org.modeshape.jcr.query.engine

Class IndexQueryEngine.ProviderIndexPlanner

java.lang.Object

org.modeshape.jcr.spi.index.provider.IndexPlanner

org.modeshape.jcr.query.engine.IndexQueryEngine.ProviderIndexPlanner

Enclosing class:

IndexQueryEngine

protected static class IndexQueryEngine.ProviderIndexPlanner
extends IndexPlanner

A IndexPlanner implementation that passes through only those indexes that are owned by the named provider.

Field Summary

Fields

Modifier and Type	Field and Description
protected String	providerName

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ProviderIndexPlanner(String providerName, IndexPlanner providerPlanner)

Method Summary

Modifier and Type	Method and Description
void	applyIndexes(QueryContext context, IndexCostCalculator calculator) Examine the supplied constraints applied to the given selector in a query, and record in the supplied IndexCostCalculator any and all indexes in this provider that can be used in this query.
String	toString()

Methods inherited from class org.modeshape.jcr.spi.index.provider.IndexPlanner

both

Methods inherited from class java.lang.Object

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

Field Detail

providerName

protected final String providerName

Constructor Detail

ProviderIndexPlanner

protected ProviderIndexPlanner(String providerName,
                               IndexPlanner providerPlanner)

Method Detail

applyIndexes

public void applyIndexes(QueryContext context,
                         IndexCostCalculator calculator)

Description copied from class: IndexPlanner

Examine the supplied constraints applied to the given selector in a query, and record in the supplied IndexCostCalculator any and all indexes in this provider that can be used in this query.

Specified by:

applyIndexes in class IndexPlanner

Parameters:

context - the context in which the query is being executed, provided by ModeShape; never null

calculator - the cost calculator that this method can use to find information about the query and to record information about the index(es), if any, that the query engine might use to satisfy the relevant portion of the query; never null

toString

public String toString()

Overrides:

toString in class Object