Re: Problem reading Entity Modeler file in EOModeler

From: Chuck Hill (chil..lobal-village.net)
Date: Wed Dec 02 2009 - 13:06:09 EST

  • Next message: David Avendasora: "Re: Problem reading Entity Modeler file in EOModeler"

    On Dec 2, 2009, at 7:19 AM, Mike Schrag wrote:

    > i have never found digram views of database to be useful ... every
    > time i see a "real" database diagram, it's always a jumbled mess.

    That has been my experience too. If the database is complex enough to
    need a diagram, it is too complex for a diagram.

    > I prefer just navigating the eomodels in entity modeler.

    EOModelDoc can also produce some useful views in HTML where you can
    see more at once.

    Chuck

    >
    > On Dec 2, 2009, at 10:12 AM, Robert Huber..7r wrote:
    >
    >> Hi Anjo
    >>
    >> Thanks for the idea, but I think it's not very realistic for me.
    >> But how do developers live without a diagram view, I am really
    >> wondering.
    >>
    >> Best regards, Robert
    >>
    >> On 02.12.2009, at 15:57, Anjo Krank wrote:
    >>
    >>> You could write a simple EOModel->GraphViz WOApp. Shouldn't be too
    >>> hard and it spares you the layout problem. Make a page where you
    >>> can select the entities in question or whatever.
    >>>
    >>> This one for example looks mostly like an ER diagram:
    >>>
    >>> http://www.graphviz.org/Gallery/directed/datastruct.html
    >>>
    >>> Cheers, Anjo
    >>>
    >>> Am 02.12.2009 um 15:50 schrieb David Avendasora:
    >>>
    >>>> Hmm.
    >>>>
    >>>> You are right. Unfortunately I don't see a diagram view being
    >>>> added to Entity Modeler, unless you write it, or pay someone to.
    >>>> You could always contact Omni and see if there is a way to get at
    >>>> the parsing rules that OmniGraffle uses so you could modify them
    >>>> to do what you want.
    >>>>
    >>>> Dave
    >>>>
    >>>> On Dec 2, 2009, at 9:40 AM, Robert Huber..7r wrote:
    >>>>
    >>>>> Dave
    >>>>>
    >>>>> Thanks for the tip, I don't see the OmniGraffle the right tool
    >>>>> for the job. The diagram is not very readable, as for example
    >>>>> there is no clear separation between the attributes and
    >>>>> realtionship names, the relationship names are not drawn on the
    >>>>> relationship as in EOModeler, and no info about the attribute
    >>>>> itself in the diagram, just the name, in general, it's a
    >>>>> shrinked down display of what EOModeler offers. I mean, it's at
    >>>>> least something, but in my opinion not really a replacement for
    >>>>> the missing diagram view, and of course, completely out of the
    >>>>> Entity Modeler's context.
    >>>>>
    >>>>> Thanks and best regards, Robert
    >>>>>
    >>>>>
    >>>>>
    >>>>> On 02.12.2009, at 15:18, David Avendasora wrote:
    >>>>>
    >>>>>> OmniGraffle (http://www.omnigroup.com/applications/
    >>>>>> omnigraffle/) will do it. Just open the .eomodled file with it
    >>>>>> and it will automatically turn it into a diagram. Sweeeeeeeet.
    >>>>>>
    >>>>>> Dave
    >>>>>>
    >>>>>>
    >>>>>> On Dec 2, 2009, at 9:08 AM, Robert Huber..7r wrote:
    >>>>>>
    >>>>>>> Hi All
    >>>>>>>
    >>>>>>> I am using the Entity Modeler (in Eclipse) for the design of
    >>>>>>> the database part of our projects. As we absolutely need to
    >>>>>>> print out in diagram view the entity model, we keep a Mac with
    >>>>>>> Mac OS X 10.4 and the EOModeler, just to (open and) print the
