org.apache.jena.query.Query.isConstructType()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中org.apache.jena.query.Query.isConstructType方法的一些代码示例，展示了Query.isConstructType的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Query.isConstructType方法的具体详情如下：
包路径：org.apache.jena.query.Query
类名称：Query
方法名：isConstructType

Query.isConstructType介绍

暂无

代码示例

代码示例来源：origin: tarql/tarql

  1. public boolean isConstructType() {
  2.   return !queries.isEmpty() && queries.get(0).isConstructType();
  3. }

代码示例来源：origin: apache/jena

  1. public boolean isConstructQuad()            { return isConstructType() && constructTemplate.containsRealQuad() ; }
  2. // It was a mistake to extend Prologue ... but what is done is done.

代码示例来源：origin: AtomGraph/Core

  1. /**
  2.  * Convenience method for <pre>CONSTRUCT</pre> queries.
  3.  * 
  4.  * @param defaultGraphUris default graph URIs
  5.  * @param namedGraphUris named graph URIs
  6.  * @link #loadModel(query)
  7.  * @param query
  8.  * @return RDF model
  9.  */
  10. public Model construct(Query query, List<URI> defaultGraphUris, List<URI> namedGraphUris)
  11. {
  12.   if (query == null) throw new IllegalArgumentException("Query must be not null");
  13.   if (!query.isConstructType()) throw new IllegalArgumentException("Query must be CONSTRUCT");
  14.   
  15.   return loadModel(query, defaultGraphUris, namedGraphUris);
  16. }

代码示例来源：origin: tarql/tarql

  1. public void makeTest() {
  2.     for (Query q: queries) {
  3.       if (q.isConstructType()) {
  4.         q.setQuerySelectType();
  5.       }
  6.       q.setLimit(5);
  7.     }
  8.   }
  9. }

代码示例来源：origin: ch.epfl.bluebrain.nexus.org.topbraid/shacl

  1. public SPARQLRule(Resource rule) {
  2.   super(rule);
  3.   String rawString = JenaUtil.getStringProperty(rule, SH.construct);
  4.   String queryString = SPARQLSubstitutions.withPrefixes(rawString, rule);
  5.   query = ARQFactory.get().createQuery(queryString);
  6.   if(!query.isConstructType()) {
  7.     throw new IllegalArgumentException("Values of sh:construct must be CONSTRUCT queries");
  8.   }
  9. }

代码示例来源：origin: com.github.galigator.openllet/openllet-jena

  1. private static QueryType getQueryType(final Query query)
  2. {
  3.   if (query.isSelectType())
  4.     return QueryType.SELECT;
  5.   if (query.isConstructType())
  6.     return QueryType.CONSTRUCT;
  7.   if (query.isDescribeType())
  8.     return QueryType.DESCRIBE;
  9.   if (query.isAskType())
  10.     return QueryType.ASK;
  11.   return null;
  12. }

代码示例来源：origin: TopQuadrant/shacl

  1. public SPARQLRule(Resource rule) {
  2.   super(rule);
  3.   String rawString = JenaUtil.getStringProperty(rule, SH.construct);
  4.   String queryString = SPARQLSubstitutions.withPrefixes(rawString, rule);
  5.   query = ARQFactory.get().createQuery(queryString);
  6.   if(!query.isConstructType()) {
  7.     throw new IllegalArgumentException("Values of sh:construct must be CONSTRUCT queries");
  8.   }
  9. }

代码示例来源：origin: Galigator/openllet

  1. private static QueryType getQueryType(final Query query)
  2. {
  3.   if (query.isSelectType())
  4.     return QueryType.SELECT;
  5.   if (query.isConstructType())
  6.     return QueryType.CONSTRUCT;
  7.   if (query.isDescribeType())
  8.     return QueryType.DESCRIBE;
  9.   if (query.isAskType())
  10.     return QueryType.ASK;
  11.   return null;
  12. }

代码示例来源：origin: Galigator/openllet

  1. private static QueryType getQueryType(final Query query)
  2. {
  3.   if (query.isSelectType())
  4.     return QueryType.SELECT;
  5.   if (query.isConstructType())
  6.     return QueryType.CONSTRUCT;
  7.   if (query.isDescribeType())
  8.     return QueryType.DESCRIBE;
  9.   if (query.isAskType())
  10.     return QueryType.ASK;
  11.   return null;
  12. }

