Annotations
The Annotation class supports the full range of functionality that is associated with the Content Platform Engine content model. For example, you can subclass the default Annotation class to specify particular storage options and add properties.
You can modify and delete annotations independently of their annotated object. However, you cannot create versions of an annotation separately from the object with which it is associated. By design, the annotation is deleted whenever its associated parent object is deleted. Annotations receive their default security from both the annotation class and the parent object. You can apply security to annotations that is different from the security applied to the parent.
Applications that use annotations typically add properties for the particular kind of annotation being implemented. For example, a property might be added that indicates the presence and location of the annotation. A voice annotation might need a BLOb property to contain the WAV file or other type of sound file.
IBM® FileNet® Content Federation Services for Image Services annotations
You can annotate and view graphic files by using the Image Viewer applet in your client application. Although you can annotate graphic files by using the administration console, the annotations do not appear in the Image Viewer unless they are expressed with the XML schema that is used by Image Viewer. Annotations that you add with Image Viewer can be viewed in the administration console, but they are displayed in the Image Viewer XML format.