindings = queryWrapper.getTemplateBinding();
	if(initialBindings != null) {
		for(String varName : initialBindings.keySet()) {
			RDFNode value = initialBindings.get(varName);
			bindings.add(varName, value);
		}
	}
	qexec.setInitialBinding(bindings);
	Model cm = qexec.execConstruct();
	StmtIterator cit = cm.listStatements();
	while(cit.hasNext()) {
		Statement s = cit.nextStatement();
		if(!checkContains || !queryModel.contains(s)) {
			changed = true;
			newTriples.add(s);
		}
	}
	return changed;
}
 

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
public boolean askcontainsStatement(Statement st, Model m)
{
	String q = "ASK{?subject ?predicate ?object.";
	if (st.getSubject().isAnon())
		q += " FILTER isBlank(?subject)";
	if (st.getObject().isAnon())
		q += " FILTER isBlank(?object)";
	q += "}";

	QuerySolutionMap args = new QuerySolutionMap();
	if (!st.getSubject().isAnon())
		args.add("subject", st.getSubject());
	if (!st.getObject().isAnon())
		args.add("object", st.getObject());
	// QueryExecution qe = QueryExecutionFactory.create(q, m, args);

	Query query = QueryFactory.create(q);
	QueryExecution qe = QueryExecutionFactory.create(query, m, args);

	return qe.execAsk();
}
 

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
@Override
public void loadVocabularies() {

	QuerySolutionMap binding = new QuerySolutionMap();
	binding.add("linkset", this.dataset);
	Query query = QueryFactory.create(linksetVocabularyQuery);
	QueryExecution qexec = QueryExecutionFactory.create(query, voidInstance.getVoidModel(),
			binding);

	try {
		ResultSet results = qexec.execSelect();
		for (; results.hasNext();) {
			QuerySolution soln = results.nextSolution();
			OntResource vocabulary = soln.getResource("vocabulary").as(
					OntResource.class);
			vocabularies.add(vocabulary);
		}
	} catch (Exception e) {
		Log.debug(Linkset.class, "Failed linksetVocabularyQuery");
		Log.debug(Linkset.class, e.getStackTrace().toString());
	} finally {
		qexec.close();
	}

}
 

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
public void loadVocabularies() {

		QuerySolutionMap binding = new QuerySolutionMap();
		binding.add("dataset", dataset);
		Query query = QueryFactory.create(datasetVocabularyQuery);
		QueryExecution qexec = QueryExecutionFactory.create(query, voidInstance.getVoidModel(),
				binding);

		try {
			ResultSet results = qexec.execSelect();
			for (; results.hasNext();) {
				QuerySolution soln = results.nextSolution();
				OntResource vocabulary = soln.getResource("vocabulary").as(
						OntResource.class);
				vocabularies.add(vocabulary);
			}
		} catch (Exception e) {
			Log.debug(Dataset.class, "Failed datasetVocabularyQuery");
			Log.debug(Dataset.class, e.getStackTrace().toString());

		} finally {
			qexec.close();
		}
	}
 

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
public List<Resource> getURIs(String queryFile, String paramVariable, Resource paramValue, String resultVariable) {
	Query query = getQuery(queryFile);
	QuerySolutionMap args = new QuerySolutionMap();
	if (paramVariable != null && paramValue != null) {
		args.add(paramVariable, paramValue);
	}
	ArrayList<Resource> result = new ArrayList<Resource>();
	ResultSet rs = QueryExecutionFactory.create(query, dataset, args).execSelect();
	while (rs.hasNext()) {
		RDFNode n = rs.next().get(resultVariable);
		if (n == null || !n.isURIResource()) continue;
		result.add(n.asResource());
	}
	Collections.sort(result, new Comparator<Resource>() {
		public int compare(Resource r1, Resource r2) {
			return r1.getURI().compareTo(r2.getURI());
		}
	});
	return result;
}
 

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
@Override
protected QuerySolutionMap getQuerySolutionMap(Triple t) {
	QuerySolutionMap map = new QuerySolutionMap();
	map.add(SUBJECT, model.asRDFNode(t.getSubject()));
	map.add(PREDICATE, model.asRDFNode(t.getPredicate()));
	map.add(OBJECT, model.asRDFNode(t.getObject()));
	return map;
}
 

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
public String getLangString(String queryFile, Resource term, String resultVariable) {
	Query query = getQuery(queryFile);
	QuerySolutionMap args = new QuerySolutionMap();
	args.add("term", term);
	args.add("prefLang", ResourceFactory.createPlainLiteral("en"));
	ResultSet rs = QueryExecutionFactory.create(query, dataset, args).execSelect();
	if (!rs.hasNext()) return null;
	RDFNode n = rs.next().get(resultVariable);
	if (n == null || !n.isLiteral()) return null;
	return n.asLiteral().getLexicalForm();
}
 

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
public QuerySolution getOneSolution(String queryFile, String paramVariable, Resource paramValue) {
	Query query = getQuery(queryFile);
	QuerySolutionMap args = new QuerySolutionMap();
	if (paramVariable != null && paramValue != null) {
		args.add(paramVariable, paramValue);
	}
	QueryExecution qe = QueryExecutionFactory.create(query, dataset, args);
	ResultSet rs = qe.execSelect();
	if (!rs.hasNext()) return null;
	QuerySolution result = rs.next();
	qe.close();
	return result;
}
 

