org.eclipse.rdf4j.query.algebra.Extension.getElements()方法的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中org.eclipse.rdf4j.query.algebra.Extension.getElements()方法的一些代码示例，展示了Extension.getElements()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。Extension.getElements()方法的具体详情如下：
包路径：org.eclipse.rdf4j.query.algebra.Extension
类名称：Extension
方法名：getElements

Extension.getElements介绍

暂无

代码示例

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-client

  1. @Override
  2. public boolean equals(Object other) {
  3.   if (other instanceof Extension && super.equals(other)) {
  4.     Extension o = (Extension)other;
  5.     return elements.equals(o.getElements());
  6.   }
  7.   return false;
  8. }

代码示例来源：origin: eclipse/rdf4j

  1. @Override
  2. public boolean equals(Object other) {
  3.   if (other instanceof Extension && super.equals(other)) {
  4.     Extension o = (Extension)other;
  5.     return elements.equals(o.getElements());
  6.   }
  7.   return false;
  8. }

代码示例来源：origin: eclipse/rdf4j

  1. @Override
  2.   public Extension clone() {
  3.     Extension clone = (Extension)super.clone();
  5.     clone.elements = new ArrayList<>(getElements().size());
  6.     for (ExtensionElem elem : getElements()) {
  7.       clone.addElement(elem.clone());
  8.     }
  10.     return clone;
  11.   }
  12. }

代码示例来源：origin: de.tudarmstadt.ukp.inception.rdf4j/rdf4j-spin

  1. @Override
  2. public void meet(Extension node) {
  3.   extension = node;
  4.   List<ExtensionElem> elements = node.getElements();
  5.   // NB: preserve ExtensionElem order
  6.   extensionExprs = new LinkedHashMap<String, ValueExpr>(elements.size());
  7.   for (ExtensionElem elem : elements) {
  8.     extensionExprs.put(elem.getName(), elem.getExpr());
  9.   }
  10. }

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-client

  1. @Override
  2.   public Extension clone() {
  3.     Extension clone = (Extension)super.clone();
  5.     clone.elements = new ArrayList<ExtensionElem>(getElements().size());
  6.     for (ExtensionElem elem : getElements()) {
  7.       clone.addElement(elem.clone());
  8.     }
  10.     return clone;
  11.   }
  12. }

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-client

  1. @Override
  2. public void meet(Extension e) {
  3.   super.meet(e);
  4.   for (ExtensionElem elem: e.getElements()) {
  5.     res.add(elem.getName());
  6.   }
  7. }
  8. // TODO maybe stop tree traversal in nested SERVICE?

代码示例来源：origin: eclipse/rdf4j

  1. @Override
  2. public void meet(Extension e) {
  3.   super.meet(e);
  4.   for (ExtensionElem elem: e.getElements()) {
  5.     res.add(elem.getName());
  6.   }
  7. }
  8. // TODO maybe stop tree traversal in nested SERVICE?

代码示例来源：origin: apache/incubator-rya

  1. @Override
  2. public void meet(MultiProjection projection) {
  3.   List<ExtensionElem> bindings;
  4.   if (projection.getArg() instanceof Extension) {
  5.     bindings = ((Extension) projection.getArg()).getElements();
  6.   }
  7.   else {
  8.     bindings = Arrays.asList();
  9.   }
  10.   for (ProjectionElemList template : projection.getProjections()) {
  11.     recordConsequent(template, bindings);
  12.   }
  13. }

代码示例来源：origin: apache/incubator-rya

  1. @Override
  2. public void meet(Extension node) {
  3.   Set<String> argBindings = node.getArg().getBindingNames();
  4.   if (typeRequirement != null) {
  5.     node.getElements().removeIf(elem -> {
  6.       if (varName.equals(elem.getName())) {
  7.         ValueExpr expr = elem.getExpr();
  8.         if (expr == null) {
  9.           return true;
  10.         }
  11.         else if (expr instanceof Var) {
  12.           String fromName = ((Var) expr).getName();
  13.           if (getVarValue((Var) expr) == null && !argBindings.contains(fromName)) {
  14.             return true;
  15.           }
  16.         }
  17.       }
  18.       return false;
  19.     });
  20.     meetUnaryTupleOperator(node);
  21.   }
  22. }
  23. @Override

代码示例来源：origin: apache/incubator-rya

  1. @Override
  2. public void meet(Projection projection) {
  3.   if (projection.getArg() instanceof Extension) {
  4.     recordConsequent(projection.getProjectionElemList(),
  5.         ((Extension) projection.getArg()).getElements());
  6.   }
  7.   else {
  8.     recordConsequent(projection.getProjectionElemList(), Arrays.asList());
  9.   }
  10. }

