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

Query.isAskType介绍

暂无

代码示例

代码示例来源：origin: at.researchstudio.sat/won-core

  1. public WonSparqlValidator(Query constraint, String name) {
  2.   if (!constraint.isAskType() && !constraint.isSelectType()) {
  3.     throw new IllegalArgumentException("Wrong constraint type!");
  4.   }
  5.   this.constraint = constraint;
  6.   this.name = name;
  7. }

代码示例来源：origin: at.researchstudio.sat/won-core

  1. public WonSparqlValidator(Query constraint) {
  2.   if (!constraint.isAskType() && !constraint.isSelectType()) {
  3.     throw new IllegalArgumentException("Wrong constraint type!");
  4.   }
  5.   this.constraint = constraint;
  6. }

代码示例来源：origin: apache/jena

  1. @Override
  2. public void visitAskResultForm(Query query1)
  3. {
  4.   check("Not both ASK queries", query2.isAskType()) ;
  5. }

代码示例来源：origin: vivo-project/Vitro

  1. private String interpretRequestedFormats(HttpServletRequest req,
  2.     String queryString) throws NotAcceptableException {
  3.   Query query = SparqlQueryUtils.create(queryString);
  4.   String parameterName = (query.isSelectType() || query.isAskType()) ? "resultFormat"
  5.       : "rdfResultFormat";
  6.   String parameterValue = req.getParameter(parameterName);
  7.   if (StringUtils.isBlank(parameterValue)) {
  8.     throw new NotAcceptableException("Parameter '" + parameterName
  9.         + "' was '" + parameterValue + "'.");
  10.   } else {
  11.     return parameterValue;
  12.   }
  13. }

代码示例来源：origin: at.researchstudio.sat/won-core

  1. public ValidationResult validate(Dataset input) {
  2.   if (logger.isDebugEnabled()) {
  3.     logger.debug("validating constraint of WonSparqlValidator '{}'", name);
  4.   }
  5.   if (constraint.isAskType()) {
  6.     return validateAsk(input);
  7.   } else if (constraint.isSelectType()) {
  8.     return validateSelect(input);
  9.   }
  10.   return new ValidationResult(false, "Invalid constraint: " + constraint.toString());
  11. }

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: 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: TopQuadrant/shacl

  1. /**
  2.  * Constructs a new SHACLSPARQLARQFunction based on a given sh:ConstraintComponent
  3.  * and a given validator (which must be a value of sh:nodeValidator, sh:propertyValidator etc.
  4.  * @param component  the constraint component (defining the sh:parameters)
  5.  * @param askValidator  the sh:SPARQLAskValidator resource
  6.  */
  7. public SHACLSPARQLARQFunction(SHConstraintComponent component, Resource askValidator) {
  8.   
  9.   super(null);
  10.   
  11.   try {
  12.     queryString = JenaUtil.getStringProperty(askValidator, SH.ask);
  13.     arqQuery = ARQFactory.get().createQuery(SPARQLSubstitutions.withPrefixes(queryString, askValidator));
  14.   }
  15.   catch(Exception ex) {
  16.     throw new IllegalArgumentException("Validator " + askValidator + " does not define a valid body", ex);
  17.   }
  18.   if(!arqQuery.isAskType()) {
  19.     throw new ExprEvalException("Body must be ASK query");
  20.   }
  21.   
  22.   paramNames.add("value");
  23.   addParameters(component);
  24.   paramNames.add("shapesGraph");
  25. }

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: apache/jena

  1. @Override
  2. public boolean execAsk() {
  3.   checkNotClosed();
  4.   if ( !query.isAskType() )
  5.     throw new QueryExecException("Attempt to have boolean from a " + labelForQuery(query) + " query");
  6.   startQueryIterator();
  7.   
  8.   boolean r;
  9.   try {
  10.     // Not has next because setting timeout1 which applies to getting
  11.     // the first result, not testing for it.
  12.     queryIterator.next();
  13.     r = true;
  14.   } catch (NoSuchElementException ex) { r = false; }
  15.   
  16.   this.close();
  17.   return r;
  18. }

