Package se.liu.ida.hefquin.engine.queryplan.logical

Class LogicalPlanWalker

java.lang.Object

se.liu.ida.hefquin.engine.queryplan.logical.LogicalPlanWalker

public class LogicalPlanWalker
extends Object

Applies a LogicalPlanVisitor to a given LogicalPlan recursively in a depth-first order.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	LogicalPlanWalker.LogicalWalkerVisitor

Constructor Summary

Constructors

Constructor	Description
LogicalPlanWalker()

Method Summary

Modifier and Type	Method	Description
static void	walk(LogicalPlan plan, LogicalPlanVisitor beforeVisitor, LogicalPlanVisitor afterVisitor)

Methods inherited from class java.lang.Object

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

Constructor Details

LogicalPlanWalker

public LogicalPlanWalker()

Method Details

walk

public static void walk(LogicalPlan plan,
 LogicalPlanVisitor beforeVisitor,
 LogicalPlanVisitor afterVisitor)