Interface PhysicalPlanWithNaryRoot

All Superinterfaces:

PhysicalPlan, QueryPlan

All Known Implementing Classes:

PhysicalPlanWithNaryRootImpl

public interface PhysicalPlanWithNaryRoot
extends PhysicalPlan

Method Summary

Modifier and Type	Method	Description
NaryPhysicalOp	getRootOperator()	Returns the root operator of this plan.
Iterator<PhysicalPlan>	getSubPlans()	Convenience method that always should return an iterator over the same sub-plans that can be accessed via PhysicalPlan.getSubPlan(int).

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

getSubPlan

Methods inherited from interface se.liu.ida.hefquin.engine.queryplan.base.QueryPlan

getExpectedVariables, getID, getQueryPlanningInfo, hasQueryPlanningInfo, isSamePlan, numberOfSubPlans

Method Details

getRootOperator

NaryPhysicalOp getRootOperator()

Description copied from interface: QueryPlan

Returns the root operator of this plan.

Specified by:

getRootOperator in interface PhysicalPlan

Specified by:

getRootOperator in interface QueryPlan

getSubPlans

Iterator<PhysicalPlan> getSubPlans()

Convenience method that always should return an iterator over the same sub-plans that can be accessed via PhysicalPlan.getSubPlan(int).