net.ontopia.topicmaps.query.impl.utils
Class QueryOptimizer.NextPreviousOptimizer

java.lang.Object
  net.ontopia.topicmaps.query.impl.utils.QueryOptimizer.AbstractQueryOptimizer
      net.ontopia.topicmaps.query.impl.utils.QueryOptimizer.NextPreviousOptimizer

All Implemented Interfaces:

QueryOptimizerIF

Enclosing class:

QueryOptimizer

public static class QueryOptimizer.NextPreviousOptimizer
extends QueryOptimizer.AbstractQueryOptimizer

INTERNAL: Optimizes queries that look for the next or the previous value in a sequence from a given start value to not load all values and then do it the hard way, but instead to use a sorted index.

Constructor Summary

QueryOptimizer.NextPreviousOptimizer()

Method Summary

void	optimize(TologQuery query, 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

QueryOptimizer.NextPreviousOptimizer

public QueryOptimizer.NextPreviousOptimizer()

Method Detail

optimize

public void optimize(TologQuery query,
                     QueryContext context)

Specified by:

optimize in interface QueryOptimizerIF

Overrides:

optimize in class QueryOptimizer.AbstractQueryOptimizer