代码示例来源：origin: apache/jena

  1. static private String labelForQuery(Query q) {
  2.   if ( q.isSelectType() )     return "SELECT" ; 
  3.   if ( q.isConstructType() )  return "CONSTRUCT" ; 
  4.   if ( q.isDescribeType() )   return "DESCRIBE" ; 
  5.   if ( q.isAskType() )        return "ASK" ;
  6.   if ( q.isJsonType() )       return "JSON" ;
  7.   return "<<unknown>>" ;
  8. }

代码示例来源：origin: SmartDataAnalytics/jena-sparql-api

  1. /**
  2.  * CONSTRUCT queries are mapped to result sets with the variables ?s ?p ?o
  3.  *
  4.  */
  5. public static ResultSet forceExecResultSet(QueryExecution qe, Query query) {
  6.   ResultSet result;
  7.   if(query.isSelectType()) {
  8.     result = qe.execSelect();
  9.   } else if(query.isConstructType()) {
  10.     Iterator<Triple> it = qe.execConstructTriples();
  11.     result = org.aksw.jena_sparql_api.core.utils.ResultSetUtils.tripleIteratorToResultSet(it, new CloseableQueryExecution(qe));
  12.   } else {
  13.     throw new RuntimeException("Query type is not supported: " + query);
  14.   }
  15.   return result;
  16. }

代码示例来源：origin: SmartDataAnalytics/jena-sparql-api

  1. private Iterator<Triple> executeConstructStreaming(Query query) {
  2.   if (!query.isConstructType()) {
  3.     throw new RuntimeException("CONSTRUCT query expected. Got: ["
  4.         + query.toString() + "]");
  5.   }
  6.   Query clone = query.cloneQuery();
  7.   clone.setQuerySelectType();
  8.   //Query selectQuery = QueryUtils.elementToQuery(query.getQueryPattern());
  9.   clone.setQueryResultStar(true);
  10.   ResultSetCloseable rs = executeCoreSelect(clone);
  11.   System.out.println("Executing query as: " + clone);
  12.   // insertPrefixesInto(result) ;
  13.   Template template = query.getConstructTemplate();
  14.   Iterator<Triple> result = new ConstructIterator(template, rs);
  15.   return result;
  16. }

代码示例来源：origin: Galigator/openllet

  1. private void printQueryResults()
  2. {
  3.   if (query.isSelectType())
  4.     printSelectQueryResuts();
  5.   else
  6.     if (query.isConstructType())
  7.       printConstructQueryResults();
  8.     else
  9.       if (query.isAskType())
  10.         printAskQueryResult();
  11. }

代码示例来源：origin: SmartDataAnalytics/jena-sparql-api

  1. public static SparqlView create(String name, Query query) {
  2.     if(!query.isConstructType()) {
  3.       throw new RuntimeException("Query must be a construct query");
  4.     }
  6.     Op tmp = Algebra.compile(query.getQueryPattern());
  7.     Op op = Algebra.toQuadForm(tmp);
  9.     QuadPattern quadPattern = QuadPatternUtils.toQuadPattern(Quad.defaultGraphNodeGenerated, query.getConstructTemplate().getBGP());
  11. //        QuadPattern quadPattern = new QuadPattern();
  12. //        for(Triple triple : query.getConstructTemplate().getTriples()) {
  13. //            quadPattern.add(new Quad(Quad.defaultGraphNodeGenerated, triple));
  14. //        }
  16.     SparqlView result = create(name, quadPattern, op);
  17.     //SparqlView result = new SparqlView(name, quadPattern, new ExprList(), new VarDefinition(), op);
  18.     return result;
  19.   }

代码示例来源：origin: apache/jena

  1. @Override
  2. public void visitConstructResultForm(Query query1)
  3. {
  4.   check("Not both CONSTRUCT queries", query2.isConstructType()) ;
  5.   check("CONSTRUCT templates", 
  6.      query1.getConstructTemplate().equalIso(query2.getConstructTemplate(), new NodeIsomorphismMap()) ) ;
  7. }

