PolyMatcher
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Key: LUCY-112
URL: https://issues.apache.org/jira/browse/LUCY-112
Project: Lucy
Issue Type: New Feature
Components: Core - Search
Reporter: Marvin Humphrey
Assignee: Marvin Humphrey
Priority: Blocker
PolyMatcher will serve as the parent class for several crucial subclasses:
ANDScorer, ORMatcher, ORScorer, NOTMatcher, and RequiredOptionalScorer.
Together, PolyMatcher and these classes will play roughly the same role as
Lucene's BooleanScorer2 and its satellite classes, e.g. DisjunctionSumScorer.
PolyMatcher is a simple class; its main role is to serve as a common parent
with a array of "children" Matchers, a Similarity, and an array of cached
coord boosts.
This patch also adds the Coord() method to Similarity.
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