Package se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.rewriting

Class PlanRewritingUtils

java.lang.Object

se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.rewriting.PlanRewritingUtils

public class PlanRewritingUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected final Map<PhysicalPlan,Set<RuleApplication>>	cache
protected final RuleInstances	ruleIns

Constructor Summary

Constructors

Constructor	Description
PlanRewritingUtils(RuleInstances ruleIns)

Method Summary

Modifier and Type	Method	Description
Set<RuleApplication>	getRuleApplications(PhysicalPlan plan)

Methods inherited from class java.lang.Object

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

Field Details

ruleIns

protected final RuleInstances ruleIns

cache

protected final Map<PhysicalPlan,Set<RuleApplication>> cache

Constructor Details

PlanRewritingUtils

public PlanRewritingUtils(RuleInstances ruleIns)

Method Details

getRuleApplications

public Set<RuleApplication> getRuleApplications(PhysicalPlan plan)