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Why doesn't LCDS Data Model support Views?

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Level 1

I was very disappointed when I found I couldn't add a SQL View  to my Data Model because it isn't an entity.  Views return entities, and a real part of any data model I have ever worked with.  Having to drop out of model driven development to work with views reduces the value of LCDS as it limits applications to simple CRUD ooperations.  Oh well.

7 Replies

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Level 2

If you have views defined in your database, you should be able to import them to your model. Once imported, they will be represented as entities in your model. Is this what you are trying to do?

Thanks,

Anil

Product Manager, LiveCycle Data Services

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Level 1

Yes I can drag and drop the view into the model, but when I try to

deploy the model I throws an error and says it cannot deploy because

the view is not an entity.

I found that mucking with the model source and setting president =

true and changing one of the properties to an id fakes it into

thinking it's a table and gatAll() gives me what I want.

But I shouldn't have to do that IMHO the model should handle views

automatically.

Ollie

Sent from my iPhone

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Level 2

An id (primary key) must be defined in order to create a persistant entity. An entity must be persistant

to work with datamanagement. Similarly a view must use a pk/id in order to work with datamanagement. If

the view has a pk defined, it will work by the drag and drop.

So, put the id in your view or modify the datamodel.

KenS

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Level 2

Mike, I checked with some folks internally and they tell me that this should work as long as views have a primary key. If they do, fiber treats views as entities and the drag and drop feature should just work.

Anil

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Level 1

Thanks, good clear response.

Michael Oliver

CTO, Corent Technology Inc.

<http://www.corenttechnology.com>

Mobile: +63-917-557-0990 *New!

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Level 1

Great thanks,

Michael Oliver

CTO, Corent Technology Inc.

<http://www.corenttechnology.com>

Mobile: +63-917-557-0990 *New!

Office: +1(951) 260-0793

Home: +1(951) 263-6601

Skype: MikeOliverAZ

Choice vs. Force

<http://www.facebook.com/MikeOliverAZ><http://twitter.com/#%21/MikeOliverAZ><http://www.linkedin.com/pub/mike-oliver/0/1b9/197>

See my Cloudbook

profile.<http://cloudbook.net/community/contributors/michael-oliver

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Level 3

When I drag such a view to my model in Flash Builder 4, although it places it on the model but also throws an error whose details from the error log are as follows :--

Message = Problems occurred when invoking code from plug-in: "org.eclipse.jface".

Session Data =

eclipse.buildId=unknown
java.version=1.6.0_16
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Command-line arguments:  -os win32 -ws win32 -arch x86

Exception Stack Trace =

java.lang.IndexOutOfBoundsException: Index: 14, Size: 3
at java.util.ArrayList.add(Unknown Source)
at org.eclipse.gef.editparts.AbstractGraphicalEditPart.primAddSourceConnection(AbstractGraphicalEditPart.java:525)
at org.eclipse.gef.editparts.AbstractGraphicalEditPart.addSourceConnection(AbstractGraphicalEditPart.java:246)
at com.adobe.model.design.editor.parts.EclipsePropertyAwarePart.handleOutputChange(EclipsePropertyAwarePart.java:206)
at com.adobe.model.design.editor.parts.EclipsePropertyAwarePart.propertyChange(EclipsePropertyAwarePart.java:86)
at com.adobe.model.design.editor.parts.FiberEntityPart.propertyChange(FiberEntityPart.java:587)
at java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)
at java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)
at com.adobe.model.design.editor.model.EclipsePropertyAwareObject.firePropertyChange(EclipsePropertyAwareObject.java:93)
at com.adobe.model.design.editor.model.FiberEntity.addChildRelationship(FiberEntity.java:175)
at com.adobe.model.design.editor.model.FiberEntity.addChildRelationship(FiberEntity.java:161)
at com.adobe.model.design.editor.parts.FiberModelPart.updateRelationships(FiberModelPart.java:581)
at com.adobe.model.design.editor.parts.FiberModelPart.updateRelationships(FiberModelPart.java:439)
at com.adobe.model.design.editor.parts.FiberModelPart.updateRelationships(FiberModelPart.java:308)
at com.adobe.model.design.editor.parts.FiberModelPart.updateRelationships(FiberModelPart.java:275)
at com.adobe.model.design.editor.parts.FiberModelPart.propertyChange(FiberModelPart.java:173)
at java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)
at java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)
at com.adobe.model.design.editor.model.EclipsePropertyAwareObject.firePropertyChange(EclipsePropertyAwareObject.java:93)
at com.adobe.model.design.editor.model.FiberModel.addEntity(FiberModel.java:143)
at com.adobe.model.design.editor.model.FiberModel.addEntity(FiberModel.java:102)
at com.adobe.model.design.editor.commands.EntityCreateCommand.redo(EntityCreateCommand.java:121)
at com.adobe.model.design.editor.commands.EntityCreateCommand.execute(EntityCreateCommand.java:113)
at com.adobe.model.design.editor.commands.FiberCommandStack.execute(FiberCommandStack.java:298)
at org.eclipse.gef.dnd.AbstractTransferDropTargetListener.handleDrop(AbstractTransferDropTargetListener.java:314)
at org.eclipse.gef.dnd.TemplateTransferDropTargetListener.handleDrop(TemplateTransferDropTargetListener.java:101)
at com.adobe.model.design.editor.FiberDesignEditor$2.handleDrop(FiberDesignEditor.java:335)
at org.eclipse.gef.dnd.AbstractTransferDropTargetListener.drop(AbstractTransferDropTargetListener.java:171)
at org.eclipse.jface.util.DelegatingDropAdapter$3.run(DelegatingDropAdapter.java:211)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.runtime.Platform.run(Platform.java:888)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
at org.eclipse.jface.util.DelegatingDropAdapter.drop(DelegatingDropAdapter.java:209)
at org.eclipse.swt.dnd.DNDListener.handleEvent(DNDListener.java:90)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1027)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1012)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:770)
at org.eclipse.swt.dnd.DropTarget.Drop(DropTarget.java:456)
at org.eclipse.swt.dnd.DropTarget$3.method6(DropTarget.java:258)
at org.eclipse.swt.internal.ole.win32.COMObject.callback6(COMObject.java:119)
at org.eclipse.swt.internal.ole.win32.COM.DoDragDrop(Native Method)
at org.eclipse.swt.dnd.DragSource.drag(DragSource.java:363)
at org.eclipse.swt.dnd.DragSource.access$0(DragSource.java:289)
at org.eclipse.swt.dnd.DragSource$1.handleEvent(DragSource.java:172)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3880)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3473)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at com.adobe.flexbuilder.standalone.FlexBuilderApplication.start(FlexBuilderApplication.java:109)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:368)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
at org.eclipse.equinox.launcher.Main.run(Main.java:1311)