@Override public void meet(final FunctionCall call) { final IRI fnUri = VF.createIRI(call.getURI()); final Var resultVar = IndexingFunctionRegistry.getResultVarFromFunctionCall(fnUri, call.getArgs()); if (resultVar != null && resultVar.getName().equals(matchVar)) { addFilter(VF.createIRI(call.getURI()), extractArguments(matchVar, call)); if (call.getParentNode() instanceof Filter || call.getParentNode() instanceof And || call.getParentNode() instanceof LeftJoin) { call.replaceWith(new ValueConstant(VF.createLiteral(true))); } else { throw new IllegalArgumentException("Query error: Found " + call + " as part of an expression that is too complex"); } } }
QueryModelNode parent = f.getParentNode(); if (parent instanceof ExtensionElem) { fVar = ((ExtensionElem)parent).getName();
@Override public void updateQueryModelNodes(boolean hasResult) { QueryModelNode replacementNode = hasResult ? new SingletonSet() : new EmptySet(); geoStatement.replaceWith(replacementNode); if (hasResult) { filter.replaceWith(filter.getArg()); } else { filter.replaceWith(new EmptySet()); } QueryModelNode functionParent = distanceFunction.getParentNode(); if (functionParent instanceof ExtensionElem) { Extension extension = (Extension)functionParent.getParentNode(); List<ExtensionElem> elements = extension.getElements(); if (elements.size() > 1) { elements.remove(functionParent); } else { extension.replaceWith(extension.getArg()); } } }
ValueExpr dist = null; String distanceVar = null; QueryModelNode parent = f.getParentNode(); if (parent instanceof ExtensionElem) { distanceVar = ((ExtensionElem)parent).getName();