org.eclipse.rdf4j.query.algebra.Extension.getArg()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.getArg()方法的一些代码示例，展示了Extension.getArg()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.getArg()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：getArg

Extension.getArg介绍

暂无

代码示例

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.   node.getArg().visit(this);
  6. }

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

  1. @Override
  2. public void meet(Extension node) {
  3.   if (node.getArg().getBindingNames().containsAll(filterVars)) {
  4.     node.getArg().visit(this);
  5.   }
  6.   else {
  7.     relocate(filter, node);
  8.   }
  9. }

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

  1. @Override
  2. public void meet(Extension node) {
  3.   if (node.getArg().getBindingNames().containsAll(filterVars)) {
  4.     node.getArg().visit(this);
  5.   }
  6.   else {
  7.     relocate(filter, node);
  8.   }
  9. }

代码示例来源：origin: Merck/Halyard

  1. }, extension.getArg(), bindings);

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: apache/incubator-rya

  1. @Override
  2. public void meet(final MultiProjection node) throws TopologyBuilderException {
  3.   final String id = PROJECTION_PREFIX + UUID.randomUUID();
  4.   final Optional<Side> side = getSide(node);
  5.   final MultiProjectionProcessorSupplier supplier = new MultiProjectionProcessorSupplier(
  6.       MultiProjectionEvaluator.make(node, bNodeIdFactory),
  7.       result -> getResult(side, result));
  8.   // If the arg is an Extension, then this node's grandchild is the next processing node.
  9.   TupleExpr downstreamNode = node.getArg();
  10.   if (downstreamNode instanceof Extension) {
  11.     downstreamNode = ((Extension) downstreamNode).getArg();
  12.   }
  13.   entries.add(new ProcessorEntry(node, id, side, supplier, Lists.newArrayList(downstreamNode)));
  14.   idMap.put(node, id);
  15.   super.meet(node);
  16. }

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

  1. public CloseableIteration<BindingSet, QueryEvaluationException> evaluate(Extension extension,
  2.     BindingSet bindings)
  3.   throws QueryEvaluationException
  4. {
  5.   CloseableIteration<BindingSet, QueryEvaluationException> result;
  6.   try {
  7.     result = this.evaluate(extension.getArg(), bindings);
  8.   }
  9.   catch (ValueExprEvaluationException e) {
  10.     // a type error in an extension argument should be silently ignored
  11.     // and
  12.     // result in zero bindings.
  13.     result = new EmptyIteration<BindingSet, QueryEvaluationException>();
  14.   }
  15.   result = new ExtensionIterator(extension, result, this);
  16.   return result;
  17. }

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

  1. public CloseableIteration<BindingSet, QueryEvaluationException> evaluate(Extension extension,
  2.     BindingSet bindings)
  3.   throws QueryEvaluationException
  4. {
  5.   CloseableIteration<BindingSet, QueryEvaluationException> result;
  6.   try {
  7.     result = this.evaluate(extension.getArg(), bindings);
  8.   }
  9.   catch (ValueExprEvaluationException e) {
  10.     // a type error in an extension argument should be silently ignored
  11.     // and
  12.     // result in zero bindings.
  13.     result = new EmptyIteration<BindingSet, QueryEvaluationException>();
  14.   }
  15.   result = new ExtensionIterator(extension, result, this);
  16.   return result;
  17. }

代码示例来源：origin: apache/incubator-rya

  1. @Override
  2. public void meet(final Projection node) throws TopologyBuilderException {
  3.   final String id = PROJECTION_PREFIX + UUID.randomUUID();
  4.   final Optional<Side> side = getSide(node);
  5.   // If the arg is an Extension, there are rebindings that need to be
  6.   // ignored since they do not have a processor node.
  7.   TupleExpr downstreamNode = node.getArg();
  8.   if (downstreamNode instanceof Extension) {
  9.     downstreamNode = ((Extension) downstreamNode).getArg();
  10.   }
  11.   final ProjectionProcessorSupplier supplier = new ProjectionProcessorSupplier(
  12.       ProjectionEvaluator.make(node),
  13.       result -> getResult(side, result));
  14.   entries.add(new ProcessorEntry(node, id, side, supplier, Lists.newArrayList(downstreamNode)));
  15.   idMap.put(node, id);
  16.   super.meet(node);
  17. }

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. if(extension.getArg() instanceof Group) {
  2.   child = extension;
  3. } else {
  4.   child = extension.getArg();

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: apache/incubator-rya

  1. final TupleExpr arg = node.getArg();
  2. if(arg instanceof Group) {
  3.   final Group group = (Group) arg;

代码示例来源：origin: ontop/ontop

  1. TranslationResult sub = translate(extension.getArg());
  2. final Stream<ExtensionElem> nontrivialBindings = extension.getElements().stream()

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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