代码示例来源：origin: SmartDataAnalytics/jena-sparql-api

  1. public static MappedConcept<Graph> query(Query query, Var partitionVar) {
  2.     Assert.isTrue(query.isConstructType());
  4.     Template template = query.getConstructTemplate();
  5.     BasicPattern bgp = template.getBGP();
  7.     BasicPattern newBgp = allocVarsForBlankNodes(bgp);
  9.     //Element e = new Element
  10.     Element newElement = new ElementTriplesBlock(newBgp);
  11.     Template newTemplate = new Template(newBgp);
  13.     Concept concept = new Concept(newElement, partitionVar);
  14.     Agg<Graph> agg = AggGraph.create(newTemplate);
  16.     MappedConcept<Graph> result = MappedConcept.create(concept, agg);
  17.     return result;
  18.   }
  19. }

代码示例来源：origin: apache/jena

  1. @Override
  2. public Iterator<Quad> execConstructQuads() {
  3.   checkNotClosed();
  4.   if ( ! query.isConstructType() )
  5.     throw new QueryExecException("Attempt to get a CONSTRUCT model from a "+labelForQuery(query)+" query") ;
  6.   // This causes there to be no PROJECT around the pattern.
  7.   // That in turn, exposes the initial bindings.  
  8.   query.setQueryResultStar(true) ;
  9.   startQueryIterator() ;
  10.   
  11.   Template template = query.getConstructTemplate() ;
  12.   return TemplateLib.calcQuads(template.getQuads(), queryIterator);
  13. }

代码示例来源：origin: apache/jena

  1. @Override
  2. public Iterator<Triple> execConstructTriples() {
  3.   checkNotClosed();
  4.   if ( ! query.isConstructType() )
  5.     throw new QueryExecException("Attempt to get a CONSTRUCT model from a "+labelForQuery(query)+" query") ;
  6.   // This causes there to be no PROJECT around the pattern.
  7.   // That in turn, exposes the initial bindings.  
  8.   query.setQueryResultStar(true) ;
  9.   startQueryIterator() ;
  10.   
  11.   Template template = query.getConstructTemplate() ;
  12.   return TemplateLib.calcTriples(template.getTriples(), queryIterator);
  13. }

代码示例来源：origin: tarql/tarql

  1. private void processResults(TarqlQueryExecution ex) throws IOException {
  2.   if (testQuery && ex.getFirstQuery().getConstructTemplate() != null) {
  3.     IndentedWriter out = new IndentedWriter(System.out); 
  4.     new FmtTemplate(out, new SerializationContext(ex.getFirstQuery())).format(ex.getFirstQuery().getConstructTemplate());
  5.     out.flush();
  6.   }
  7.   if (ex.getFirstQuery().isSelectType()) {
  8.     System.out.println(ResultSetFormatter.asText(ex.execSelect()));
  9.   } else if (ex.getFirstQuery().isAskType()) {
  10.     System.out.println(ResultSetFormatter.asText(ex.execSelect()));
  11.   } else if (ex.getFirstQuery().isConstructType()) {
  12.     resultTripleIterator = resultTripleIterator.andThen(ex.execTriples());
  13.   } else {
  14.     cmdError("Only query forms CONSTRUCT, SELECT and ASK are supported");
  15.   }
  16. }

代码示例来源：origin: apache/jena

  1. private void compareDatasetResults(Dataset resultsActual, Query query)
  2. {
  3.   if ( results != null )
  4.   {
  5.     try {
  6.       if ( ! results.isDataset() )
  7.         fail("Expected results are not a graph: "+testItem.getName()) ;
  8.         
  9.       Dataset resultsExpected = results.getDataset() ;
  10.       if ( ! IsoMatcher.isomorphic( resultsExpected.asDatasetGraph(),resultsActual.asDatasetGraph() ) )
  11.       {
  12.         printFailedDatasetTest(query, resultsExpected, resultsActual) ;
  13.         fail("Results do not match: "+testItem.getName()) ;
  14.       }
  15.     } catch (Exception ex)
  16.     {
  17.       String typeName = (query.isConstructType()?"construct":"describe") ;
  18.       fail("Exception in result testing ("+typeName+"): "+ex) ;
  19.     }
  20.   }
  21. }

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