Examples with TupleQuery org.openrdf.query.TupleQuery used on opensource projects

Example 1 with TupleQuery

use of org.openrdf.query.TupleQuery in project gocd by gocd.

the class SesameGraph method renderTupleQuery.

private void renderTupleQuery(Query query, TupleQueryResultWriter writer) throws QueryEvaluationException, TupleQueryResultHandlerException {
    TupleQueryResult tupleQueryResult = ((TupleQuery) query).evaluate();
    writer.startQueryResult(tupleQueryResult.getBindingNames());
    while (tupleQueryResult.hasNext()) {
        writer.handleSolution(tupleQueryResult.next());
    }
    writer.endQueryResult();
}

Example 2 with TupleQuery

use of org.openrdf.query.TupleQuery in project incubator-rya by apache.

the class EntityDirectExample method testAddAndTemporalSearchWithPCJ.

private static void testAddAndTemporalSearchWithPCJ(final SailRepositoryConnection conn) throws Exception {
    // create some resources and literals to make statements out of
    final String sparqlInsert = "PREFIX pref: <http://www.model/pref#> \n" + // 
    "INSERT DATA {\n" + // 
    "<urn:Bob>       a       pref:Person ;\n" + // one second
    "     pref:hasProperty1 'property1' ;\n" + // 2 seconds
    "     pref:hasProperty2 'property2' ;\n" + // 3 seconds
    "     pref:hasProperty3 'property3' .\n" + // 
    "<urn:Fred>      a       pref:Person ; \n" + // 
    "     pref:hasProperty4 'property4' ; \n" + // 
    "     pref:hasProperty5 'property5' ; \n" + "}";
    final Update update = conn.prepareUpdate(QueryLanguage.SPARQL, sparqlInsert);
    update.execute();
    String queryString = // 
    "PREFIX pref: <http://www.model/pref#> \n" + // 
    "SELECT ?x ?z \n" + "WHERE { \n" + "  ?x a ?z. \n" + // 
    "  ?x pref:hasProperty1 'property1' . \n" + // 
    "  ?x pref:hasProperty2 'property2' . \n" + // 
    "  ?x pref:hasProperty3 'property3' . \n" + // 
    "}";
    TupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryString);
    CountingResultHandler tupleHandler = new CountingResultHandler();
    tupleQuery.evaluate(tupleHandler);
    log.info("Result count : " + tupleHandler.getCount());
    Validate.isTrue(tupleHandler.getCount() == 1);
    Validate.isTrue(tupleHandler.getBsSize() == 2);
    queryString = // 
    "PREFIX pref: <http://www.model/pref#> \n" + // 
    "SELECT ?x ?w ?z \n" + "WHERE { \n" + "  ?x a ?z. \n" + // 
    "  ?x pref:hasProperty4 'property4' . \n" + // 
    "  ?x pref:hasProperty5 ?w . \n" + // 
    "}";
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryString);
    tupleHandler = new CountingResultHandler();
    tupleQuery.evaluate(tupleHandler);
    log.info("Result count : " + tupleHandler.getCount());
    Validate.isTrue(tupleHandler.getCount() == 1);
    Validate.isTrue(tupleHandler.getBsSize() == 3);
    queryString = "PREFIX pref: <http://www.model/pref#> " + "SELECT ?v ?w ?x ?y ?z " + "WHERE { " + "  ?w a ?z  . " + "  ?w pref:hasProperty1 ?v . " + "  ?w pref:hasProperty2 'property2' . " + "  ?w pref:hasProperty3 'property3' . " + "  ?x a ?z  . " + "  ?x pref:hasProperty4 'property4' . " + "  ?x pref:hasProperty5 ?y . " + "}";
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryString);
    tupleHandler = new CountingResultHandler();
    tupleQuery.evaluate(tupleHandler);
    log.info("Result count : " + tupleHandler.getCount());
    Validate.isTrue(tupleHandler.getCount() == 1);
    Validate.isTrue(tupleHandler.getBsSize() == 5);
}

Example 3 with TupleQuery

use of org.openrdf.query.TupleQuery in project incubator-rya by apache.

