org.apache.solr.search
Class NoOpRegenerator

java.lang.Object
  org.apache.solr.search.NoOpRegenerator

All Implemented Interfaces:

CacheRegenerator

public class NoOpRegenerator
extends Object
implements CacheRegenerator

Cache regenerator that just populates the new cache with the old items.

This is useful for e.g. CachingWrapperFilters that are not invalidated by the creation of a new searcher.

Constructor Summary

NoOpRegenerator()

Method Summary

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

NoOpRegenerator

public NoOpRegenerator()

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