代码示例来源：origin: ontop/ontop

  1. public DefaultSimpleGraphResultSet(TupleResultSet tupleResultSet, ConstructTemplate constructTemplate,
  2.                   boolean storeResults, TermFactory termFactory,
  3.                   org.apache.commons.rdf.api.RDF rdfFactory) throws OntopResultConversionException, OntopConnectionException {
  4.   this.tupleResultSet = tupleResultSet;
  5.   this.constructTemplate = constructTemplate;
  6.   this.termFactory = termFactory;
  7.   this.rdfFactory = rdfFactory;
  8.   Extension ex = constructTemplate.getExtension();
  9.   if (ex != null) {
  10.     extMap = ex.getElements().stream()
  11.         .collect(ImmutableCollectors.toMap(e -> e.getName(), e -> e.getExpr()));
  12.   }
  13.   else
  14.     extMap = null;
  15.   this.storeResults = storeResults;
  16.   if (storeResults) {
  17.     //process current result set into local buffer,
  18.     //since additional results will be collected
  19.     while (tupleResultSet.hasNext()) {
  20.       results.addAll(processResults(tupleResultSet.next()));
  21.     }
  22.   }
  23. }

代码示例来源：origin: apache/incubator-rya

  1. @Override
  2. public void meet(Extension extensionNode) throws Exception {
  3.   extensionNode.visitChildren(this);
  4.   if (extensionNode.getArg() instanceof AggregationPipelineQueryNode && extensionNode.getParentNode() != null) {
  5.     AggregationPipelineQueryNode pipelineNode = (AggregationPipelineQueryNode) extensionNode.getArg();
  6.     if (pipelineNode.extend(extensionNode.getElements())) {
  7.       extensionNode.replaceWith(pipelineNode);
  8.     }
  9.   }
  10. }

代码示例来源：origin: de.tudarmstadt.ukp.inception.rdf4j/rdf4j-spin

  1. @Override
  2. public void meet(Extension node)
  3.   throws RDFHandlerException
  4. {
  5.   if (inlineBindings != null && inlineBindings.extension == node) {
  6.     // this is the first Extension node and has already been handled
  7.     // by meetExtension()
  8.     // to produce inline bindings in SELECT so we can skip it here
  9.     node.getArg().visit(this);
  10.   }
  11.   else {
  12.     // any further Extension nodes produce BIND() clauses
  13.     node.getArg().visit(this);
  14.     for (ExtensionElem elem : node.getElements()) {
  15.       elem.visit(this);
  16.     }
  17.   }
  18. }

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-sail-lucene-api

  1. @Override
  2.   public void updateQueryModelNodes(boolean hasResult) {
  3.     QueryModelNode replacementNode = hasResult ? new SingletonSet() : new EmptySet();
  4.     geoStatement.replaceWith(replacementNode);
  6.     if (hasResult) {
  7.       filter.replaceWith(filter.getArg());
  8.     }
  9.     else {
  10.       filter.replaceWith(new EmptySet());
  11.     }
  13.     if (functionParent instanceof ExtensionElem) {
  14.       Extension extension = (Extension)functionParent.getParentNode();
  15.       List<ExtensionElem> elements = extension.getElements();
  16.       if (elements.size() > 1) {
  17.         elements.remove(functionParent);
  18.       }
  19.       else {
  20.         extension.replaceWith(extension.getArg());
  21.       }
  22.     }
  23.   }
  24. }

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-sail-lucene-api

  1. @Override
  2. public void updateQueryModelNodes(boolean hasResult) {
  3.   QueryModelNode replacementNode = hasResult ? new SingletonSet() : new EmptySet();
  4.   geoStatement.replaceWith(replacementNode);
  5.   if (hasResult) {
  6.     filter.replaceWith(filter.getArg());
  7.   }
  8.   else {
  9.     filter.replaceWith(new EmptySet());
  10.   }
  11.   QueryModelNode functionParent = distanceFunction.getParentNode();
  12.   if (functionParent instanceof ExtensionElem) {
  13.     Extension extension = (Extension)functionParent.getParentNode();
  14.     List<ExtensionElem> elements = extension.getElements();
  15.     if (elements.size() > 1) {
  16.       elements.remove(functionParent);
  17.     }
  18.     else {
  19.       extension.replaceWith(extension.getArg());
  20.     }
  21.   }
  22. }

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-queryparser-sparql

  1. @Override
  2. public TupleExpr visit(ASTDescribe node, Object data)
  3.   throws VisitorException
  4. {
  5.   TupleExpr tupleExpr = (TupleExpr)data;
  6.   if (tupleExpr == null) {
  7.     tupleExpr = new SingletonSet();
  8.   }
  9.   Extension e = new Extension();
  10.   ProjectionElemList projectionElements = new ProjectionElemList();
  11.   for (int i = 0; i < node.jjtGetNumChildren(); i++) {
  12.     ValueExpr resource = (ValueExpr)node.jjtGetChild(i).jjtAccept(this, null);
  13.     if (resource instanceof Var) {
  14.       projectionElements.addElement(new ProjectionElem(((Var)resource).getName()));
  15.     }
  16.     else {
  17.       String alias = "_describe_" + UUID.randomUUID().toString().replaceAll("-", "_");
  18.       ExtensionElem elem = new ExtensionElem(resource, alias);
  19.       e.addElement(elem);
  20.       projectionElements.addElement(new ProjectionElem(alias));
  21.     }
  22.   }
  23.   if (!e.getElements().isEmpty()) {
  24.     e.setArg(tupleExpr);
  25.     tupleExpr = e;
  26.   }
  27.   Projection p = new Projection(tupleExpr, projectionElements);
  28.   return new DescribeOperator(p);
  29. }