the class MongoRyaDirectExample method testAddAndDeleteNoContext.

public static void testAddAndDeleteNoContext(final SailRepositoryConnection conn) throws MalformedQueryException, RepositoryException, UpdateExecutionException, QueryEvaluationException, TupleQueryResultHandlerException {
    // Add data
    String query = // 
    "INSERT DATA\n" + // 
    "{ \n" + // 
    "  <http://acme.com/people/Mike> " + // 
    "       <http://acme.com/actions/likes> \"A new book\" ;\n" + "       <http://acme.com/actions/likes> \"Avocados\" .\n" + " }";
    log.info("Performing Query");
    Update update = conn.prepareUpdate(QueryLanguage.SPARQL, query);
    update.execute();
    query = "select ?p ?o {<http://acme.com/people/Mike> ?p ?o . }";
    final CountingResultHandler resultHandler = new CountingResultHandler();
    TupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    tupleQuery.evaluate(resultHandler);
    log.info("Result count : " + resultHandler.getCount());
    Validate.isTrue(resultHandler.getCount() == 2);
    resultHandler.resetCount();
    // Delete Data
    query = // 
    "DELETE DATA\n" + "{ \n" + "  <http://acme.com/people/Mike> <http://acme.com/actions/likes> \"A new book\" ;\n" + "   <http://acme.com/actions/likes> \"Avocados\" .\n" + "}";
    update = conn.prepareUpdate(QueryLanguage.SPARQL, query);
    update.execute();
    query = "select ?p ?o { {<http://acme.com/people/Mike> ?p ?o . }}";
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    tupleQuery.evaluate(resultHandler);
    log.info("Result count : " + resultHandler.getCount());
    Validate.isTrue(resultHandler.getCount() == 0);
}

Example 4 with TupleQuery

use of org.openrdf.query.TupleQuery in project incubator-rya by apache.

the class MongoRyaDirectExample method testOneOfInference.

