vishnu.model.algebra.optimizer.costs
Class NoIndexSortedDataSelectionCostEstimator

java.lang.Object
  vishnu.model.algebra.optimizer.costs.AbstractCostEstimator
      vishnu.model.algebra.optimizer.costs.NoIndexSortedDataSelectionCostEstimator

All Implemented Interfaces:

CostEstimator

public class NoIndexSortedDataSelectionCostEstimator
extends AbstractCostEstimator

Constructor Summary

NoIndexSortedDataSelectionCostEstimator()

Method Summary

int	equalCopyCost()
int	inputCost()
int	outputCost()

Methods inherited from class vishnu.model.algebra.optimizer.costs.AbstractCostEstimator

cost, getDatabase, getRelation, image, innerImage, innerPages, log2, max, setDatabase, setRelation

Methods inherited from class java.lang.Object

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

Constructor Detail

NoIndexSortedDataSelectionCostEstimator

public NoIndexSortedDataSelectionCostEstimator()

Method Detail

inputCost

public int inputCost()

Specified by:

inputCost in class AbstractCostEstimator

equalCopyCost

public int equalCopyCost()

outputCost

public int outputCost()

Specified by:

outputCost in class AbstractCostEstimator