Package 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

Constructors

Constructor	Description
NoOpRegenerator()

Method Summary

Modifier and Type	Method	Description
<K, V> boolean	regenerateItem(SolrIndexSearcher newSearcher, SolrCache<K,V> newCache, SolrCache<K,V> oldCache, K oldKey, V 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 Details

NoOpRegenerator

public NoOpRegenerator()

Method Details

regenerateItem

public <K,
V> boolean regenerateItem(SolrIndexSearcher newSearcher,
 SolrCache<K,V> newCache,
 SolrCache<K,V> oldCache,
 K oldKey,
 V 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