Package gate.creole.annic.apache.lucene.search

Search over indices.

See:
Description

Interface Summary

FieldCache	Expert: Maintains caches of term values.
ScoreDocComparator	Expert: Compares two ScoreDoc objects for sorting.
Searchable	The interface for search implementations.
SortComparatorSource	Expert: returns a comparator for sorting ScoreDocs.
Weight	Expert: Calculate query weights and build query scorers.

Class Summary

BooleanClause	A clause in a BooleanQuery.
BooleanQuery	A Query that matches documents matching boolean combinations of other queries, typically TermQuerys or PhraseQuerys.
BooleanScorer
BooleanScorer.Bucket
BooleanScorer.BucketTable	A simple hash table of document scores within a range.
BooleanScorer.Collector
BooleanScorer.SubScorer
ConjunctionScorer	Scorer for conjunctions, sets of queries, all of which are required.
DefaultSimilarity	Expert: Default scoring implementation.
ExactPhraseScorer
Explanation	Expert: Describes the score computation for document and query.
FieldCache.StringIndex	Expert: Stores term text values and document ordering data.
FieldCacheImpl	Expert: The default cache implementation, storing all values in memory.
FieldCacheImpl.Entry	Expert: Every key in the internal cache is of this type.
FieldDoc	Expert: A ScoreDoc which also contains information about how to sort the referenced document.
FieldDocSortedHitQueue	Expert: Collects sorted results from Searchable's and collates them.
FieldSortedHitQueue	Expert: A hit queue for sorting by hits by terms in more than one field.
Filter	Abstract base class providing a mechanism to restrict searches to a subset of an index.
HitCollector	Lower-level search API.
HitDoc
HitQueue
Hits	A ranked list of documents, used to hold search results.
IndexSearcher	Implements search over a single IndexReader.
PhrasePositions
PhraseQuery	A Query that matches documents containing a particular sequence of terms.
PhraseQueue
PhraseScorer
Query	The abstract base class for queries.
ScoreDoc	Expert: Returned by low-level search implementations.
Scorer	Expert: Implements scoring for a class of queries.
Searcher	An abstract base class for search implementations.
Similarity	Expert: Scoring API.
SloppyPhraseScorer
Sort	Encapsulates sort criteria for returned hits.
SortComparator	Abstract base class for sorting hits returned by a Query.
SortField	Stores information about how to sort documents by terms in an individual field.
TermQuery	A Query that matches documents containing a term.
TermScorer
TopDocs	Expert: Returned by low-level search implementations.
TopFieldDocs	Expert: Returned by low-level sorted search implementations.

Exception Summary

BooleanQuery.TooManyClauses

Thrown when an attempt is made to add more than BooleanQuery.getMaxClauseCount() clauses.

Package gate.creole.annic.apache.lucene.search Description

Search over indices. Applications usually call org.apache.lucene.search.Searcher#search(Query) or org.apache.lucene.search.Searcher#search(Query,Filter).