Package org.apache.solr.util

Class SolrPluginUtils.IdentityRegenerator

java.lang.Object

org.apache.solr.util.SolrPluginUtils.IdentityRegenerator

All Implemented Interfaces:

CacheRegenerator

Enclosing class:

SolrPluginUtils

public static class SolrPluginUtils.IdentityRegenerator
extends Object
implements CacheRegenerator

A CacheRegenerator that can be used whenever the items in the cache are not dependant on the current searcher.

Flat out copies the oldKey=>oldVal pair into the newCache

Constructor Summary

Constructors

Constructor	Description
IdentityRegenerator()

Method Summary

Modifier and Type	Method	Description
boolean	regenerateItem(SolrIndexSearcher newSearcher, SolrCache newCache, SolrCache oldCache, Object oldKey, Object oldVal)	Regenerate an old cache item and insert it into newCache

Methods inherited from class java.lang.Object

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

Constructor Detail

IdentityRegenerator

public IdentityRegenerator()

Method Detail

regenerateItem

public boolean regenerateItem(SolrIndexSearcher newSearcher,
                              SolrCache newCache,
                              SolrCache oldCache,
                              Object oldKey,
                              Object oldVal)
                       throws IOException

Description copied from interface: CacheRegenerator

Regenerate an old cache item and insert it into newCache

Specified by:

regenerateItem in interface CacheRegenerator

Parameters:

newSearcher - the new searcher who's caches are being autowarmed

newCache - where regenerated cache items should be stored. the target of the autowarming

oldCache - the old cache being used as a source for autowarming

oldKey - the key of the old cache item to regenerate in the new cache

oldVal - the old value of the cache item

Returns:

true to continue with autowarming, false to stop

Throws:

IOException