[dna-issues] [JBoss JIRA] Created: (DNA-279) Various improvements to the Graph API

[Randall Hauch (JIRA)]

Various improvements to the Graph API
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                 Key: DNA-279
                 URL: https://jira.jboss.org/jira/browse/DNA-279
             Project: DNA
          Issue Type: Task
          Components: API, Graph
    Affects Versions: 0.3
            Reporter: Randall Hauch
            Assignee: Randall Hauch
             Fix For: 0.4


The Graph API needs a few improvements, including:
1) add a request to verify the existance of a node (basically, this checks for existence and fetches the actual location)
2) add a way to copy a node by specifying the path of the desired location (in addition to the current mechanism of specifying the parent and inferring the name of the new node from the original).  This could be accomplished by adding the desired name to the CopyBranchRequest, and then updating all of the RequestProcessor implementations to use this optional information.  This may affect a number of classes.
3) make NamespaceRegistry.Namespace extend Comparable<Namespace> so that namespaces can be sorted naturally
4) improve the efficiency of the AbstractPath.equals(...) implementation, which is not efficiently iterating up the Path.Segment instances.

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