BIND 10 #1063: support delegation (NS and DNAME) case for DatabaseZoneHandle::find()

[BIND 10 Development]

#1063: support delegation (NS and DNAME) case for DatabaseZoneHandle::find()
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                   Reporter:         |                 Owner:  UnAssigned
  jinmei                             |                Status:  reviewing
                       Type:  task   |             Milestone:
                   Priority:  major  |  Sprint-20110816
                  Component:  data   |            Resolution:
  source                             |             Sensitive:  0
                   Keywords:         |           Sub-Project:  DNS
            Defect Severity:  N/A    |  Estimated Difficulty:  4.0
Feature Depending on Ticket:         |           Total Hours:  0
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Changes (by vorner):

 * owner:  vorner => UnAssigned
 * status:  accepted => reviewing


Comment:

 Hello

 This should be ready for review. I must admit the interface of getRRset (a
 method that scans single domain and finds some RRset in it) isn't really
 clean, but I didn't think of any better which wouldn't be overcomplicated
 with objects, etc.

 I tried to think of several corner-cases what to test, do you have any
 idea for more of them?

 Should I split the test function? It is getting rather long.

 Thank you

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Ticket URL: <http://bind10.isc.org/ticket/1063#comment:4>
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