Persistent Data Storage
There are three schemas of persistence, which you can use to store and retrieve
OCAF data (documents):
Standard persistence schema, compatible with previous OCAF applications
XmlOcaf persistence, allowing the storage of all OCAF data in XML form
BinOcaf persistence, allowing the storage of all OCAF data in binary format form
All schemes are independent of each other, but they guarantee that the standard OCAF attributes stored and retrieved by one schema will be storable and retrievable by the other. Therefore in any OCAF application you can use any persistence schema or even all three of them. The choice is made by the Format string of stored OCAF documents or automatically by the file header data -- on retrieval.
Standard package
Persistent data storage in OCAF using the Standard package is presented in the following chapters:
Basic Data Storage
Likewise, persistence storage of shapes is presented in the following chapters:
Finally, information about opening and saving persistent data is presented in Standard Documents.
LDOM Package for XML
LDOM Package is presented in the following chapters: