FileFinderAdaptor Overview This example shows how to build a basic Database Kit adaptor using the IXFileFinder class of the Indexing Kit. For simplicity, the database model built with this adaptor is READ-ONLY and has 3 attributes: Filename, Date, and Type. Since the data is READ-ONLY, it is possible to insert or delete records, but save will not make any changes to the model. Building the Adaptor To build the adaptor, you'll need to do the following: 1) Run make: Either type the following in a terminal shell: % make PRODUCT_ROOT= FileFinderAdaptor.adaptor Or type "PRODUCT_ROOT = FileFinderAdaptor.adaptor" into the Args textfield of Project Builder and select Build. This will create an executable file package named FileFinderAdaptor.adaptor 2) Put the .adaptor file into your ~/Library/Adaptors directory. Testing the Adaptor 1) Start up DBModeler, and select FileFinder Adaptor in your Preferences. Create a New model by selecting New in the menu, with the selection set on Default Model and FileFinderAdaptor. 2) Save your model into your ~/Library/Databases directory. 1. Testing the Adaptor using Interface Builder Now you can test your model in Interface Builder: 1) Drag a DBModule instance into a new nib file. Select the proper model. 2) Place a DBTableView into your application window. 3) Connect FileName, Date, and Type attributes of the model to your TableView. 4) Drag a button into your application window and connect that button to the DBModule instance with fetchAllRecords: as the target of this button. 5) Go into IB test interface mode 6) Do a fetch. 2. Testing the Adaptor using a test program 1) Compile the FFAdaptorTest program. 2) Run it. Select Fetch to show all files in the /NextLibrary/Documentation/NextDev/ReleaseNotes directory. Program Organization Major Class in the Application FileFinderAdaptor A subclass of DBBasicAdaptor. It is responsible for all adaptor operations. Other Pecularities The Makefile.preamble is needed in order to link the Indexing kit . Change History May 1992 David Stutz, original author August 1992 Mai Nguyen, adapted for final 3.0 and IndexingKit
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