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  1. EOF-Using EOF-Delegates and Notifications

    EO Change Notifications Pierre Bernard To invalidate cached versions of derived values, you might want to use this: / Utility class. Provides for a way to watch for changes in EOs. The main use of this would be to be able to safely keep cached/computed/derived values that get cleared once out of sync. @author bernard @
    DocumentationSep 03, 2007
  2. EOF-Using EOF-Schema Changes

    Christian Pekeler James Seigel and I have written an article that might be of interest to this group. We describe a simple method for encoding structural changes to a database as objects. These objects can be used by applications to automatically bring their databases uptodate on startup. We include example source code
    DocumentationSep 18, 2007
  3. EOF-Using EOF-Tips and Tricks

    Creating an EOFetchSpecification for a relationship Using EORelationship.qualifierWithSourceRow(), you can get an EOFetchSpecification for a named relationship. Migrated to Confluence 4.0
    DocumentationJan 22, 2012
  4. EOF-Using EOF-Raw Rows

    Overview Think Twice Before Using Raw Rows Jerry W. Walker Is there a better way to obtain just a single column from the database that is just the values and not the key/value pair? Yes, use a SQL solution. So long as you're thinking in terms of columns in a relational database and their values, you're thinking in the
    DocumentationSep 03, 2007
  5. EOF-Using EOF-Batch Fetching

    Batch Fetching Petite Abeille Here is a little example about how to batch fetch a bunch of EOFaults: First, given an array of faults, how to retrieve meta information without triggering the fault: EOEnterpriseObject aReferenceObject = (EOEnterpriseObject)someFaults.lastObject(); EOAccessFaultHandler aFaultHandler = (EO
    DocumentationSep 03, 2007
  6. EOF-Using EOF-Default Values

    Anjo Krank Project Wonder has default values based on your model for about three years now. Migrated to Confluence 4.0
    DocumentationJan 31, 2012
  7. EOF-Using EOF-EO Editing Context

    localInstanceOfObject Pierce T. Wetter III I thought I'd expand on that last sentence because localInstanceOfObject seems to confuse multiple people. localInstanceOfObject() actually returns a fault from the new editing context for the passed in object. If you have 2 peer contexts: databaseContext > ec1 > ec2 and you c
    DocumentationSep 03, 2007
  8. EOF-Using EOF-Compound Primary Keys

    Sacha Mallais Generally avoid them. However, when you need them you can usually use the Propagate Primary Key feature to avoid having to do anything fancy. Writing a delegate to generate PKs from the database is not a big deal (see GVCEOFExtensions for an example of an integer PK caching delegate). Migrated to Confluen
    DocumentationSep 26, 2012
  9. EOF-Using EOF-Database Adaptors and Plugins

    PostgreSQL These instructions are especially for those wanting to use PostgreSQL with primary keys of type serial. (Valid as of 5th May 2005 for a Mac OS X development system with WO5.2.3 and PostgreSQL 7 or 8) I don't think this is at all necessary in a new install today (512013) and the link below to hexdreams is not
    DocumentationMay 03, 2013
  10. EOF

    Migrated to Confluence 4.0
    DocumentationSep 12, 2010