public static void testOneOfInference(final SailRepositoryConnection conn, final Sail sail) throws MalformedQueryException, RepositoryException, UpdateExecutionException, QueryEvaluationException, TupleQueryResultHandlerException, InferenceEngineException {
    log.info("Adding Data");
    final String instances = "INSERT DATA" + "{ GRAPH <http://updated/test> {\n" + "  <urn:FlopCard1> a <urn:Card> . \n" + "    <urn:FlopCard1> <urn:HasRank> <urn:Ace> . \n" + "    <urn:FlopCard1> <urn:HasSuit> <urn:Diamonds> . \n" + "  <urn:FlopCard2> a <urn:Card> . \n" + "    <urn:FlopCard2> <urn:HasRank> <urn:Ace> . \n" + "    <urn:FlopCard2> <urn:HasSuit> <urn:Hearts> . \n" + "  <urn:FlopCard3> a <urn:Card> . \n" + "    <urn:FlopCard3> <urn:HasRank> <urn:King> . \n" + "    <urn:FlopCard3> <urn:HasSuit> <urn:Spades> . \n" + "  <urn:TurnCard> a <urn:Card> . \n" + "    <urn:TurnCard> <urn:HasRank> <urn:10> . \n" + "    <urn:TurnCard> <urn:HasSuit> <urn:Clubs> . \n" + "  <urn:RiverCard> a <urn:Card> . \n" + "    <urn:RiverCard> <urn:HasRank> <urn:Queen> . \n" + "    <urn:RiverCard> <urn:HasSuit> <urn:Hearts> . \n" + "}}";
    Update update = conn.prepareUpdate(QueryLanguage.SPARQL, instances);
    update.execute();
    final String explicitQuery = "select distinct ?card { GRAPH <http://updated/test> {\n" + "  ?card a <urn:Card> . \n" + "  VALUES ?suit { <urn:Clubs> <urn:Diamonds> <urn:Hearts> <urn:Spades> } . \n" + "  ?card <urn:HasSuit> ?suit . \n" + "}}";
    log.info("Running Explicit Query");
    CountingResultHandler resultHandler = new CountingResultHandler();
    TupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, explicitQuery);
    tupleQuery.evaluate(resultHandler);
    log.info("Result count : " + resultHandler.getCount());
    Validate.isTrue(resultHandler.getCount() == 5);
    log.info("Adding owl:oneOf Schema");
    // ONTOLOGY - :Suits oneOf (:Clubs, :Diamonds, :Hearts, :Spades)
    // ONTOLOGY - :Ranks oneOf (:Ace, :1, :2, :3, :4, :5, :6, :7, :8, :9, :10, :Jack, :Queen, :King)
    final String ontology = "INSERT DATA { GRAPH <http://updated/test> {\n" + "  <urn:Suits> owl:oneOf _:bnodeS1 . \n" + "  _:bnodeS1 rdf:first <urn:Clubs> . \n" + "  _:bnodeS1 rdf:rest _:bnodeS2 . \n" + "  _:bnodeS2 rdf:first <urn:Diamonds> . \n" + "  _:bnodeS2 rdf:rest _:bnodeS3 . \n" + "  _:bnodeS3 rdf:first <urn:Hearts> . \n" + "  _:bnodeS3 rdf:rest _:bnodeS4 . \n" + "  _:bnodeS4 rdf:first <urn:Spades> . \n" + "  _:bnodeS4 rdf:rest rdf:nil . \n" + "  <urn:Ranks> owl:oneOf _:bnodeR1 . \n" + "  _:bnodeR1 rdf:first <urn:Ace> . \n" + "  _:bnodeR1 rdf:rest _:bnodeR2 . \n" + "  _:bnodeR2 rdf:first <urn:2> . \n" + "  _:bnodeR2 rdf:rest _:bnodeR3 . \n" + "  _:bnodeR3 rdf:first <urn:3> . \n" + "  _:bnodeR3 rdf:rest _:bnodeR4 . \n" + "  _:bnodeR4 rdf:first <urn:4> . \n" + "  _:bnodeR4 rdf:rest _:bnodeR5 . \n" + "  _:bnodeR5 rdf:first <urn:5> . \n" + "  _:bnodeR5 rdf:rest _:bnodeR6 . \n" + "  _:bnodeR6 rdf:first <urn:6> . \n" + "  _:bnodeR6 rdf:rest _:bnodeR7 . \n" + "  _:bnodeR7 rdf:first <urn:7> . \n" + "  _:bnodeR7 rdf:rest _:bnodeR8 . \n" + "  _:bnodeR8 rdf:first <urn:8> . \n" + "  _:bnodeR8 rdf:rest _:bnodeR9 . \n" + "  _:bnodeR9 rdf:first <urn:9> . \n" + "  _:bnodeR9 rdf:rest _:bnodeR10 . \n" + "  _:bnodeR10 rdf:first <urn:10> . \n" + "  _:bnodeR10 rdf:rest _:bnodeR11 . \n" + "  _:bnodeR11 rdf:first <urn:Jack> . \n" + "  _:bnodeR11 rdf:rest _:bnodeR12 . \n" + "  _:bnodeR12 rdf:first <urn:Queen> . \n" + "  _:bnodeR12 rdf:rest _:bnodeR13 . \n" + "  _:bnodeR13 rdf:first <urn:King> . \n" + "  _:bnodeR13 rdf:rest rdf:nil . \n" + "  <urn:Card> owl:intersectionOf (\n" + "    [ owl:onProperty <urn:HasRank> ; owl:someValuesFrom <urn:Ranks> ]\n" + "    [ owl:onProperty <urn:HasSuit> ; owl:someValuesFrom <urn:Suits> ]\n" + "  ) . \n" + "  <urn:HasRank> owl:range <urn:Ranks> . \n" + "  <urn:HasSuit> owl:range <urn:Suits> . \n" + "}}";
    update = conn.prepareUpdate(QueryLanguage.SPARQL, ontology);
    update.execute();
    log.info("Running Inference-dependent Query without refreshing InferenceEngine");
    resultHandler.resetCount();
    final String inferQuery = "select distinct ?card { GRAPH <http://updated/test> {\n" + "  ?card a <urn:Card> . \n" + "  ?suit a <urn:Suits> . \n" + "  ?card <urn:HasSuit> ?suit . \n" + "}}";
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, inferQuery);
    tupleQuery.evaluate(resultHandler);
    log.info("Result count : " + resultHandler.getCount());
    Validate.isTrue(resultHandler.getCount() == 0);
    log.info("Refreshing InferenceEngine");
    ((RdfCloudTripleStore) sail).getInferenceEngine().refreshGraph();
    log.info("Re-running Inference-dependent Query");
    resultHandler.resetCount();
    resultHandler = new CountingResultHandler();
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, inferQuery);
    tupleQuery.evaluate(resultHandler);
    log.info("Result count : " + resultHandler.getCount());
    Validate.isTrue(resultHandler.getCount() == 5);
}

