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

Query.isSelectType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) {
  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: 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: SmartDataAnalytics/jena-sparql-api

  1. @Override
  2. public ResultSet execSelect() {
  3.   if (!query.isSelectType()) {
  4.     throw new RuntimeException("SELECT query expected. Got: ["
  5.         + query.toString() + "]");
  6.   }
  7.   return executeCoreSelect(query);
  8. }

代码示例来源：origin: apache/jena

  1. protected Query endSubSelect(int line, int column)
  2. {
  3.   Query subQuery = query ;
  4.   if ( ! subQuery.isSelectType() )
  5.     throwParseException("Subquery not a SELECT query", line, column) ;
  6.   popQuery();
  7.   return subQuery ;
  8. }

代码示例来源：origin: vivo-project/Vitro

  1. public static Query createQuery(String queryParam) throws AjaxControllerException {
  2.   Query query = QueryFactory.create(queryParam, Syntax.syntaxARQ);
  3.   if (!query.isSelectType()) {
  4.     throw new AjaxControllerException(SC_NOT_FOUND,
  5.         "Only 'select' queries are allowed.");
  6.   }
  7.   return query;
  8. }

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: dice-group/NLIWOD

  1. public Set<Triple> extractTriplePattern(final Query query, final boolean ignoreOptionals) {
  2.   triplePattern = new HashSet<>();
  3.   optionalTriplePattern = new HashSet<>();
  4.   query.getQueryPattern().visit(this);
  5.   // postprocessing: triplepattern in OPTIONAL clause
  6.   if (!ignoreOptionals && query.isSelectType()) {
  7.     for (Triple t : optionalTriplePattern) {
  8.       if (!ListUtils.intersection(new ArrayList<>(VarUtils.getVars(t)), query.getProjectVars()).isEmpty()) {
  9.         triplePattern.add(t);
  10.       }
  11.     }
  12.   }
  13.   return triplePattern;
  14. }

代码示例来源：origin: stackoverflow.com

  1. Query query = QueryFactory.create(queryString);
  2. query.isSelectType() && query.isQueryResultStar(); // of the form SELECT *?
  3. query.getDatasetDescription(); // FROM / FROM NAMED bits
  4. query.getQueryPattern(); // The meat of the query, the WHERE bit
  5. ...etc etc..
  6. Op op = Algebra.compile(query); // Get the algebra for the query

代码示例来源：origin: apache/jena

  1. /** Return a closable resultset for a {@link QueryExecution}.
  2.  * The {@link QueryExecution} must be for a {@code SELECT} query.
  3.  * @param queryExecution {@code QueryExecution} must be for a {@code SELECT} query.
  4.  * @return ResultSetCloseable
  5.  */
  6. public static ResultSetCloseable closeableResultSet(QueryExecution queryExecution) {
  7.   if ( queryExecution.getQuery() != null && ! queryExecution.getQuery().isSelectType() )
  8.     throw new IllegalArgumentException("Not an execution for a SELECT query");
  9.   return new ResultSetCloseable(queryExecution.execSelect(), queryExecution) ;
  10. }

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. /**
  2.  * Execute a SELECT query and process the ResultSet with the handler code.  
  3.  * @param query
  4.  * @param resultSetAction
  5.  */
  6. @Override
  7. public default void queryResultSet(Query query, Consumer<ResultSet> resultSetAction) {
  8.   if ( ! query.isSelectType() )
  9.     throw new JenaConnectionException("Query is not a SELECT query");
  10.   Txn.executeRead(this, ()->{ 
  11.     try ( QueryExecution qExec = query(query) ) {
  12.       ResultSet rs = qExec.execSelect();
  13.       resultSetAction.accept(rs);
  14.     }
  15.   } ); 
  16. }

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: apache/jena

  1. @Override
  2. public ResultSet execSelect() {
  3.   checkNotClosed();
  4.   if ( !query.isSelectType() )
  5.     throw new QueryExecException("Attempt to have ResultSet from a " + labelForQuery(query) + " query");
  6.   ResultSet rs = execResultSet();
  7.   return new ResultSetCheckCondition(rs, this);
  8. }

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. /**
  2.  * Execute a SELECT query and process the rows of the results with the handler code.  
  3.  * @param query
  4.  * @param rowAction
  5.  */
  6. @Override
  7. public default void querySelect(Query query, Consumer<QuerySolution> rowAction) {
  8.   if ( ! query.isSelectType() )
  9.     throw new JenaConnectionException("Query is not a SELECT query");
  10.   Txn.executeRead(this, ()->{ 
  11.     try ( QueryExecution qExec = query(query) ) {
  12.       qExec.execSelect().forEachRemaining(rowAction);
  13.     }
  14.   } ); 
  15. }

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

  1. /**
  2.  * Execute a SELECT query and process the rows of the results with the handler code.  
  3.  * @param query
  4.  * @param rowAction
  5.  */
  6. @Override
  7. public default void querySelect(Query query, Consumer<QuerySolution> rowAction) {
  8.   if ( ! query.isSelectType() )
  9.     throw new JenaConnectionException("Query is not a SELECT query");
  10.   Txn.executeRead(this, ()->{ 
  11.     try ( QueryExecution qExec = query(query) ) {
  12.       qExec.execSelect().forEachRemaining(rowAction);
  13.     }
  14.   } ); 
  15. }

代码示例来源：origin: apache/jena

  1. @Override
  2. public void visitSelectResultForm(Query query1)
  3. { 
  4.   check("Not both SELECT queries", query2.isSelectType()) ;
  5.   check("DISTINCT modifier",
  6.      query1.isDistinct() == query2.isDistinct()) ;
  7.   check("SELECT *", query1.isQueryResultStar() == query2.isQueryResultStar()) ;
  8.   check("Result variables",   query1.getProject(), query2.getProject() ) ;
  9. }

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