QueryRef (Eclipse RDF4J 4.2.4)

All Known Subinterfaces:

ExclusiveTupleExpr, ExclusiveTupleExprRenderer, FedXTupleExpr, StatementTupleExpr

All Known Implementing Classes:

CheckStatementPattern, EmptyNJoin, EmptyNUnion, ExclusiveArbitraryLengthPath, ExclusiveGroup, ExclusiveStatement, FederatedDescribeOperator, FedXStatementPattern, NJoin, NTuple, NUnion, PassThroughTupleExpr, SingleSourceQuery, StatementSourcePattern
```
public interface QueryRef
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Interface to access the QueryInfo from all FedX Algebra nodes. All FedX Algebra nodes should implement this interface.

Author:

Andreas Schwarte

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  QueryInfo getQueryInfo()
  Retrieve the attached query information of the tuple expression

- Method Detail
  - getQueryInfo
```
QueryInfo getQueryInfo()
```
    Retrieve the attached query information of the tuple expression
    
    Returns:
    
    the QueryInfo