Example 5 with TupleQuery

use of org.openrdf.query.TupleQuery in project incubator-rya by apache.

the class MongoRyaDirectExample method testSomeValuesFromInference.

public static void testSomeValuesFromInference(final SailRepositoryConnection conn, final Sail sail) throws MalformedQueryException, RepositoryException, UpdateExecutionException, QueryEvaluationException, TupleQueryResultHandlerException, InferenceEngineException {
    final String lubm = "http://swat.cse.lehigh.edu/onto/univ-bench.owl#";
    log.info("Adding Data");
    String insert = "PREFIX lubm: <" + lubm + ">\n" + "INSERT DATA { GRAPH <http://updated/test> {\n" + "  <urn:Department0> a lubm:Department; lubm:subOrganizationOf <urn:University0> .\n" + "  <urn:ResearchGroup0> a lubm:ResearchGroup; lubm:subOrganizationOf <urn:Department0> .\n" + "  <urn:Alice> lubm:headOf <urn:Department0> .\n" + "  <urn:Bob> lubm:headOf <urn:ResearchGroup0> .\n" + "  <urn:Carol> lubm:worksFor <urn:Department0> .\n" + "}}";
    Update update = conn.prepareUpdate(QueryLanguage.SPARQL, insert);
    update.execute();
    final String inferQuery = "select distinct ?x { GRAPH <http://updated/test> { ?x a <" + lubm + "Chair> }}";
    final String explicitQuery = "prefix lubm: <" + lubm + ">\n" + "select distinct ?x { GRAPH <http://updated/test> {\n" + "  { ?x a lubm:Chair }\n" + "  UNION\n" + "  { ?x lubm:headOf [ a lubm:Department ] }\n" + "}}";
    log.info("Running Explicit Query");
    final CountingResultHandler resultHandler = new CountingResultHandler();
    TupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, explicitQuery);
    tupleQuery.evaluate(resultHandler);
    log.info("Result count : " + resultHandler.getCount());
    Validate.isTrue(resultHandler.getCount() == 1);
    log.info("Running Inference-dependent Query");
    resultHandler.resetCount();
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, inferQuery);
    tupleQuery.evaluate(resultHandler);
    log.info("Result count : " + resultHandler.getCount());
    Validate.isTrue(resultHandler.getCount() == 0);
    log.info("Adding owl:someValuesFrom Schema");
    insert = "PREFIX rdfs: <" + RDFS.NAMESPACE + ">\n" + "PREFIX owl: <" + OWL.NAMESPACE + ">\n" + "PREFIX lubm: <" + lubm + ">\n" + "INSERT DATA\n" + "{ GRAPH <http://updated/test> {\n" + "  lubm:Chair owl:equivalentClass [ owl:onProperty lubm:headOf ; owl:someValuesFrom lubm:Department ] ." + "}}";
    update = conn.prepareUpdate(QueryLanguage.SPARQL, insert);
    update.execute();
    log.info("Refreshing InferenceEngine");
    ((RdfCloudTripleStore) sail).getInferenceEngine().refreshGraph();
    log.info("Re-running Inference-dependent Query");
    resultHandler.resetCount();
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, inferQuery);
    tupleQuery.evaluate(resultHandler);
    log.info("Result count : " + resultHandler.getCount());
    Validate.isTrue(resultHandler.getCount() == 1);
}