optaplanner-core/src/main/java/org/optaplanner/core/impl/score/director/incremental/IncrementalScoreDirector.java
@Override
    public void beforeEntityAdded(EntityDescriptor<Solution_> entityDescriptor, Object entity) {
        incrementalScoreCalculator.beforeEntityAdded(entity);
        super.beforeEntityAdded(entityDescriptor, entity);
    }
@Override
    public void beforeEntityAdded(EntityDescriptor<Solution_> entityDescriptor, Object entity) {
        incrementalScoreCalculator.beforeEntityAdded(entity);
        super.beforeEntityAdded(entityDescriptor, entity);
    }
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