The Connect method is called after the metadata adapter for the application metadata is instanced (if not working in disconnected mode). This method should do the following:
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The metadata adapter should connect to the metadata data store. To assist in this connection can use the information passed in a previous call to SetToolParameters. If necessary, the metadata adapter may need to display a form to solicit user input in order to connect to the data store.
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After connecting to the data store, the metadata adapter should generate the complete set of map schema objects for the metadata. These objects will be merged later with the map schema objects resulting from parsing the map schema file.