A MapComponentMapping is any mapping that can be used as the key or the value in a mapping that uses a MappedKeyMapContainerPolicy.
MapKeyMapping is implemented by DatabaseMappings that can be used to map the key in a map that uses a MappedKeyMapContainerPolicy.
Purpose: Maps an attribute or some other property to the corresponding database field type.
Define an embedded collection of objects.
Chunks of data from non-relational data sources can have an embedded component objects.
Purpose: Maps an attribute to the corresponding database field type.
Purpose: A transformation mapping is used for a specialized translation between how a value is represented in Java and its representation on the databae.