代码示例来源：origin: TopQuadrant/shacl

  1. /**
  2.  * Constructs a new SHACLSPARQLARQFunction based on a given sh:Function.
  3.  * The shaclFunction must be associated with the Model containing
  4.  * the triples of its definition.
  5.  * @param shaclFunction  the SHACL function
  6.  */
  7. public SHACLSPARQLARQFunction(SHSPARQLFunction shaclFunction) {
  8.   
  9.   super(shaclFunction);
  10.   
  11.   try {
  12.     queryString = shaclFunction.getSPARQL();
  13.     arqQuery = ARQFactory.get().createQuery(SPARQLSubstitutions.withPrefixes(queryString, shaclFunction));
  14.   }
  15.   catch(Exception ex) {
  16.     throw new IllegalArgumentException("Function " + shaclFunction.getURI() + " does not define a valid body", ex);
  17.   }
  18.   if(!arqQuery.isAskType() && !arqQuery.isSelectType()) {
  19.     throw new ExprEvalException("Body must be ASK or SELECT query");
  20.   }
  21.   addParameters(shaclFunction);
  22. }

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

  1. /**
  2.  * Constructs a new SHACLSPARQLARQFunction based on a given sh:Function.
  3.  * The shaclFunction must be associated with the Model containing
  4.  * the triples of its definition.
  5.  * @param shaclFunction  the SHACL function
  6.  */
  7. public SHACLSPARQLARQFunction(SHSPARQLFunction shaclFunction) {
  8.   
  9.   super(shaclFunction);
  10.   
  11.   try {
  12.     queryString = shaclFunction.getSPARQL();
  13.     arqQuery = ARQFactory.get().createQuery(SPARQLSubstitutions.withPrefixes(queryString, shaclFunction));
  14.   }
  15.   catch(Exception ex) {
  16.     throw new IllegalArgumentException("Function " + shaclFunction.getURI() + " does not define a valid body", ex);
  17.   }
  18.   if(!arqQuery.isAskType() && !arqQuery.isSelectType()) {
  19.     throw new ExprEvalException("Body must be ASK or SELECT query");
  20.   }
  21.   addParameters(shaclFunction);
  22. }

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

  1. @Override
  2. public NodeValue executeBody(Dataset dataset, Model defaultModel, QuerySolution bindings) {
  3.   try( QueryExecution qexec = createQueryExecution(dataset, defaultModel, bindings) ) {
  4.     if(arqQuery.isAskType()) {
  5.       boolean result = qexec.execAsk();
  6.       return NodeValue.makeBoolean(result);
  7.     }
  8.     else {
  9.       ResultSet rs = qexec.execSelect();
  10.       if(rs.hasNext()) {
  11.         QuerySolution s = rs.nextSolution();
  12.         List<String> resultVars = rs.getResultVars();
  13.         String varName = resultVars.get(0);
  14.         RDFNode resultNode = s.get(varName);
  15.         if(resultNode != null) {
  16.           return NodeValue.makeNode(resultNode.asNode());
  17.         }
  18.       }
  19.       throw new ExprEvalException("Empty result set for SHACL function");
  20.     }
  21.   }
  22. }

代码示例来源：origin: TopQuadrant/shacl

  1. @Override
  2. public NodeValue executeBody(Dataset dataset, Model defaultModel, QuerySolution bindings) {
  3.   try( QueryExecution qexec = createQueryExecution(dataset, defaultModel, bindings) ) {
  4.     if(arqQuery.isAskType()) {
  5.       boolean result = qexec.execAsk();
  6.       return NodeValue.makeBoolean(result);
  7.     }
  8.     else {
  9.       ResultSet rs = qexec.execSelect();
  10.       if(rs.hasNext()) {
  11.         QuerySolution s = rs.nextSolution();
  12.         List<String> resultVars = rs.getResultVars();
  13.         String varName = resultVars.get(0);
  14.         RDFNode resultNode = s.get(varName);
  15.         if(resultNode != null) {
  16.           return NodeValue.makeNode(resultNode.asNode());
  17.         }
  18.       }
  19.       throw new ExprEvalException("Empty result set for SHACL function");
  20.     }
  21.   }
  22. }

