org.apache.jena.query.Query.getConstructTemplate()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.getConstructTemplate方法的一些代码示例，展示了Query.getConstructTemplate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.getConstructTemplate方法的具体详情如下：
包路径：org.apache.jena.query.Query
类名称：Query
方法名：getConstructTemplate

Query.getConstructTemplate介绍

[英]Get the template pattern for a construct query
[中]获取构造查询的模板模式

代码示例

代码示例来源：origin: apache/jena

  1. /**
  2.  * The constructor
  3.  * @param query The query that this handler will be modifying.
  4.  */
  5. public ConstructHandler(Query query) {
  6.   this.query = query;
  7.   constructs = new ArrayList<>();
  8.   if (query.getConstructTemplate() != null) {
  9.     for (Triple t : query.getConstructTemplate().getTriples()) {
  10.       constructs.add(t);
  11.     }
  12.   }
  13. }

代码示例来源：origin: org.apache.jena/jena-querybuilder

  1. /**
  2.  * The constructor
  3.  * @param query The query that this handler will be modifying.
  4.  */
  5. public ConstructHandler(Query query) {
  6.   this.query = query;
  7.   constructs = new ArrayList<>();
  8.   if (query.getConstructTemplate() != null) {
  9.     for (Triple t : query.getConstructTemplate().getTriples()) {
  10.       constructs.add(t);
  11.     }
  12.   }
  13. }

代码示例来源：origin: apache/jena

  1. @Override
  2. public void visitConstructResultForm(Query query)
  3. {
  4.   x ^= query.getConstructTemplate().hashCode() ;
  5. }

代码示例来源：origin: apache/jena

  1. @Override
  2. public void visitConstructResultForm(Query query) {
  3.   newQuery.setQueryConstructType();
  4.   newQuery.setConstructTemplate(query.getConstructTemplate());
  5. }

代码示例来源：origin: apache/jena

  1. public static Template parseTemplate(String string)
  2. {
  3.   final Query query = new Query () ;
  4.   Action action = new Action() {
  5.     @Override
  6.     public void exec(SPARQLParser10 parser) throws Exception
  7.     {
  8.       Template t = parser.ConstructTemplate() ;
  9.       query.setConstructTemplate(t) ;
  10.     }
  11.   } ;
  12.   perform(query, string, action) ;
  13.   return query.getConstructTemplate() ;
  14. }

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

  1. @Override
  2. public void visitConstructResultForm(Query query) {
  3.   newQuery.setQueryConstructType() ;
  4.   newQuery.setConstructTemplate(query.getConstructTemplate()) ;
  5. }

代码示例来源：origin: apache/jena

  1. public static Template parseTemplate(String string)
  2. {
  3.   final Query query = new Query () ;
  4.   Action action = new Action() {
  5.     @Override
  6.     public void exec(SPARQLParser11 parser) throws Exception
  7.     {
  8.       Template t = parser.ConstructTemplate() ;
  9.       query.setConstructTemplate(t) ;
  10.     }
  11.   } ;
  12.   perform(query, string, action) ;
  13.   return query.getConstructTemplate() ;
  14. }

代码示例来源：origin: apache/jena

  1. public static Template parseTemplate(String string)
  2. {
  3.   final Query query = new Query () ;
  4.   Action action = new Action() {
  5.     @Override
  6.     public void exec(ARQParser parser) throws Exception
  7.     {
  8.       Template t = parser.ConstructTemplate() ;
  9.       query.setConstructTemplate(t) ;
  10.     }
  11.   } ;
  12.   perform(query, string, action) ;
  13.   return query.getConstructTemplate() ;
  14. }

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. 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: 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 query)
  3.   {
  4.     out.print("CONSTRUCT ") ;
  5. //        if ( query.isQueryResultStar() )
  6. //        {
  7. //            out.print("*") ;
  8. //            out.newline() ;
  9. //        }
  10. //        else
  11.     {
  12.       out.incIndent(BLOCK_INDENT) ;
  13.       out.newline() ;
  14.       Template t = query.getConstructTemplate() ;
  15.       fmtTemplate.format(t) ;
  16.       out.decIndent(BLOCK_INDENT) ;
  17.     }
  18.   }

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: SmartDataAnalytics/jena-sparql-api

  1. public static MappedConcept<DatasetGraph> query2(Query query, Var partitionVar) {
  2.   Assert.isTrue(query.isConstructType());
  3.   Template template = query.getConstructTemplate();
  4.   BasicPattern bgp = template.getBGP();
  5.   BasicPattern newBgp = allocVarsForBlankNodes(bgp);
  6.   //org.aksw.jena_sparql_api.utils.VarUtils.
  7.   // Allocate a fresh var for the graph
  8.   Var g = Var.alloc("_g_");
  9.   //Element e = new Element
  10.   Element tmp = new ElementTriplesBlock(newBgp);
  11.   Element newElement = new ElementNamedGraph(g, tmp);
  12.   OpQuadPattern tmpOp = new OpQuadPattern(g, newBgp);
  13.   QuadPattern quadPattern = tmpOp.getPattern();
  14.   Concept concept = new Concept(newElement, partitionVar);
  15.   Agg<DatasetGraph> agg = AggDatasetGraph.create(quadPattern);
  16.   MappedConcept<DatasetGraph> result = MappedConcept.create(concept, agg);
  17.   return result;
  18. }

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

  1. Template template = query.getConstructTemplate();
  2. QuadPattern qp = QuadPatternUtils.toQuadPattern(Quad.defaultGraphNodeGenerated, template.getBGP());
  3. Agg<DatasetGraph> agg = AggDatasetGraph.create(qp);

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

  1. final Template template = _query.getConstructTemplate();

代码示例来源：origin: Galigator/openllet

  1. final Template template = _query.getConstructTemplate();

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