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Date: Fri, 27 Nov 2015 13:39:41 +0100
From: =?UTF-8?Q?Florian_M=C3=BCller?= <fmui@apache.org>
To: Paul Santa Maria <paul.santamaria@rgbprojects.com>
Cc: dev@chemistry.apache.org
Subject: Re: Unable to access "Choices" in DotCMIS 0.7
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Hi Paul,

I don't know much ab VB. In C# the class definition of 
PropertyStringDefinition looks like this:

public class PropertyStringDefinition : PropertyDefinition, 
IPropertyStringDefinition
{
     public IList<string> DefaultValue { get; set; }
     public IList<IChoice<string>> Choices { get; set; }
     public long? MaxLength { get; set; }
}


I would assume that "Choices" is also accessible in VB. I have no idea 
why you can't see it.


- Florian



> I'm using DotCMIS version0.7 + AtomPub binding.  My server is
> IBM/FileNet P8 5.2.  My client is VB.Net.
> 
> I'm trying to access a ChoiceList I configured in my FileNet/P8 
> repository.
> 
> If I use Java/Chemistry, I can:
> 
>   1. Query the FileNet Document class definition:
> session.getTypeDefinition(docClassName)
> 
>   2. Get the properties, and look for the property with the choice
> list: docClassTypeDef.getPropertyDefinitions()/ropertyDefinition
> propDef = propDefs.get(key);
> 
>   3. Get the choice list from the property: List<?> ch = 
> propDef.getChoices();
> 
> PROBLEM:
> There doesn't seem to be any equivalent to Java/Chemistry "List<?> ch
> = propDef.getChoices();" in my v0.7 DotCMIS library.
> 
> Specifically, I believe there should be a "Choices" property on
> IPropertyDefinition.  I can't find one.
> 
> ADDITiONAL NOTES:
> 1.  As I said above, the Java/Chemistry API seems to work fine.
>      I can log on to my FileNet/P8 repository, query my DocClass, find
> the DocProperty, call .getChoices(), and see the expected values in
> the choice list.
> 
> 2. My DotCMIS/VB.Net client is successfully querying the FileNet/P8
> repository for the DocClass and associated DocProperties: I can see
> the choice list in the AtomPub XML:
> 
>   ATOMPUB XML RETURNED FROM DOTCMIS QUERY:
> <?xml version="1.0" encoding="utf-8" standalone="yes"?>
> <atom:entry xmlns:app="http://www.w3.org/2007/app"
> xmlns:atom="http://www.w3.org/2005/Atom"
> xmlns:cmisra="http://docs.oasis-open.org/ns/cmis/restatom/200908/"
> xmlns:cmis="http://docs.oasis-open.org/ns/cmis/core/200908/"
> xmlns:p8ext="http://www.ibm.com/xmlns/prod/ecm/cmis/p8extensions"
> xmlns:cmism="http://docs.oasis-open.org/ns/cmis/messaging/200908/">
>     <cmisra:type xsi:type="cmis:cmisTypeDocumentDefinitionType"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
>         <cmis:id>RGBClass2</cmis:id>
>         <cmis:localName>RGBClass2</cmis:localName>
>         <cmis:localNamespace xsi:nil="true"/>
>         ...
>         <cmis:propertyStringDefinition>
>             <cmis:id>RGBChoiceList</cmis:id>
>             <cmis:localName>RGBChoiceList</cmis:localName>
>             <cmis:displayName>RGBChoiceList</cmis:displayName>
>             <cmis:queryName>RGBChoiceList</cmis:queryName>
>             <cmis:description>RGBChoiceList</cmis:description>
>             <cmis:propertyType>string</cmis:propertyType>
>             <cmis:cardinality>single</cmis:cardinality>
>             <cmis:updatability>readwrite</cmis:updatability>
>             <cmis:inherited>false</cmis:inherited>
>             <cmis:required>false</cmis:required>
>             <cmis:queryable>true</cmis:queryable>
>             <cmis:orderable>true</cmis:orderable>
>             <cmis:openChoice>false</cmis:openChoice>
>             <p8ext:isHidden>false</p8ext:isHidden>
> 
> <p8ext:ChoiceListSymbolicName>RGBChoice</p8ext:ChoiceListSymbolicName>
>             
> <p8ext:ChoiceListDisplayName>RGBChoice</p8ext:ChoiceListDisplayName>
>             <cmis:choice displayName="Joe">
>                 <cmis:value>Joe</cmis:value>
>             </cmis:choice>
>             <cmis:choice displayName="Dan">
>                 <cmis:value>Dan</cmis:value>
>             </cmis:choice>
>             <cmis:choice displayName="Paul">
>                 <cmis:value>Paul</cmis:value>
>             </cmis:choice>
>         </cmis:propertyStringDefinition>
> 3. The problem is that the VB.Net IPropertyDefinition" object doesn't
> have a "Choices" property:
> 
>   IPROPERTYDEFINITION OBJECT IN MSVS DEBUGGER:
> 
> ?p
> {DotCMIS.Data.Impl.PropertyStringDefinition}
>     DotCMIS.Data.Impl.PropertyStringDefinition:
> {DotCMIS.Data.Impl.PropertyStringDefinition}
>     Cardinality: Single {0}
>     Description: "RGBChoiceList"
>     DisplayName: "RGBChoiceList"
>     Id: "RGBChoiceList"
>     IsInherited: False
>     IsOpenChoice: False
>     IsOrderable: True
>     IsQueryable: True
>     IsRequired: False
>     LocalName: "RGBChoiceList"
>     LocalNamespace: Nothing
>     PropertyType: String {6}
>     QueryName: "RGBChoiceList"
>     Updatability: ReadWrite {1}
>     <= No "Choices" VB object property available...
> 4. The last Jira bug relating to DotCMIS "Choices" was Jira
> https://issues.apache.org/jira/browse/CMIS-380.
>     This was fixed in 17/Oct/11, DotCMIS 0.3.
>     The problem in CMIS-380 was  "IPropertyDefinition.Choices == null".
>     My current problem is that I don't even *see* any
> ""IPropertyDefinition.Choices".
> 
> 5. I have not stepped through the DotCMIS library code yet.
> 
> 6. I have not tested to see if it works in C# yet (my client is VB.Net)
> 
> Please let me know if you have any suggestions for what I can try, or
> what I can do next.
> 
> I'm new to the chemistry.apache.org community