net.ontopia.topicmaps.query.impl.utils

Class QueryOptimizer.HierarchyWalker

java.lang.Object

net.ontopia.topicmaps.query.impl.utils.QueryOptimizer.AbstractQueryOptimizer

net.ontopia.topicmaps.query.impl.utils.QueryOptimizer.HierarchyWalker

All Implemented Interfaces:

QueryOptimizerIF

Enclosing class:

QueryOptimizer

public static class QueryOptimizer.HierarchyWalker
extends QueryOptimizer.AbstractQueryOptimizer

Replaces simple recursive rules with a more efficient custom implementation that just wraps the recursive step.

Constructor Summary

Constructors

Constructor and Description
HierarchyWalker()

Method Summary

Modifier and Type	Method and Description
List	optimize(List clauses, QueryContext context)

Methods inherited from class net.ontopia.topicmaps.query.impl.utils.QueryOptimizer.AbstractQueryOptimizer

optimize, optimize

Methods inherited from class java.lang.Object

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

Constructor Detail

HierarchyWalker

public HierarchyWalker()

Method Detail

optimize

public List optimize(List clauses,
                     QueryContext context)

Specified by:

optimize in interface QueryOptimizerIF

Overrides:

optimize in class QueryOptimizer.AbstractQueryOptimizer