net.sf.saffron.oj
Class OJPlannerFactory

java.lang.Object
  |
  +--net.sf.saffron.opt.VolcanoPlannerFactory
        |
        +--net.sf.saffron.oj.OJPlannerFactory

public class OJPlannerFactory

extends VolcanoPlannerFactory

OJPlannerFactory implements VolcanoPlannerFactory by constructing planners initialized to handle all calling conventions, rules, and relational expressions needed to preprocess Saffron extended Java.

Version:

$Id: //open/saffron/src/net/sf/saffron/oj/OJPlannerFactory.java#6 $

Nested Class Summary

static class	OJPlannerFactory.AggregateToJavaRule
static class	OJPlannerFactory.DistinctToExistsRule Rule to translate a JavaDistinctRel into a JavaExistsRel, provided that the select list contains zero columns.
static class	OJPlannerFactory.DistinctToJavaRule
static class	OJPlannerFactory.FilterToJavaRule
static class	OJPlannerFactory.JoinToJavaRule
static class	OJPlannerFactory.OneRowToIteratorRule
static class	OJPlannerFactory.OneRowToJavaRule Converts a OneRowRel to Java calling convention.
static class	OJPlannerFactory.ProjectedFilterToIteratorRule
static class	OJPlannerFactory.ProjectToIteratorRule
static class	OJPlannerFactory.ProjectToJavaRule Converts a ProjectRel to Java calling convention.
static class	OJPlannerFactory.TableAccessToJavaRule Rule to converts a TableAccessRel to Java calling convention.
static class	OJPlannerFactory.UnionToIteratorRule Rule to converts a UnionRel to iterator calling convention.
static class	OJPlannerFactory.UnionToJavaRule Rule to converts a UnionRel to Java calling convention.

Field Summary

Fields inherited from class net.sf.saffron.opt.VolcanoPlannerFactory

Constructor Summary

OJPlannerFactory()

Method Summary

VolcanoPlanner	newPlanner()
static void	registerIterRels(VolcanoPlanner planner)
static void	registerJavaRels(VolcanoPlanner planner) Register all of the Java implementations for the abstract relational operators, along with appropriate conversion rules.

Methods inherited from class net.sf.saffron.opt.VolcanoPlannerFactory

setThreadInstance, threadInstance

Methods inherited from class java.lang.Object

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

Constructor Detail

OJPlannerFactory

public OJPlannerFactory()

Method Detail

newPlanner

public VolcanoPlanner newPlanner()

Specified by:

newPlanner in class VolcanoPlannerFactory

registerJavaRels

public static void registerJavaRels(VolcanoPlanner planner)

Register all of the Java implementations for the abstract relational operators, along with appropriate conversion rules.

Parameters:

planner - the planner in which to register the rules

registerIterRels

public static void registerIterRels(VolcanoPlanner planner)