# Hierarchy For Package org.optaplanner.core.impl.score.stream.drools

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.optaplanner.core.impl.score.stream.common.AbstractConstraint<Solution_,​ConstraintFactory> (implements org.optaplanner.core.api.score.stream.Constraint)
    - org.optaplanner.core.impl.score.stream.drools.DroolsConstraint<Solution_>
  - org.optaplanner.core.impl.score.stream.drools.DroolsConstraintSessionFactory<Solution_,​Score_>
  - org.optaplanner.core.impl.score.stream.drools.DroolsConstraintSessionFactory.KieBaseCache<Solution_,​Score_>
  - org.optaplanner.core.impl.score.stream.drools.DroolsConstraintSessionFactory.SessionDescriptor<Score_>
  - org.optaplanner.core.impl.score.stream.InnerConstraintFactory<Solution_> (implements org.optaplanner.core.api.score.stream.ConstraintFactory)
    - org.optaplanner.core.impl.score.stream.drools.DroolsConstraintFactory<Solution_>

## Interface Hierarchy

- org.optaplanner.core.impl.score.stream.drools.DroolsVariableFactory