public interface CacheRegenerator
CacheRegenerator
are used in autowarming to populate a new cache
based on an old cache. regenerateItem
is called for each item that should be inserted into the new cache.
Implementations should have a noarg constructor and be thread safe (a single instance will be used for all cache autowarmings).
Modifier and Type | Method and Description |
---|---|
boolean |
regenerateItem(SolrIndexSearcher newSearcher,
SolrCache newCache,
SolrCache oldCache,
Object oldKey,
Object oldVal)
Regenerate an old cache item and insert it into
newCache |
boolean regenerateItem(SolrIndexSearcher newSearcher, SolrCache newCache, SolrCache oldCache, Object oldKey, Object oldVal) throws IOException
newCache
newSearcher
- the new searcher who's caches are being autowarmednewCache
- where regenerated cache items should be stored. the target of the autowarmingoldCache
- the old cache being used as a source for autowarmingoldKey
- the key of the old cache item to regenerate in the new cacheoldVal
- the old value of the cache itemIOException
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