Create a Generic Composite Field.

http://wiki.magnolia-cms.com/display/DEV/Composite+Field

This field is an composition of generic fields construct based on a definition.

CompositeFieldDefinition define

• list of fields (ConfiguredFieldDefinition)
• SaveHandlerDefinition (Used to define the storing strategy of the fields values)

CompositeFieldFactory create

• a CompositeField
• a specific Property based on specified Handler

CompositeField create

• All the configured Fields
• Handle field value changes

MultiHandler

• Property handler exposing to the field a List of properties.
• Specific implementation have the responsibility to retrieve and store these values (as property of a sub node/ as multi property values....)