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-client

  1. @Override
  2. public TupleExpr visit(ASTDescribe node, Object data)
  3.   throws VisitorException
  4. {
  5.   TupleExpr tupleExpr = (TupleExpr)data;
  6.   if (tupleExpr == null) {
  7.     tupleExpr = new SingletonSet();
  8.   }
  9.   Extension e = new Extension();
  10.   ProjectionElemList projectionElements = new ProjectionElemList();
  11.   for (int i = 0; i < node.jjtGetNumChildren(); i++) {
  12.     ValueExpr resource = (ValueExpr)node.jjtGetChild(i).jjtAccept(this, null);
  13.     if (resource instanceof Var) {
  14.       projectionElements.addElement(new ProjectionElem(((Var)resource).getName()));
  15.     }
  16.     else {
  17.       String alias = "_describe_" + UUID.randomUUID().toString().replaceAll("-", "_");
  18.       ExtensionElem elem = new ExtensionElem(resource, alias);
  19.       e.addElement(elem);
  20.       projectionElements.addElement(new ProjectionElem(alias));
  21.     }
  22.   }
  23.   if (!e.getElements().isEmpty()) {
  24.     e.setArg(tupleExpr);
  25.     tupleExpr = e;
  26.   }
  27.   Projection p = new Projection(tupleExpr, projectionElements);
  28.   return new DescribeOperator(p);
  29. }

代码示例来源：origin: eclipse/rdf4j

  1. @Override
  2. public TupleExpr visit(ASTDescribe node, Object data)
  3.   throws VisitorException
  4. {
  5.   TupleExpr tupleExpr = (TupleExpr)data;
  6.   if (tupleExpr == null) {
  7.     tupleExpr = new SingletonSet();
  8.   }
  9.   Extension e = new Extension();
  10.   ProjectionElemList projectionElements = new ProjectionElemList();
  11.   for (int i = 0; i < node.jjtGetNumChildren(); i++) {
  12.     ValueExpr resource = (ValueExpr)node.jjtGetChild(i).jjtAccept(this, null);
  13.     if (resource instanceof Var) {
  14.       projectionElements.addElement(new ProjectionElem(((Var)resource).getName()));
  15.     }
  16.     else {
  17.       String alias = "_describe_" + UUID.randomUUID().toString().replaceAll("-", "_");
  18.       ExtensionElem elem = new ExtensionElem(resource, alias);
  19.       e.addElement(elem);
  20.       projectionElements.addElement(new ProjectionElem(alias));
  21.     }
  22.   }
  23.   if (!e.getElements().isEmpty()) {
  24.     e.setArg(tupleExpr);
  25.     tupleExpr = e;
  26.   }
  27.   Projection p = new Projection(tupleExpr, projectionElements);
  28.   return new DescribeOperator(p);
  29. }

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-queryalgebra-evaluation

  1. for (ExtensionElem extElem : extension.getElements()) {
  2.   ValueExpr expr = extElem.getExpr();
  3.   if (!(expr instanceof AggregateOperator)) {

代码示例来源：origin: apache/incubator-rya

  1. @Test
  2.   public void testUnsupportedExtension() throws Exception {
  3.     StatementPattern sp = new StatementPattern(new Var("x"), constant(TAKES), new Var("c"));
  4.     List<ExtensionElem> elements = Arrays.asList(new ExtensionElem(new Var("x"), "renamed"),
  5.         new ExtensionElem(new Not(new ValueConstant(VF.createLiteral(true))), "notTrue"),
  6.         new ExtensionElem(new ValueConstant(TAKES), "constant"));
  7.     Extension extensionNode = new Extension(sp, elements);
  8.     QueryRoot queryTree = new QueryRoot(extensionNode);
  9.     SparqlToPipelineTransformVisitor visitor = new SparqlToPipelineTransformVisitor(collection);
  10.     queryTree.visit(visitor);
  11.     Assert.assertTrue(queryTree.getArg() instanceof Extension);
  12.     Assert.assertEquals(elements, ((Extension) queryTree.getArg()).getElements());
  13.     TupleExpr innerQuery = ((Extension) queryTree.getArg()).getArg();
  14.     Assert.assertTrue(innerQuery instanceof AggregationPipelineQueryNode);
  15.     AggregationPipelineQueryNode pipelineNode = (AggregationPipelineQueryNode) innerQuery;
  16.     Assert.assertEquals(Sets.newHashSet("x", "c"), pipelineNode.getAssuredBindingNames());
  17.   }
  18. }

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