org.apache.tajo.plan.rewrite

Class BaseLogicalPlanRewriteRuleProvider

java.lang.Object

org.apache.tajo.plan.rewrite.LogicalPlanRewriteRuleProvider

org.apache.tajo.plan.rewrite.BaseLogicalPlanRewriteRuleProvider

Direct Known Subclasses:

LogicalPlanTestRuleProvider

public class BaseLogicalPlanRewriteRuleProvider
extends LogicalPlanRewriteRuleProvider

Default RewriteRuleProvider

Field Summary

Fields inherited from class org.apache.tajo.plan.rewrite.LogicalPlanRewriteRuleProvider

systemConf

Constructor Summary

Constructors

Constructor and Description
BaseLogicalPlanRewriteRuleProvider(TajoConf conf)

Method Summary

Methods

Modifier and Type	Method and Description
Collection<Class<? extends LogicalPlanRewriteRule>>	getPostRules() It returns RewriteRule classes which should be executed after join ordering.
Collection<Class<? extends LogicalPlanRewriteRule>>	getPreRules() It returns RewriteRule classes which should be executed before join ordering.

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseLogicalPlanRewriteRuleProvider

public BaseLogicalPlanRewriteRuleProvider(TajoConf conf)

Method Detail

getPreRules

public Collection<Class<? extends LogicalPlanRewriteRule>> getPreRules()

Description copied from class: LogicalPlanRewriteRuleProvider

It returns RewriteRule classes which should be executed before join ordering.

Specified by:

getPreRules in class LogicalPlanRewriteRuleProvider

Returns:

RewriteRule classes

getPostRules

public Collection<Class<? extends LogicalPlanRewriteRule>> getPostRules()

Description copied from class: LogicalPlanRewriteRuleProvider

It returns RewriteRule classes which should be executed after join ordering.

Specified by:

getPostRules in class LogicalPlanRewriteRuleProvider

Returns:

RewriteRule classes