Uses of Class
com.bigdata.rdf.sparql.ast.VarNode

Packages that use VarNode

Package	Description
com.bigdata.rdf.sail.sparql	This package was imported from the org.openrdf.query.parser.sparql package of the openrdf distribution.
com.bigdata.rdf.sparql
com.bigdata.rdf.sparql.ast	This package contains an Abstract Syntax Tree which provides an intermediate translation target for SPARQL parsers.
com.bigdata.rdf.sparql.ast.eval
com.bigdata.rdf.sparql.ast.optimizers

Uses of VarNode in com.bigdata.rdf.sail.sparql

Methods in com.bigdata.rdf.sail.sparql that return VarNode

Modifier and Type	Method and Description
protected VarNode	BigdataASTContext.createAnonVar(String varName) Create an anonymous variable.
protected VarNode	BigdataASTContext.createSidVar() Return a new variable for a SID (Statement Identifier)
VarNode	TriplePatternExprBuilder.visit(ASTBlankNodePropertyList node, Object data)
VarNode	TriplePatternExprBuilder.visit(ASTCollection node, Object data) Handle the RDF Collection syntax.
VarNode	UpdateExprBuilder.visit(ASTSolutionsRef node, Object data) Solution set names get modeled as variables which report true for isSolutionSet().
VarNode	BigdataASTVisitorBase.visit(ASTVar node, Object data) Note: openrdf uses the BlankNodeVarProcessor create anonymous variables from blank nodes and then flags those as anonymous variables in this step.

Uses of VarNode in com.bigdata.rdf.sparql

Methods in com.bigdata.rdf.sparql that return VarNode

Modifier and Type	Method and Description
protected VarNode	AbstractBigdataExprBuilderTestCase.makeAnon(VarNode v) Marks the variable as anonymous.
protected VarNode	AbstractBigdataExprBuilderTestCase.mockAnonVar(String varname) Return an anonymous variable having exactly the given variable name.

Methods in com.bigdata.rdf.sparql with parameters of type VarNode

Modifier and Type	Method and Description
protected VarNode	AbstractBigdataExprBuilderTestCase.makeAnon(VarNode v) Marks the variable as anonymous.

Uses of VarNode in com.bigdata.rdf.sparql.ast

Methods in com.bigdata.rdf.sparql.ast that return VarNode

Modifier and Type	Method and Description
static VarNode[]	ASTUtil.convert(IVariable[] a) Convert an IVariable[] into a VarNode[].
VarNode	ArbitraryLengthPathNode.edgeVar() Return the (optional) edge var.
static VarNode	VarNode.freshVarNode()
VarNode	StatementPatternNode.getDistinctTermScanVar() Return the variable that will be bound by the DistinctTermAdvancer pattern.
VarNode	StatementPatternNode.getFastRangeCountVar() Return the VarNode associated with the optional StatementPatternNode.Annotations.FAST_RANGE_COUNT_VAR property.
VarNode[]	NamedSubqueryInclude.getJoinVars() The join variables to be used when the named result set is included into the query.
VarNode[]	NamedSubqueryRoot.getJoinVars() The join variables to be used when the named result set is included into the query.
VarNode	AssignmentNode.getVarNode() The variable onto which the assignment is bound (as a VarNode).
VarNode	StatementPatternNode.sid() The statement identifier variable for triples which match this statement pattern (optional).
VarNode	ArbitraryLengthPathNode.tVarLeft() Return the left transitivity var.
VarNode	ArbitraryLengthPathNode.tVarRight() Return the right transitivity var.
VarNode	RangeNode.var()

Methods in com.bigdata.rdf.sparql.ast that return types with arguments of type VarNode

Modifier and Type	Method and Description
protected static Set<VarNode>	AbstractASTEvaluationTestCase.asSet(VarNode[] a)
Set<VarNode>	ArbitraryLengthPathNode.dropVars() Get the vars that should be dropped after each round.

Methods in com.bigdata.rdf.sparql.ast with parameters of type VarNode

Modifier and Type	Method and Description
void	ArbitraryLengthPathNode.addDropVar(VarNode dropVar) Add a var that should be dropped after each round.
void	GroupByNode.addGroupByVar(VarNode var)
void	ProjectionNode.addProjectionVar(VarNode var) Adds a variable to be projected.
protected static Set<VarNode>	AbstractASTEvaluationTestCase.asSet(VarNode[] a)
static IVariable[]	ASTUtil.convert(VarNode[] a) Convert an VarNode[] into an IVariable[].
void	StatementPatternNode.setDistinctTermScanVar(VarNode var)
void	ArbitraryLengthPathNode.setEdgeVar(VarNode edgeVar, TermNode middle) Set the edge var and middle term.
void	StatementPatternNode.setFastRangeCount(VarNode var)
void	NamedSubqueryInclude.setJoinVars(VarNode[] joinVars) Set the join variables.
void	NamedSubqueryRoot.setJoinVars(VarNode[] joinVars) Set the join variables.
void	StatementPatternNode.setSid(VarNode sid) Set the SID variable.

Method parameters in com.bigdata.rdf.sparql.ast with type arguments of type VarNode

Modifier and Type	Method and Description
void	ArbitraryLengthPathNode.setDropVars(Set<VarNode> dropVars) Set the vars that should be dropped after each round.

