# Uses of Package
org.modeshape.jcr.query.engine

- Packages that use org.modeshape.jcr.query.engine
  Package | Description
  --- | ---
  org.modeshape.jcr.query.engine | This package contains several fully-functional query engine implementations.
  org.modeshape.jcr.query.optimize | This package contains the Optimizer interface, a rule-based optimizer implementation, and library of optimization rules.

- Classes in org.modeshape.jcr.query.engine used by org.modeshape.jcr.query.engine
  Class and Description
  IndexPlan
  IndexPlanners
  IndexQueryEngine.Builder
  NoOpQueryIndexWriter
  QuerySources A factory for creating `NodeSequence` instances.
  Results
  ScanningQueryEngine A `QueryEngine` implementation that always scans all nodes in the workspace(s) and filtering out any node that does not satisfy the criteria.
  ScanningQueryEngine.Builder
  ScanningQueryEngine.ResultColumns

- Classes in org.modeshape.jcr.query.engine used by org.modeshape.jcr.query.optimize
  Class and Description
  IndexPlanners

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