Package org.apache.lucene.sandbox.search

Class QueryProfilerIndexSearcher

java.lang.Object

org.apache.lucene.search.IndexSearcher

org.apache.lucene.sandbox.search.QueryProfilerIndexSearcher

public class QueryProfilerIndexSearcher
extends IndexSearcher

An extension of IndexSearcher that records profile information for all queries it executes.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.search.IndexSearcher

IndexSearcher.LeafSlice, IndexSearcher.TooManyClauses, IndexSearcher.TooManyNestedClauses

Field Summary

Fields inherited from class org.apache.lucene.search.IndexSearcher

leafContexts, readerContext

Constructor Summary

Constructors

Constructor	Description
QueryProfilerIndexSearcher(IndexReader reader)

Method Summary

Modifier and Type	Method	Description
Weight	createWeight(Query query, ScoreMode scoreMode, float boost)
List<QueryProfilerResult>	getProfileResult()
long	getRewriteTime()
Query	rewrite(Query original)

Methods inherited from class org.apache.lucene.search.IndexSearcher

collectionStatistics, count, doc, doc, doc, explain, explain, getDefaultQueryCache, getDefaultQueryCachingPolicy, getDefaultSimilarity, getExecutor, getIndexReader, getLeafContexts, getMaxClauseCount, getQueryCache, getQueryCachingPolicy, getSimilarity, getSlices, getTopReaderContext, search, search, search, search, search, search, searchAfter, searchAfter, searchAfter, setDefaultQueryCache, setDefaultQueryCachingPolicy, setMaxClauseCount, setQueryCache, setQueryCachingPolicy, setSimilarity, slices, slices, termStatistics, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

QueryProfilerIndexSearcher

public QueryProfilerIndexSearcher(IndexReader reader)

Method Details

rewrite

public Query rewrite(Query original)
              throws IOException

Overrides:

rewrite in class IndexSearcher

Throws:

IOException

createWeight

public Weight createWeight(Query query,
 ScoreMode scoreMode,
 float boost)
                    throws IOException

Overrides:

createWeight in class IndexSearcher

Throws:

IOException

getRewriteTime

public long getRewriteTime()

Returns:

total time taken to rewrite all queries in this profile

getProfileResult

public List<QueryProfilerResult> getProfileResult()

Returns:

a hierarchical representation of the profiled tree