Magma February 2007

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Query with several indexes
by Hilaire Fernandes 19 Feb '07

19 Feb '07

I am not sure about that, is it possible to use where: with a query on several indexes? Hilaire

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complex query
by Hilaire Fernandes 19 Feb '07

19 Feb '07

From a Magma collection I need to fetch some of its elements according to complex query. Attribute of these elements contain another collection from which I need to test for the values to be able to select the elements I want. Really I don't know how I can do that with a where:[] What I would like to do is: myCollection where: [:each| each isRespondingTrueToMyCriteria: someCriteria] But it is not possible with the index The only alternative I found is to enumerate all the collection, which is extremely slow when Magma server and client are on different nodes in the Internet. Any ideas or tips? Hilaire

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How to copy a MagmaCollection from one DB to another one?
by Hilaire Fernandes 14 Feb '07

14 Feb '07

I did the following: oldCollection do: [each: | newCollection add: each veryDeepCopy] then I commit newCollection in a dictionary in a different Magma DB. I did that, I think I got some message (sorry I forget it as it was a couple of days ago, late on the night), but so far the data seem ok. When using DB, there are some persisted collections I want to move from one DB to another, to restart from a fresh empty DB. The orginal collections are hand edited with specific tool and cannot be recomputed. Hilaire

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How is persisted the dependency?
by Hilaire Fernandes 11 Feb '07

11 Feb '07

When persisting an object, what is the situation regarding persistency of the Dependent object. For example, with one model and view object, the view is registered as a dependent of the model, of course we want to persist the model but not the view. What is happening when persisting the model? It seems to the view will be persisted as well although it is not desirable. Is it correct? Hilaire

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Really something strange with MagmaCollection
by Hilaire Fernandes 10 Feb '07

10 Feb '07

I am using last stable Magma version 1.0r39, and the following code produce an empty MagmaCollection MagmaCollection new add: 'toto'; add: 'tata';yourself Hilaire

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Magma Seaside package?
by Thierry Thelliez 09 Feb '07

09 Feb '07

Exploring how Seaside and Magma could work together, I am trying to install Magma in a 3.9 image. According to http://wiki.squeak.org/squeak/5817 the 'Magma seaside' package is needed. I cannot find it... In the SqueakMap browser I see Magma server, client and tester. But no Magma seaside. I did find the MagmaServerLoader through Montecillo. I guess that the following code is a little bit out of date (from the Pier install script): magma := squeaksource project: 'MagmaTester'. magma install: 'MagmaServerLoader'; install: 'Magma server'; install: 'Magma client'; install: 'Magma seaside'; install: 'Magma sunit'. How can I try Seaside+Magma in a 3.9 image? Thank, Thierry

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Re: Magma Seaside package?
by Thierry Thelliez 08 Feb '07

08 Feb '07

Thanks Keith. Loading the versions that you pointed to worked. As a new comer to Squeak, I find SqueakMap vs Montecillo quite confusing. I thought that stable versions were in SqueakMap. Wrong? Thierry >The current streams for Seaside are, 2.6b1 for the "stable" and 2.7a >"cutting edge" >2.6b1 has WADispatcherEditorPlugin as do some recent 2.7a packages. For >some reason the latest 2.7a package has not had it merged in yet. > > Magam seaside-kph.20 (<- the one I ended up loading) > > > This one was submitted to the server in error, and only the project > administrator can remove it. ( Chris? ) > > You need the Magma-seaside one. >

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magma problems after installing KryptOn
by Burella Juan M. 03 Feb '07

