Interface BinaryLogicalOp
- All Superinterfaces:
 LogicalOperator
- All Known Implementing Classes:
 LogicalOpJoin,LogicalOpRightJoin,LogicalOpUnion
An interface for any type of 
LogicalOperator that has
 an arity of two; i.e., it is defined of as a function over two
 multisets of solution mappings.- 
Method Summary
Methods inherited from interface se.liu.ida.hefquin.engine.queryplan.logical.LogicalOperator
getExpectedVariables, getID, visit