# Package org.apache.felix.ipojo.handlers.dependency

Class Summary
Dependency: Represent a service dependency of the component instance.
DependencyCallback: This class allwos the creation of callback when service dependency arrives or disappear.
DependencyConfigurationChecker: Utility class checking the configuration of a dependency.
DependencyDescription: Service Dependency Description.
DependencyHandler: The dependency handler manages a list of service dependencies.
DependencyHandlerDescription: Dependency Handler Description.
NullableObject: Default nullable object.
ProxyGenerator: Generates proxy class delegating operation invocations thanks to a a dependency.
ServiceList: Maintains a list of service object.
ServiceSet: Maintains a service object collection.
ServiceUsage: Object managing thread local copy of required services.
ServiceUsage.Usage: Structure contained in the Thread Local.

Enum Summary
AggregateDependencyInjectionType: An enumeration listing the different possibility to inject an aggregate dependency in a field or constructor parameter.