    >>>>>>> diagram.
    >>>>>>> Now I made in the Entity Modeler 2 subclasses from an entity
    >>>>>>> (with the menu Subclass Entity) and as a consequence, can't
    >>>>>>> open the model in the EOModeler any more. I checked everything
    >>>>>>> to make sure there is no error somewhere and think everything
    >>>>>>> is ok, but I get the error message:
    >>>>>>>
    >>>>>>> Alert
    >>>>>>>
    >>>>>>> An error occurred while opening "/Users/robert/Desktop/
    >>>>>>> Hades.eomodeld".
    >>>>>>>
    >>>>>>> Exception: NSInvalidArgumentException
    >>>>>>> Reason: Unable to read /Users/robert/Desktop/Hades.eomodeld/
    >>>>>>> index.eomodeld
    >>>>>>>
    >>>>>>> I really hope this can be corrected, so we still can open the
    >>>>>>> model in the EOModeler.
    >>>>>>> Can anyone from the WOLips team comment please, when there
    >>>>>>> will be a diagram view in Entity Modeler available? I very
    >>>>>>> very much hope there will be one some time, as we have no idea
    >>>>>>> how to discuss and review the model without a printout on
    >>>>>>> paper (ca. 2 x 3 meter in size for the big models). It's the
    >>>>>>> only view which allows to verify the model (some of them with
    >>>>>>> more than 100 entities) in a team of developers.
    >>>>>>> How are others handling this situation? I would love to know?
    >>>>>>> Of course we would love to abandon the EOModeler, but we can't
    >>>>>>> because of the reason described above.
    >>>>>>>
    >>>>>>> Thansk and best regards, Robert
    >>>>>>>
    >>>>>>>
    >>>>>>>
    >>>>>>>
    >>>>>>> _/ _/ _/ _/ _/ r. huber
    >>>>>>> _/
    >>>>>>> _/ _/ _/ 7r gmbh
    >>>>>>> _/ _/ _/ alpenstrasse 93
    >>>>>>> _/ _// ch-8200 schaffhausen
    >>>>>>> _/ _/
    >>>>>>> _/ _/ tel. +41 52 624 81 15 www.seven-r.ch
    >>>>>>>
    >>>>>>>
    >>>>>>>
    >>>>>>>
    >>>>>>>
    >>>>>>
    >>>>>> David Avendasora
    >>>>>> Senior Software Engineer
    >>>>>> K12, Inc.
    >>>>>>
    >>>>>> *****
    >>>>>> WebObjects Documentation Wiki : http://wiki.objectstyle.org/confluence/display/WO/
    >>>>>> *****
    >>>>>> WebObjects API: http://developer.apple.com/legacy/mac/library/documentation/MacOSXServer/Reference/WO54_Reference/index.html
    >>>>>> *****
    >>>>>>
    >>>>>>
    >>>>>
    >>>>>
    >>>>>
    >>>>> _/ _/ _/ _/ _/ r. huber
    >>>>> _/
    >>>>> _/ _/ _/ 7r gmbh
    >>>>> _/ _/ _/ alpenstrasse 93
    >>>>> _/ _// ch-8200 schaffhausen
    >>>>> _/ _/
    >>>>> _/ _/ tel. +41 52 624 81 15 www.seven-r.ch
    >>>>>
    >>>>>
    >>>>>
    >>>>>
    >>>>>
    >>>>
    >>>> David Avendasora
    >>>> Senior Software Engineer
    >>>> K12, Inc.
    >>>>
    >>>> *****
    >>>> WebObjects Documentation Wiki : http://wiki.objectstyle.org/confluence/display/WO/
    >>>> *****
    >>>> WebObjects API: http://developer.apple.com/legacy/mac/library/documentation/MacOSXServer/Reference/WO54_Reference/index.html
    >>>> *****
    >>>>
    >>>
    >>>
    >>
    >>
    >>
    >> _/ _/ _/ _/ _/ r. huber
    >> _/
    >> _/ _/ _/ 7r gmbh
    >> _/ _/ _/ alpenstrasse 93
    >> _/ _// ch-8200 schaffhausen
    >> _/ _/
    >> _/ _/ tel. +41 52 624 81 15 www.seven-r.ch
    >>
    >>
    >>
    >
    >

    -- 
    Chuck Hill             Senior Consultant / VP Development
    

    Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/practical_webobjects



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