Package org.apache.solr.search.stats
APIs and Classes implementing the Stats component used for document frequency
calculations.
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Class Summary Class Description CachedSearcherStats CollectionStats Modifiable version ofCollectionStatistics
useful for aggregation of per-shard stats.ExactSharedStatsCache ExactStatsCache This class implements exact caching of statistics.ExactStatsCache.ExactStatsSource LocalStatsCache Default implementation that simply ignores global term statistics, and always uses local term statistics.LocalStatsSource Convenience class that wraps a localSolrIndexSearcher
to provide local statistics.LRUStatsCache UnlikeExactStatsCache
this implementation preserves term stats across queries in a set of LRU caches, and based on surface features of a query it determines the need to send additional RPC-s.StatsCache This class represents a cache of global document frequency information for selected terms.StatsSource The purpose of this class is only to provide two pieces of information necessary to createWeight
from aQuery
, that isTermStatistics
for a term andCollectionStatistics
for the whole collection.StatsUtil Various utilities for de/serialization of term stats and collection stats.TermStats Modifiable version ofTermStatistics
useful for aggregation of per-shard stats.