How To Fix BSP_WD_TOOLS356 - Voulez-vous vraiment transformer ce noeud contextuel en noeud mixte ?

SAP Error Message - Details

• Message type: E = Error

• Message class: BSP_WD_TOOLS - Messages for BSP WD Tools

• Message number: 356

• Message text: Voulez-vous vraiment transformer ce noeud contextuel en noeud mixte ?

Types of Context Nodes
Model Node
A model node is a context node that is linked to a model object from the
Generic Interaction Layer (GenIL). All of the model node's attributes
are linked to the attribute nodes of the GenIL object.
Value Node
A value node is a context node that contains only values that are not
linked to a model object. Its attributes, which are all value
attributes, are not linked to a model object either. The GenIL does not
handle value nodes or their attributes like business objects in the
business object layer (BOL). The lifecycle of value nodes must be
handled by the application itself.
Mixed Node
A mixed node is a model node with both value attributes and model
attributes.
Converting a Context Node to a Mixed Node
To convert the selected node to a mixed node, select the CONFIRM button.
The node will be converted to a mixed node with new value type
attributes and the init() method will be redefined. To use the new value
type attributes added to the context node, you need to enhance your
applications. A mixed node will feature your value attributes, and
support the lifecycle management of the GenIL.
cl_bsp_wd_collection_wrapper
The collection wrapper is responsible for binding data to the context
node. It supports the iteration of business objects in a set or
collection.
cl_bsp_wd_2collection_wrapper
This enhanced collection wrapper assigns the value attributes to model
nodes. Using the enhanced collection wrapper you will be able to access
these attributes as if they are attributes of the model itself.
Considerations
If you have an existing application that is not prepared to support the
enhanced context node, the application may encounter errors. Only edit
the init() method if your application can handle an enhanced collection
wrapper type, or if you have prepared the application. To continue using
your application with the existing context node, which does not include
your added-value node, cancel the redefinition. In this case, you will
have to make sure that you upgrade the context node within your own
code, and/or manage your getters and setters to retrieve the data
yourself.

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