Interface LogicalPlanWithBinaryRoot

All Superinterfaces:

LogicalPlan

All Known Implementing Classes:

LogicalPlanWithBinaryRootImpl

public interface LogicalPlanWithBinaryRoot
extends LogicalPlan

Method Summary

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

Methods inherited from interface se.liu.ida.hefquin.engine.queryplan.logical.LogicalPlan

getExpectedVariables, getSubPlan, numberOfSubPlans

Method Details

getRootOperator

BinaryLogicalOp getRootOperator()

Description copied from interface: LogicalPlan

Returns the root operator of this plan.

Specified by:

getRootOperator in interface LogicalPlan

getSubPlan1

LogicalPlan getSubPlan1()

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

getSubPlan2

LogicalPlan getSubPlan2()

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