03 Feb '07

Hello. I was using Magma (magmaVersion = 8). I want to implement some security in my application so after installing KryptOn-cmm.26 I ran into dependency problems, so as there isn't enough documentation of how to install it (at least isn't enough clear for me), I've installed all the packages from the repository (http://kilana.unibe.ch:8888/KryptOn). I have to ask, which packages and in what order should I install in order to this works properly? I've seen some packages complements (loose methods?) their magma equivalents. Can anybody give a description of the packages inside this repository? And when it's necessary to install? I mean something really simple like "This implements X functionality" "Install this when you want X (fuzzy searching, handling exceptions, etc)." or "This is/could be needed by X" KryptOn KryptOn tester KryptOnLoader KryptOnTesterLoader Ma Armored Code Ma base additions Ma client server Ma exception handling Ma object serialization Ma proxy support Ma Squeak domain Ma special collections Ma time objects Ma traverse object graphs System overrides for ma object serialization The following bug report was generated after executing this expression: MagmaRepositoryController create: 'd:\Sq3.8\magma\newDb\' root: Dictionary new. (before installing KryptOn, it worked fine) [BUG]MessageNotUnderstood(Object)>>doesNotUnderstand: #copyAttributes:from: --------------------------------------------------------------------------- 2 February 2007 1:23:19 pm VM: Win32 - a SmalltalkImage Image: Squeak3.8 [latest update: #6665] SecurityManager state: Restricted: false FileAccess: true SocketAccess: true Working Dir D:\Sq3.8 Trusted Dir D:\Sq3.8\jperez Untrusted Dir C:\My Squeak\jperez MessageNotUnderstood(Object)>>doesNotUnderstand: #copyAttributes:from: Receiver: MessageNotUnderstood Arguments and temporary variables: aMessage: copyAttributes: #('messageText' 'tag' 'message' 'receiver') from: Mes...etc... Receiver's instance variables: messageText: nil tag: nil signalContext: nil handlerContext: nil outerContext: nil message: nil receiver: nil MagmaSession>>signalExceptionLike: Receiver: a MagmaSession Arguments and temporary variables: anException: MessageNotUnderstood: MagmaIdRequest>>processUsing: signalableError: nil Receiver's instance variables: id: nil user: a MagmaUser id : __system serializer: a MaObjectSerializer transaction: a MaTransaction readStrategy: nil definition: a MagmaRepositoryDefinition preferences: a MagmaPreferences anchor: nil transactionLevel: 0 link: a MaLocalServerLink strongReferences: an OrderedCollection() MagmaSession>>submit: Receiver: a MagmaSession Arguments and temporary variables: aMagmaRepositoryRequest: a MagmaIdRequest result: MessageNotUnderstood: MagmaIdRequest>>processUsing: Receiver's instance variables: id: nil user: a MagmaUser id : __system serializer: a MaObjectSerializer transaction: a MaTransaction readStrategy: nil definition: a MagmaRepositoryDefinition preferences: a MagmaPreferences anchor: nil transactionLevel: 0 link: a MaLocalServerLink strongReferences: an OrderedCollection() MagmaSession>>remoteMagmaId Receiver: a MagmaSession Arguments and temporary variables: Receiver's instance variables: id: nil user: a MagmaUser id : __system serializer: a MaObjectSerializer transaction: a MaTransaction readStrategy: nil definition: a MagmaRepositoryDefinition preferences: a MagmaPreferences anchor: nil transactionLevel: 0 link: a MaLocalServerLink strongReferences: an OrderedCollection() --- The full stack --- MessageNotUnderstood(Object)>>doesNotUnderstand: #copyAttributes:from: MagmaSession>>signalExceptionLike: MagmaSession>>submit: MagmaSession>>remoteMagmaId - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - MagmaSession>>validateRemoteId MagmaSession>>primConnect MagmaSession>>connect: MagmaRepositoryController>>connect MagmaRepositoryController>>createRepositoryAt: MagmaRepositoryController class>>create: MagmaRepositoryController class>>create:root: UndefinedObject>>DoIt Compiler>>evaluate:in:to:notifying:ifFail:logged: [] in TextMorphEditor(ParagraphEditor)>>evaluateSelection {[rcvr class evaluatorClass new evaluate: self selectionAsStream in: ctxt...]} BlockContext>>on:do: TextMorphEditor(ParagraphEditor)>>evaluateSelection [] in PluggableTextMorph>>exploreIt {[result := textMorph editor evaluateSelection. ((result isKindOf: FakeClass...]} [] in PluggableTextMorph>>handleEdit: {[result := editBlock value]} TextMorphForEditView(TextMorph)>>handleEdit: PluggableTextMorph>>handleEdit: PluggableTextMorph>>exploreIt Workspace(StringHolder)>>perform:orSendTo: [] in MenuItemMorph>>invokeWithEvent: {[(selArgCount := selector numArgs) = 0 ifTrue: [target perform: selector] ...]} BlockContext>>ensure: CursorWithMask(Cursor)>>showWhile: MenuItemMorph>>invokeWithEvent: MenuItemMorph>>mouseUp: MenuItemMorph>>handleMouseUp: MouseButtonEvent>>sentTo: MenuItemMorph(Morph)>>handleEvent: MorphicEventDispatcher>>dispatchDefault:with: MorphicEventDispatcher>>dispatchEvent:with: MenuItemMorph(Morph)>>processEvent:using: MorphicEventDispatcher>>dispatchDefault:with: MorphicEventDispatcher>>dispatchEvent:with: MenuMorph(Morph)>>processEvent:using: MenuMorph(Morph)>>processEvent: MenuMorph>>handleFocusEvent: [] in HandMorph>>sendFocusEvent:to:clear: {[ActiveHand := self. ActiveEvent := anEvent. result := focusHolder han...]} [] in PasteUpMorph>>becomeActiveDuring: {[aBlock value]} BlockContext>>on:do: PasteUpMorph>>becomeActiveDuring: HandMorph>>sendFocusEvent:to:clear: ...etc... Thanks in advance. Juan M.

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Magma February 2007