Constructors in com.bigdata.rdf.sparql.ast with parameters of type VarNode

Constructor and Description
ArbitraryLengthPathNode(TermNode left, TermNode right, VarNode tVarLeft, VarNode tVarRight, long lowerBound, long upperBound) Fully construct an arbitrary length path node with all required annotations.
ArbitraryLengthPathNode(TermNode left, TermNode right, VarNode tVarLeft, VarNode tVarRight, PathNode.PathMod mod) Fully construct an arbitrary length path node with all required annotations.
AssignmentNode(VarNode var, IValueExpressionNode ve)
ExistsNode(VarNode anonvar, GraphPatternGroup<IGroupMemberNode> graphPattern)
NotExistsNode(VarNode anonvar, GraphPatternGroup<IGroupMemberNode> graphPattern)
RangeNode(VarNode var) Set the bounds later.
RangeNode(VarNode var, IValueExpressionNode from, IValueExpressionNode to) Set the bounds now.
SubqueryFunctionNodeBase(org.openrdf.model.URI functionURI, VarNode anonvar, GraphPatternGroup<IGroupMemberNode> graphPattern)
VarNode(VarNode op) Constructor required for com.bigdata.bop.BOpUtility#deepCopy(FilterNode).

Uses of VarNode in com.bigdata.rdf.sparql.ast.eval

Methods in com.bigdata.rdf.sparql.ast.eval with parameters of type VarNode

Modifier and Type	Method and Description
PipelineOp	IExternalAST2BOp.fastRangeCountJoin(PipelineOp left, List<NV> anns, Predicate<?> pred, DatasetNode dataset, Long cutoffLimitIsIgnored, VarNode fastRangeCountVar, Properties queryHints, AST2BOpContext ctx) Use a FastRangeCountOp.

Uses of VarNode in com.bigdata.rdf.sparql.ast.optimizers

Methods in com.bigdata.rdf.sparql.ast.optimizers that return VarNode

Modifier and Type	Method and Description
protected VarNode	AbstractOptimizerTestCase.ASTPropertyPathOptimizerInTest.anonVar(String anon)
protected VarNode	ASTPropertyPathOptimizer.anonVar(String anon) Override during testing to give predictable results
protected VarNode	AbstractOptimizerTestCase.Helper.leftVar()
protected VarNode	AbstractOptimizerTestCase.Helper.rightVar()
protected VarNode	AbstractOptimizerTestCase.Helper.varNode(String varName)
protected VarNode[]	AbstractOptimizerTestCase.Helper.varNodes(String... names)
protected VarNode	AbstractOptimizerTestCase.Helper.wildcard()

Methods in com.bigdata.rdf.sparql.ast.optimizers with parameters of type VarNode

Modifier and Type	Method and Description
protected SubqueryRoot	AbstractOptimizerTestCase.Helper.ask(VarNode varNode, JoinGroupNode where) Return an ASK subquery.
protected AssignmentNode	AbstractOptimizerTestCase.Helper.bind(IValueExpressionNode valueNode, VarNode varNode) BIND(expression AS variable)
protected FunctionNode	AbstractOptimizerTestCase.Helper.bound(VarNode varNode)
protected ExistsNode	AbstractOptimizerTestCase.Helper.exists(VarNode v, GraphPatternGroup<IGroupMemberNode> jg)
protected AbstractOptimizerTestCase.ApplyAnnotation	AbstractOptimizerTestCase.Helper.joinOn(VarNode... joinVars)
protected FunctionNode	AbstractOptimizerTestCase.Helper.knownUnbound(VarNode varNode)
protected boolean	ASTFastRangeCountOptimizer.markForFastRangeCount(AST2BOpContext context, StatementPatternNode sp, VarNode fastRangeCountVariable) Marks the triple pattern for fast range count, if supported.
protected NamedSubqueryRoot	AbstractOptimizerTestCase.Helper.namedSubQuery(String name, VarNode varNode, JoinGroupNode where, AbstractOptimizerTestCase.ApplyAnnotation... annotations) Return a named subquery.
protected NotExistsNode	AbstractOptimizerTestCase.Helper.notExists(VarNode v, GraphPatternGroup<IGroupMemberNode> jg)
protected ProjectionNode	AbstractOptimizerTestCase.Helper.projection(VarNode... varNodes) Return a PROJECTION node.
protected QueryRoot	AbstractOptimizerTestCase.Helper.select(VarNode[] varNodes, JoinGroupNode where, com.bigdata.rdf.sparql.ast.optimizers.AbstractOptimizerTestCase.HelperFlag... flags)
protected QueryRoot	AbstractOptimizerTestCase.Helper.select(VarNode[] varNodes, NamedSubqueryRoot namedSubQuery, JoinGroupNode where, com.bigdata.rdf.sparql.ast.optimizers.AbstractOptimizerTestCase.HelperFlag... flags) Create a top-level SELECT query.
protected QueryRoot	AbstractOptimizerTestCase.Helper.select(VarNode varNode, JoinGroupNode where, com.bigdata.rdf.sparql.ast.optimizers.AbstractOptimizerTestCase.HelperFlag... flags)
protected QueryRoot	AbstractOptimizerTestCase.Helper.select(VarNode varNode, NamedSubqueryRoot namedSubQuery, JoinGroupNode where, com.bigdata.rdf.sparql.ast.optimizers.AbstractOptimizerTestCase.HelperFlag... flags)
protected IVariable<? extends IV>	AbstractOptimizerTestCase.Helper.toValueExpression(VarNode v)