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

Interface PhysicalPlanWithBinaryRoot

All Superinterfaces:

PhysicalPlan

All Known Implementing Classes:

PhysicalPlanWithBinaryRootImpl

public interface PhysicalPlanWithBinaryRoot
extends PhysicalPlan

Method Summary

Modifier and Type	Method	Description
BinaryPhysicalOp	getRootOperator()	Returns the root operator of this plan.
PhysicalPlan	getSubPlan1()	Convenience method that always should return the same as what is returned by calling PhysicalPlan.getSubPlan(int) with a value of 0.
PhysicalPlan	getSubPlan2()	Convenience method that always should return the same as what is returned by calling PhysicalPlan.getSubPlan(int) with a value of 1.

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

getExpectedVariables, getSubPlan, numberOfSubPlans

Method Details

getRootOperator

BinaryPhysicalOp getRootOperator()

Description copied from interface: PhysicalPlan

Returns the root operator of this plan.

Specified by:

getRootOperator in interface PhysicalPlan

getSubPlan1

PhysicalPlan getSubPlan1()

Convenience method that always should return the same as what is returned by calling PhysicalPlan.getSubPlan(int) with a value of 0.

getSubPlan2

PhysicalPlan getSubPlan2()

Convenience method that always should return the same as what is returned by calling PhysicalPlan.getSubPlan(int) with a value of 1.