# Hierarchy For Package org.qi4j.api.unitofwork.concern

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.qi4j.api.concern.ConcernOf<T>
    - org.qi4j.api.concern.GenericConcern (implements java.lang.reflect.InvocationHandler)
      - org.qi4j.api.unitofwork.concern.UnitOfWorkConcern

## Annotation Type Hierarchy

- org.qi4j.api.unitofwork.concern.UnitOfWorkRetry (implements java.lang.annotation.Annotation)
- org.qi4j.api.unitofwork.concern.UnitOfWorkPropagation (implements java.lang.annotation.Annotation)
- org.qi4j.api.unitofwork.concern.UnitOfWorkDiscardOn (implements java.lang.annotation.Annotation)

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.qi4j.api.unitofwork.concern.UnitOfWorkPropagation.Propagation