[dna-issues] [JBoss JIRA] Commented: (DNA-341) Graph API behavior when removing all property values doesn't reflect that of JCR

Tue Apr 7 17:23:35 EDT 2009

    [ https://jira.jboss.org/jira/browse/DNA-341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12461100#action_12461100 ] 

Randall Hauch commented on DNA-341:
-----------------------------------

The patch also removes the RemovedPropertiesRequest, since it didn't offer any benefit over UpdatePropertiesRequest (and since it is simpler to only have one).  All connectors were updated to reflect these semantics.

> Graph API behavior when removing all property values doesn't reflect that of JCR
> --------------------------------------------------------------------------------
>
>                 Key: DNA-341
>                 URL: https://jira.jboss.org/jira/browse/DNA-341
>             Project: DNA
>          Issue Type: Bug
>          Components: API, Graph, JCR
>    Affects Versions: 0.3
>            Reporter: Randall Hauch
>            Assignee: Randall Hauch
>            Priority: Critical
>             Fix For: 0.4
>
>         Attachments: DNA-341.patch
>
>
> Section 4.7.3 of the JSR-170 specification (version 1.0.1) states:
>     Every property must have a value. The range of property states does not include having a "null value", or "no value". Setting a 
>     property to "null" is equivalent to removing that property. In the case of multi-value properties, the setting of a particular value 
>     within the array to null results in the removal of that value and the compacting of the array. As a result it is possible to have a multi- 
>     value property with no values (an empty array). See 7.1.5 Adding and Writing Properties. 
> However, currently the Graph API and connector behavior is such that whenever a property is updated (or set) to no values, the property is removed automatically.  This means that it is not possible for the Graph API or connectors to support a multi-valued JCR property with no values.

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