Review

Detector:

MuDetect_170413_NumberOfMappingsHeuristic

Target:

project '

lucene

' version

1918

Tags:

Potential Misuse

Anomaly identified by the detector. Please review whether this anomaly corresponds to a misuse.

Finding:	4
In File:	/home/eko/MUBench/MUBench/mubench.pipeline/../checkouts/lucene/1918/original-src/org/apache/lucene/search/spans/SpanWeight.java
In Method:	SpanWeight(SpanQuery, Searcher)
Code with Finding:	`class SpanWeight { public SpanWeight(SpanQuery query, Searcher searcher) throws IOException { this.similarity = query.getSimilarity(searcher); this.query = query; terms=new HashSet(); query.extractTerms(terms); idfExp = similarity.idfExplain(terms, searcher); idf = idfExp.getIdf(); } }`

Metadata

Hit	Rank	Confidence	Confidence String	Pattern Examples	Pattern Support	Pattern Violation	Target Environment Mapping	Violation Types
?	4	0.7166667	((pattern support = 10 / 50)(pattern violations = 1 / 1)(violation support = 1 / 1)(overlap = 1 - (1 / 3))) / 4	lucene/1918/original-src/org/apache/lucene/search/function/CustomScoreQuery.java#extractTerms(Set);lucene/1918/original-src/org/apache/lucene/search/spans/SpanNotQuery.java#extractTerms(Set);lucene/1918/original-src/org/apache/lucene/search/spans/FieldMaskingSpanQuery.java#extractTerms(Set);lucene/1918/original-src/org/apache/lucene/search/BooleanQuery.java#extractTerms(Set);lucene/1918/original-src/org/apache/lucene/search/MultiSearcher.java#createWeight(Query)	10