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 QueryExecution createQueryExecution(Query query, String queryStringToSend) {
  2.   QueryExecution qExec = new QueryEngineHTTP(svcQuery, queryStringToSend, httpClient, httpContext);
  3.   QueryEngineHTTP qEngine = (QueryEngineHTTP)qExec;
  4.   // Set the accept header - use the most specific method. 
  5.   if ( query != null ) {
  6.     if ( query.isSelectType() && acceptSelectResult != null )
  7.       qEngine.setAcceptHeader(acceptSelectResult);
  8.     if ( query.isAskType() && acceptAskResult != null )
  9.       qEngine.setAcceptHeader(acceptAskResult);
  10.     if ( ( query.isConstructType() || query.isDescribeType() ) && acceptGraph != null )
  11.       qEngine.setAcceptHeader(acceptGraph);
  12.     if ( query.isConstructQuad() )
  13.       qEngine.setDatasetContentType(acceptDataset);
  14.   }
  15.   // Use the general one.
  16.   if ( qEngine.getAcceptHeader() == null && acceptSparqlResults != null )
  17.     qEngine.setAcceptHeader(acceptSparqlResults);
  18.   // Make sure it was set somehow.
  19.   if ( qEngine.getAcceptHeader() == null )
  20.     throw new JenaConnectionException("No Accept header");   
  21.   return qExec ;
  22. }

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

  1. private QueryExecution createQueryExecution(Query query, String queryStringToSend) {
  2.   QueryExecution qExec = new QueryEngineHTTP(svcQuery, queryStringToSend, httpClient, httpContext);
  3.   QueryEngineHTTP qEngine = (QueryEngineHTTP)qExec;
  4.   // Set the accept header - use the most specific method. 
  5.   if ( query != null ) {
  6.     if ( query.isSelectType() && acceptSelectResult != null )
  7.       qEngine.setAcceptHeader(acceptSelectResult);
  8.     if ( query.isAskType() && acceptAskResult != null )
  9.       qEngine.setAcceptHeader(acceptAskResult);
  10.     if ( ( query.isConstructType() || query.isDescribeType() ) && acceptGraph != null )
  11.       qEngine.setAcceptHeader(acceptGraph);
  12.     if ( query.isConstructQuad() )
  13.       qEngine.setDatasetContentType(acceptDataset);
  14.   }
  15.   // Use the general one.
  16.   if ( qEngine.getAcceptHeader() == null && acceptSparqlResults != null )
  17.     qEngine.setAcceptHeader(acceptSparqlResults);
  18.   // Make sure it was set somehow.
  19.   if ( qEngine.getAcceptHeader() == null )
  20.     throw new JenaConnectionException("No Accept header");   
  21.   return qExec ;
  22. }

代码示例来源：origin: apache/jena

  1. public static void executeQuery(Prologue prologue, QueryExecution queryExecution, ResultsFormat outputFormat) {
  2.   Query query = queryExecution.getQuery() ;
  3.   if ( prologue == null )
  4.     prologue = query.getPrologue() ;
  5.   if ( prologue == null )
  6.     prologue = dftPrologue ;
  7.   if ( query.isSelectType() )
  8.     doSelectQuery(prologue, queryExecution, outputFormat) ;
  9.   else if ( query.isDescribeType() )
  10.     doDescribeQuery(prologue, queryExecution, outputFormat) ;
  11.   else if ( query.isConstructQuad() )
  12.     // Before isConstructType.
  13.     doConstructQuadsQuery(prologue, queryExecution, outputFormat) ;
  14.   else if ( query.isConstructType() )
  15.     doConstructQuery(prologue, queryExecution, outputFormat) ;
  16.   else if ( query.isAskType() )
  17.     doAskQuery(prologue, queryExecution, outputFormat) ;
  18.   else if ( query.isJsonType() )
  19.     doJsonQuery(prologue, queryExecution, outputFormat) ;
  20.   else
  21.     throw new QueryException("Unrecognized query form");
  22. }

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