JavaFSAdaptor is intended to show people how to make a custom EO
adaptor, not to .. actually be used.
ms
On May 20, 2009, at 2:22 PM, Joe Little wrote:
On Wed, May 20, 2009 at 11:12 AM, Chuck Hill <ch...@global-
village.net> wrote:
On May 20, 2009, at 11:06 AM, Joe Little wrote:
I got the JavaFSAdaptor up and running, created a model,
eogenerated,
and was able to create a file just fine. However, let's look at an
example that fails. I'm trying to set the content, which apparently
can only be a string:
EOClassDescription aClassDescription =
EOClassDescription.classDescriptionForEntityName("FSFile");
EOEditingContext ec = session().defaultEditingContext();
FSFile myFile = (FSFile)
aClassDescription.createInstanceWithEditingContext(ec, null);
myFile.takeValueForKey ("/tmp/mytest", "absolutePath");
ec.insertObject(myFile);
That seems somewhere between scary and dangerous. How about this:
EOEditingContext ec = session().defaultEditingContext();
FSFile myFile = (FSFile)EOUtilities.createAndInsertInstance(ec,
"FSFile");
myFile.takeValueForKey ("/tmp/mytest", "absolutePath");
then on with:
myFile.setContent("Good Test!");
ec.saveChanges();
Does that work any better?
Chuck
Getting somewhere. I had thought content was writable -- and the code
generation would make you think so. Alas, the model does say
read-only, so it would appear that the JavaFSAdaptor in its current
incarnation does not allow any setting of the content itself. Its all
read-only across the board. One can create files or directories, but
there is no way to save data to those files. Yikes.
Now, later when I reference that file from a fresh fetch, I do get
"Good Test!" when viewing the content. However, the file itself is
empty on the filesystem. Perhaps content isn't what I think it is.
Well, FSFile.name() is a method to get the filename for the given
file. Referencing that always returns null. So does FSfile.path().
Something is seriously not going as expected with this adaptor and/
or
I'm missing some basic understanding of what the EO purports to
support.
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--
Chuck Hill Senior Consultant / VP Development
Come to WOWODC'09 in San Fran this June!
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