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
@Override
public QuerySolution next() {
	T t = triples.next();
	QuerySolutionMap map = getQuerySolutionMap(t);
	return map;
}
 

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
@Override
protected QuerySolutionMap getQuerySolutionMap(Boolean t) {
	QuerySolutionMap map = new QuerySolutionMap();
	map.add(VALUE, model.createTypedLiteral(t));
	return map;
}
 

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
public static String execSparQLQuery(String query) {
		System.out.println("execSPINQuery");
		Model model = getUqModel();

		// Register system functions (such as sp:gt (>))
		SPINModuleRegistry.get().init();

		Query arqQuery = ARQFactory.get().createQuery(model, query);
		ARQ2SPIN arq2SPIN = new ARQ2SPIN(model);
		Select spinQuery = (Select) arq2SPIN.createQuery(arqQuery, null);

		System.out.println("SPIN query in Turtle:");
		model.write(System.out, FileUtils.langTurtle);

		System.out.println("-----");
		String str = spinQuery.toString();
		System.out.println("SPIN query:\n" + str);

		// Now turn it back into a Jena Query
		Query parsedBack = ARQFactory.get().createQuery(spinQuery);
		System.out.println("Jena query:\n" + parsedBack);
		
		com.hp.hpl.jena.query.Query arq = ARQFactory.get().createQuery(spinQuery);
		QueryExecution qexec = ARQFactory.get().createQueryExecution(arq, model);
		QuerySolutionMap arqBindings = new QuerySolutionMap();
		arqBindings.add("predicate", RDFS.label);
		qexec.setInitialBinding(arqBindings); // Pre-assign the arguments
		ResultSet rs = qexec.execSelect();
		
//		System.out.println("#####################################################################");
//		
//		if (rs.hasNext()) {
//			QuerySolution row = rs.next();
//			System.out.println("Row: " +row.toString());
//			RDFNode user = row.get("User");
//			Literal label = row.getLiteral("label");
//			System.out.println(user.toString());
//		}
//		RDFNode object = rs.next().get("object");
//		System.out.println("Label is " + object);


		
		
		
		Collection<User> users = Sparql.exec(getUqModel(), User.class, query);
		
		String usersString = "";
		for (User user : users) {
			System.out.println("User: " +user.toString());
			usersString += user.toString() +"<br/>";
		}

		
		
		System.out.println("execSPINQuery() done.");
		return usersString;
	}
 

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
@Override
protected void _run(String[] strings) throws Exception {
    Query q1=sparqlService.getQuery("com/ontology2/telepathReports/pairedImportanceCount.sparql");
    ResultSet rs2=sparqlService.select(q1);
    int rowCount=rs2.next().getLiteral("cnt").getInt();
    int j=0;

    for(int i=0;i<rowCount;i+=BLOCKSIZE) {
        final Model m= ModelFactory.createDefaultModel();
        int limit=rowCount-BLOCKSIZE;
        limit = limit>BLOCKSIZE ? BLOCKSIZE : limit;
        final int ii=i;
        final int llimit=limit;

        Query q=sparqlService.getQuery("com/ontology2/telepathReports/pairedImportance.sparql",new QuerySolutionMap() {{
            add("o",m.asRDFNode(NodeFactoryExtra.intToNode(ii)));
            add("l",m.asRDFNode(NodeFactoryExtra.intToNode(llimit)));
        }});
        ResultSet results=sparqlService.select(q);

        while(results.hasNext()) {
            QuerySolution that=results.next();
            j++;
            String uri=that.get("s").toString();
            String eye=Float.toString(that.get("eye").asLiteral().getFloat());
            String pr=Float.toString(that.get("pr").asLiteral().getFloat());


            String shortUri=uri.substring(baseUri.length());
            System.out.print(shortUri);
            System.out.print("\t");
            System.out.print(eye);
            System.out.print("\t");
            System.out.print(pr);
            System.out.println();
        }
    }

    if (j!=rowCount) {
        throw new Exception("Expected to get "+rowCount+" results but really got "+j+" results");
    }
}
 

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
public static void main( String[] args )
{
	// load some data that uses RDFS
	Model data = FileManager.get().loadModel("file:data/input/turtle/ex6-data.ttl");
	
	Reasoner reasoner = ReasonerRegistry.getRDFSReasoner();
	reasoner.setParameter(ReasonerVocabulary.PROPsetRDFSLevel, 
               ReasonerVocabulary.RDFS_DEFAULT);
	InfModel infmodel = ModelFactory.createInfModel(reasoner, data );
	

	Resource theFirmNode = infmodel.createResource("http://www.example.org/example#TheFirm");
	
	String queryString = "SELECT ?s ?z WHERE { ?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> ?z  }" ;
	
	QuerySolutionMap initialBinding = new QuerySolutionMap();
	initialBinding.add("s", theFirmNode );
	
	Query query = QueryFactory.create(queryString) ;
	
	QueryExecution qexec = QueryExecutionFactory.create(query, infmodel, initialBinding) ;

	QueryExecUtils.executeQuery(qexec);

	
	System.out.println( "\n----------\ndone" );
	
	
}
 

import com.hp.hpl.jena.query.QuerySolutionMap; //导入依赖的package包/类
protected abstract QuerySolutionMap getQuerySolutionMap(T t);