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The index service is a partitioned service that knows which document contains which keywords.
It is the service that most directly executes a search query. It does this by evaluating a low-level query, and then using the index to find the documents that match the query, finally ranking the results and picking the best matches.
Central Classes
- IndexService is the REST entry point that the internal API talks to.
- IndexQueryService executes queries.
- SearchIndex owns the state of the index and helps with building a query strategy from parameters.
- IndexResultValuator determines the best results.
See Also
The index service relies heavily on the primitives in features-index: