use of com.hp.hpl.jena.query.Query in project goci by EBISPOT.
the class SparqlTemplate method query.
public <T> T query(String sparql, ResultSetMapper<T> rsm, Object... args) {
sparql = getPrefixString().concat(sparql);
Graph g = getJenaQueryExecutionService().getDefaultGraph();
Map<String, Object> bindingMap = new HashMap<String, Object>();
int i = 0;
for (Object o : args) {
String argName = "?_arg" + i++;
sparql = sparql.replaceFirst("\\?\\?", argName);
bindingMap.put(argName, o);
}
Query q1 = QueryFactory.create(sparql, Syntax.syntaxARQ);
QuerySolutionMap initialBinding = new QuerySolutionMap();
for (String argName : bindingMap.keySet()) {
Object argValue = bindingMap.get(argName);
RDFNode arg;
if (argValue instanceof URI) {
arg = new ResourceImpl(argValue.toString());
} else {
arg = getLiteralNode(argValue);
}
initialBinding.add(argName, arg);
}
ParameterizedSparqlString queryString = new ParameterizedSparqlString(q1.toString(), initialBinding);
QueryExecution execute = null;
try {
execute = getJenaQueryExecutionService().getQueryExecution(g, queryString.asQuery(), false);
ResultSet results = execute.execSelect();
return rsm.mapResultSet(results);
} catch (LodeException e) {
throw new SparqlQueryException("Failed to execute query '" + sparql + "'", e);
} finally {
if (execute != null) {
execute.close();
if (g != null) {
g.close();
}
}
}
}
use of com.hp.hpl.jena.query.Query in project stanbol by apache.
the class JenaAdapter method main.
public static void main(String[] args) {
RuleAdapter ruleAdapter = new JenaAdapter();
try {
KB kb = RuleParserImpl.parse("http://sssw.org/2012/rules/", new FileInputStream("/Users/mac/Documents/CNR/SSSW2012/rules/exercise1"));
System.out.println("Rules: " + kb.getRuleList().size());
Recipe recipe = new RecipeImpl(new IRI("http://sssw.org/2012/rules/"), "Recipe", kb.getRuleList());
List<com.hp.hpl.jena.reasoner.rulesys.Rule> jenaRules = (List<com.hp.hpl.jena.reasoner.rulesys.Rule>) ruleAdapter.adaptTo(recipe, com.hp.hpl.jena.reasoner.rulesys.Rule.class);
String rules = "[ Exercise1: (http://dbpedia.org/resource/Madrid http://dbpedia.org/ontology/locationOf ?location) (?location rdf:type http://dbpedia.org/ontology/Museum) (?location http://dbpedia.org/ontology/numberOfVisitors ?visitors) greaterThan(?visitors '2000000'^^http://www.w3.org/2001/XMLSchema#integer) -> (?location rdf:type http://www.mytravels.com/Itinerary/MadridItinerary) ]";
//List<com.hp.hpl.jena.reasoner.rulesys.Rule> jenaRules = com.hp.hpl.jena.reasoner.rulesys.Rule.parseRules(rules);
for (com.hp.hpl.jena.reasoner.rulesys.Rule jenaRule : jenaRules) {
System.out.println(jenaRule.toString());
}
Model m = ModelFactory.createDefaultModel();
Resource configuration = m.createResource();
configuration.addProperty(ReasonerVocabulary.PROPruleMode, "hybrid");
//Model model = FileManager.get().loadModel("/Users/mac/Documents/workspaceMyStanbol/sssw2012/events.rdf");
Model model = FileManager.get().loadModel("/Users/mac/Documents/CNR/SSSW2012/datasets_new/Exercise1.rdf");
//GenericRuleReasoner reasoner = new GenericRuleReasoner(jenaRules);
//GenericRuleReasoner reasoner = new GenericRuleReasoner(com.hp.hpl.jena.reasoner.rulesys.Rule.parseRules(rules));
GenericRuleReasoner reasoner = new GenericRuleReasoner(jenaRules);
// not needed in RDFS case
reasoner.setOWLTranslation(true);
reasoner.setTransitiveClosureCaching(true);
InfModel infModel = ModelFactory.createInfModel(reasoner, model);
infModel.prepare();
