vishnu.model.algebra.optimizer.costs
Class CostBasedAlgorithmPicker

java.lang.Object
  vishnu.model.algebra.optimizer.costs.CostBasedAlgorithmPicker

All Implemented Interfaces:

AlgorithmSelectionStage.AlgorithmPicker

public class CostBasedAlgorithmPicker
extends java.lang.Object
implements AlgorithmSelectionStage.AlgorithmPicker

Constructor Summary

protected

CostBasedAlgorithmPicker()

Method Summary

static CostBasedAlgorithmPicker	getInstance()
void	register(java.lang.Class<Algorithm> a, CostEstimator e)
Algorithm	selectedAlgorithm(java.util.Collection<Algorithm> c, Relation r)

Methods inherited from class java.lang.Object

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

Constructor Detail

CostBasedAlgorithmPicker

protected CostBasedAlgorithmPicker()

Method Detail

register

public void register(java.lang.Class<Algorithm> a,
                     CostEstimator e)

selectedAlgorithm

public Algorithm selectedAlgorithm(java.util.Collection<Algorithm> c,
                                   Relation r)

Specified by:

selectedAlgorithm in interface AlgorithmSelectionStage.AlgorithmPicker

getInstance

public static CostBasedAlgorithmPicker getInstance()