| Interface | Description | 
|---|---|
| InstallationContext | 
 Context for the installation tasks. 
 | 
| InstallTaskFactory | 
 The install task factory creates a task for a given
 resource. 
 | 
| RegisteredResource | 
 A resource that's been registered in the OSGi controller. 
 | 
| ResourceTransformer | 
 A resource transformer transform a registered resource
 before it can be installed. 
 | 
| RetryHandler | 
 The retry handler should be informed by external services
 whenever something in the system changed which might make
 it worth to retry a failed installed. 
 | 
| TaskResource | 
 A task resource is a registered resource which has been
 processed by a  
ResourceTransformer and is now
 about to be processed by an InstallTask. | 
| TaskResourceGroup | 
 This is a group of resources all pointing to the same artifact,
 but maybe in different versions or locations. 
 | 
| Class | Description | 
|---|---|
| ChangeStateTask | 
 Simple general task, setting the state of a registered resource. 
 | 
| InstallTask | 
 Base class for tasks that can be executed by the
  
OsgiInstaller. | 
| TransformationResult | 
 A result of a  
ResourceTransformer. | 
| Enum | Description | 
|---|---|
| ResourceState | 
 The state of a resource. 
 | 
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