Package se.liu.ida.hefquin.engine.queryplan.physical

Interface NaryPhysicalOpForLogicalOp

All Superinterfaces:

NaryPhysicalOp, PhysicalOperator, PhysicalOperatorForLogicalOperator

All Known Implementing Classes:

BaseForPhysicalOpMultiwayJoin, BaseForPhysicalOpMultiwayLeftJoin, PhysicalOpMultiwayUnion

public interface NaryPhysicalOpForLogicalOp
extends PhysicalOperatorForLogicalOperator, NaryPhysicalOp

An interface for any type of PhysicalOperator that directly implements a particular logical operator that has an arbitrary arity. That logical operator can be accessed via the getLogicalOperator() function.

Method Summary

Modifier and Type	Method	Description
NaryLogicalOp	getLogicalOperator()	Returns the logical operator implemented by this physical operator.

Methods inherited from interface se.liu.ida.hefquin.engine.queryplan.physical.NaryPhysicalOp

createExecOp

Methods inherited from interface se.liu.ida.hefquin.engine.queryplan.physical.PhysicalOperator

getExpectedVariables, getID, visit

Method Details

getLogicalOperator

NaryLogicalOp getLogicalOperator()

Description copied from interface: PhysicalOperatorForLogicalOperator

Returns the logical operator implemented by this physical operator.

Specified by:

getLogicalOperator in interface PhysicalOperatorForLogicalOperator