ocean - Structured archive with multiple domain objects that inherit from common class -

-

i'm writing ocean plugin petrel , need persist custom domain objects, , seems point using structured archive data source. i've created common class hold lot of standard domain object stuff (droid, name, color, image, comments, history, etc), avoid rewriting every domain object create. ocean development guide has simple examples of classes no inheritance, given has version number, foresee potential problem when base class version different version of inherited-class-1 different inherited-class-2, , update in base class.

is possible use structured archive common base class? there special considerations versioning, or else need aware of?

eta: simple class diagram showing relationships , stuff i've tried

public abstract class classa                     |        -----------------------------------        |                                 | public class classb : classa       public classc : classa   public class classd {     private list<classa> _myclassaobjects; }

all classes marked archivable, , in classd, _myclassaobjects marked archived. saves ok, when load, invalidcastexception, tries cast list<classb> list<classa>. casting should work, since classb inherits classa, should not?

got answer schlumberger. possible, doing this:

[archivable] public abstract class abstract cdo {      [archivablecontextinject]     protected structuredarchivedatasource datasourcecore;      [archived(name = "name")]     private string _name;      private abstractcdo _parent;      [archived(name="parentdroid")]     private droid _parentdroid;      [archived(name = "droid")]     protected droid droidcore     {         { return _droid; }         set         {             if (_droid != value)             {                 datasourcecore.isdirty = true;                 _droid = value;             }         }     }      public droid parentdroid     {         { return _parentdroid; }         set         {             if (_parentdroid != value)             {                 datasourcecore.isdirty = true;                 _parentdroid = value;             }         }     }      public abstractcdo parent     {         { return _parent; }         set         {             if (_parent != value)             {                 datasourcecore.isdirty = true;                 _parent = value;                 _parentdroid = _parent.droid;             }         }     }      protected abstractcdo(string name)     {         _name = name;         datasourcecore = factory.get();         _droid = datasourcecore.generatedroid();         datasourcecore.additem(_droid, this);     }  }  [archivable] public abstract class abstractcdocollection : abstractcdo, iobservableelementlist {      [archived]     private list<abstractcdo> _children;      protected abstractcdo(string name) : base(name) { }      public list<abstractcdo> children     {         { return _children; }     }  }  [archivable] public class concreteobject : abstractcdo {      public concreteobject(string name) : base(name)     {         // other stuff     }  }

the datasource property needs protected since injection had bug fixed in petrel 2013.3 / 2014.1.


Comments

Post a Comment

Popular posts from this blog

windows - Single EXE to Install Python Standalone Executable for Easy Distribution -

-
i used pyinstaller create standalone exe file pyqt project. did not use single file option because exe created single file option takes long open. therefore, pyinstaller created dist folder contains bunch of files including program.exe file. create setup.exe file place contents of dist folder in program directory , create shortcut in start menu , on desktop. want super simple user. maybe setup.exe files when download program cnet. found inno-setup, looks promising. however, not know if there special considerations because program standalone program create python/pyqt program. thanks! have experience task? there program using task not know about? inno-setup or nsis easiest use. tell them files include , put them , create nice installer you. wrote short tutorial on experiences using innosetup might find helpful: http://www.blog.pythonlibrary.org/2008/08/27/packaging-wxpymail-for-distribution/ note tutorial based around wxpython app wrote, concepts same.
Read more

c# - Access objects in UserControl from MainWindow in WPF -

-
i have simple xaml, how can change text property of textblock in usercontrol1 mainwindow ? <window x:class="refactorxaml.mainwindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:refactorxaml="clr-namespace:refactorxaml" title="mainwindow" height="350" width="525"> <grid> <grid.rowdefinitions> <rowdefinition height="100"></rowdefinition> <rowdefinition height="100"></rowdefinition> </grid.rowdefinitions> <grid> <refactorxaml:usercontrol1></refactorxaml:usercontrol1> </grid> <grid grid.row="1"> <button>change text</button> </grid> </grid> </window> <usercon...
Read more

javascript - How to name a jQuery function to make a browser's back button work? -

-
i'm trying write function ajaxyfy web site, works perfect, except function button. that's have now: function loading() { if (typeof history.pushstate !== "undefined") { var historycount = 0; $('.menu-item, .logo').on('click','a',function(e){ e.preventdefault(); $(this).data('clicked', true); if ($(this).is('.logo a')) { var homepage = $(this).attr('href'); function1(homepage); history.pushstate(null, null, homepage); } else if ($(this).is('.projects a')) { var projects = $(this).attr('href'); function2(projects); history.pushstate(null, null, projects); } else { var pages = $(this).attr('href'); function3(pages); history.pushstate(null, null, pages); ...
Read more