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Randall Hauch commented on DNA-376:
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Great idea.
Add request to change the order of a child node (or nodes) relative
to the other children
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Key: DNA-376
URL:
https://jira.jboss.org/jira/browse/DNA-376
Project: DNA
Issue Type: Feature Request
Components: API, Graph
Affects Versions: 0.3
Reporter: Randall Hauch
Assignee: Randall Hauch
Priority: Blocker
Fix For: 0.6
Attachments: DNA-376.patch
The current DNA Graph model does support ordered children, and while rename can be used
to change the order of same-name-siblings, there currently is no way to change the order
of the child nodes. This is required to fully implement the JCR API.
JCR handles this functionality by provided a method that essentially changes the position
of a single child node. The "Node.orderBefore(String childNameToBeMoved, String
nameOfChildAtPosition)" can be used by calling on the parent node and supplying the
name (with SNS index if needed) of the child to be moved and the name of the child before
which the other child is to be moved.
This same model can be used for the graph request. It also would allow adding in the
future another optional request that would contain multiple reorders, and that could be
implemented in RequestProcessor to break into multiple ReorderChildRequest instances.
The existing (writable) connectors will all be affected, since this will be a new
mandatory request.
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