infModel.getDeductionsModel().write(System.out);
//String sparql = "select * where {?s a <http://www.mytravels.com/Itinerary/MovieCityMuseums> }";
//String sparql = "select * where {?s a <http://www.mytravels.com/Itinerary/CityEventItinerary> }";
String sparql = "select * where {?s a <http://www.mytravels.com/Itinerary/MadridItinerary> }";
//String sparql = "select * where {?s a <http://linkedevents.org/ontology/cazzo> }";
//String sparql = "select * where {?s a <http://www.mytravels.com/Itinerary/MovieCityItinerary> }";
Query query = QueryFactory.create(sparql, Syntax.syntaxARQ);
QueryExecution queryExecution = QueryExecutionFactory.create(query, infModel);
com.hp.hpl.jena.query.ResultSet resultSet = queryExecution.execSelect();
ResultSetFormatter.out(System.out, resultSet);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (RuleAtomCallExeption e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (UnavailableRuleObjectException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (UnsupportedTypeForExportException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
use of com.hp.hpl.jena.query.Query in project stanbol by apache.
the class RdfIndexingSource method debug.
public void debug() {
String entityVar = "s";
String fieldVar = "p";
String valueVar = "o";
StringBuilder qb = new StringBuilder();
qb.append(String.format("SELECT ?%s ?%s ?%s \n", entityVar, fieldVar, //for the select
valueVar));
qb.append("{ \n");
qb.append(String.format(" ?%s ?%s ?%s . \n", entityVar, fieldVar, //for the where
valueVar));
qb.append("} \n");
log.debug("EntityDataIterator Query: \n" + qb.toString());
Query q = QueryFactory.create(qb.toString(), Syntax.syntaxARQ);
ResultSet rs = QueryExecutionFactory.create(q, indexingDataset.toDataset()).execSelect();
Var s = Var.alloc(entityVar);
Var p = Var.alloc(fieldVar);
Var o = Var.alloc(valueVar);
while (rs.hasNext()) {
Binding b = rs.nextBinding();
log.debug("{} {} {}", new Object[] { b.get(s), b.get(p), b.get(o) });
}
}
use of com.hp.hpl.jena.query.Query in project stanbol by apache.
the class RdfIndexingSource method entityDataIterator.
@Override
public EntityDataIterator entityDataIterator() {
String entityVar = "s";
String fieldVar = "p";
String valueVar = "o";
StringBuilder qb = new StringBuilder();
qb.append(String.format("SELECT ?%s ?%s ?%s \n", entityVar, fieldVar, //for the select
valueVar));
qb.append("{ \n");
qb.append(String.format(" ?%s ?%s ?%s . \n", entityVar, fieldVar, //for the where
valueVar));
qb.append("} \n");
log.debug("EntityDataIterator Query: \n" + qb.toString());
Query q = QueryFactory.create(qb.toString(), Syntax.syntaxARQ);
return new RdfEntityIterator(QueryExecutionFactory.create(q, indexingDataset.toDataset()).execSelect(), entityVar, fieldVar, valueVar);
}
use of com.hp.hpl.jena.query.Query in project goci by EBISPOT.
the class SparqlTemplate method ask.
public boolean ask(String sparql) {
sparql = getPrefixString().concat(sparql);
Graph g = getJenaQueryExecutionService().getDefaultGraph();
Query q1 = QueryFactory.create(sparql, Syntax.syntaxARQ);
QueryExecution execute = null;
try {
execute = getJenaQueryExecutionService().getQueryExecution(g, q1, false);
return execute.execAsk();
} catch (LodeException e) {
throw new SparqlQueryException("Failed to execute ask '" + sparql + "'", e);
} finally {
if (execute != null) {
execute.close();
if (g != null) {
g.close();
}
}
}
}
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