# Hierarchy For Package org.qi4j.api.service

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.qi4j.api.service.ServiceActivatorAdapter<ServiceType> (implements org.qi4j.api.activation.Activator<ActivateeType>)
    - org.qi4j.api.service.ServiceActivation.ServiceActivator
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.lang.RuntimeException
        - org.qi4j.api.common.InvalidApplicationException
          - org.qi4j.api.service.DuplicateServiceIdentityException
          - org.qi4j.api.composite.NoSuchCompositeException
            - org.qi4j.api.service.NoSuchServiceException
        - org.qi4j.api.service.ServiceImporterException
        - org.qi4j.api.service.ServiceUnavailableException

## Interface Hierarchy

- org.qi4j.api.activation.ActivationEventListenerRegistration
  - org.qi4j.api.service.ServiceReference<T> (also extends org.qi4j.api.type.HasTypes, org.qi4j.api.structure.MetaInfoHolder)
- org.qi4j.api.service.Availability
- org.qi4j.api.composite.Composite
  - org.qi4j.api.service.ServiceComposite (also extends org.qi4j.api.entity.Identity)
- org.qi4j.api.type.HasTypes
  - org.qi4j.api.composite.ModelDescriptor (also extends org.qi4j.api.structure.MetaInfoHolder)
    - org.qi4j.api.composite.CompositeDescriptor
      - org.qi4j.api.service.ServiceDescriptor (also extends org.qi4j.api.service.IdentityDescriptor, org.qi4j.api.composite.StatefulCompositeDescriptor)
    - org.qi4j.api.service.ImportedServiceDescriptor (also extends org.qi4j.api.service.IdentityDescriptor)
  - org.qi4j.api.service.ServiceReference<T> (also extends org.qi4j.api.activation.ActivationEventListenerRegistration, org.qi4j.api.structure.MetaInfoHolder)
- org.qi4j.api.entity.Identity
  - org.qi4j.api.service.ServiceComposite (also extends org.qi4j.api.composite.Composite)
- org.qi4j.api.service.IdentityDescriptor
  - org.qi4j.api.service.ImportedServiceDescriptor (also extends org.qi4j.api.composite.ModelDescriptor)
  - org.qi4j.api.service.ServiceDescriptor (also extends org.qi4j.api.composite.CompositeDescriptor, org.qi4j.api.composite.StatefulCompositeDescriptor)
- org.qi4j.api.structure.MetaInfoHolder
  - org.qi4j.api.composite.ModelDescriptor (also extends org.qi4j.api.type.HasTypes)
    - org.qi4j.api.composite.CompositeDescriptor
      - org.qi4j.api.service.ServiceDescriptor (also extends org.qi4j.api.service.IdentityDescriptor, org.qi4j.api.composite.StatefulCompositeDescriptor)
    - org.qi4j.api.service.ImportedServiceDescriptor (also extends org.qi4j.api.service.IdentityDescriptor)
  - org.qi4j.api.service.ServiceReference<T> (also extends org.qi4j.api.activation.ActivationEventListenerRegistration, org.qi4j.api.type.HasTypes)
- org.qi4j.api.service.ServiceActivation
- org.qi4j.api.service.ServiceFinder
- org.qi4j.api.service.ServiceImporter<T>
- org.qi4j.api.composite.StatefulCompositeDescriptor
  - org.qi4j.api.service.ServiceDescriptor (also extends org.qi4j.api.composite.CompositeDescriptor, org.qi4j.api.service.IdentityDescriptor)