org.apache.derby.impl.sql.compile

Class Level2CostEstimateImpl

java.lang.Object

org.apache.derby.impl.sql.compile.CostEstimateImpl

org.apache.derby.impl.sql.compile.Level2CostEstimateImpl

All Implemented Interfaces:

CostEstimate, StoreCostResult

public class Level2CostEstimateImpl
extends CostEstimateImpl

Field Summary

Fields inherited from class org.apache.derby.impl.sql.compile.CostEstimateImpl

cost, rowCount, singleScanRowCount

Constructor Summary

Constructors

Constructor and Description
Level2CostEstimateImpl()
Level2CostEstimateImpl(double theCost, double theRowCount, double theSingleScanRowCount)

Method Summary

Modifier and Type	Method and Description
CostEstimate	cloneMe() Get a copy of this CostEstimate
CostEstimateImpl	setState(double theCost, double theRowCount, CostEstimateImpl retval)
java.lang.String	toString()

Methods inherited from class org.apache.derby.impl.sql.compile.CostEstimateImpl

add, compare, divide, getEstimatedCost, getEstimatedRowCount, isUninitialized, multiply, rowCount, setCost, setCost, setEstimatedCost, setEstimatedRowCount, setSingleScanRowCount, singleScanRowCount

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Level2CostEstimateImpl

public Level2CostEstimateImpl()

Level2CostEstimateImpl

public Level2CostEstimateImpl(double theCost,
                              double theRowCount,
                              double theSingleScanRowCount)

Method Detail

cloneMe

public CostEstimate cloneMe()

Description copied from interface: CostEstimate

Get a copy of this CostEstimate

Specified by:

cloneMe in interface CostEstimate

Overrides:

cloneMe in class CostEstimateImpl

See Also:

CostEstimate.cloneMe()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

setState

public CostEstimateImpl setState(double theCost,
                                 double theRowCount,
                                 CostEstimateImpl retval)

Overrides:

setState in class CostEstimateImpl