BIND 10 #2206: define and implement ZoneTableSegment class

[BIND 10 Development]

#2206: define and implement ZoneTableSegment class
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                   Reporter:         |                 Owner:  jinmei
  jinmei                             |                Status:  reviewing
                       Type:  task   |             Milestone:
                   Priority:         |  Sprint-20121009
  medium                             |            Resolution:
                  Component:  data   |             Sensitive:  0
  source                             |           Sub-Project:  DNS
                   Keywords:         |  Estimated Difficulty:  6
            Defect Severity:  N/A    |           Total Hours:  0
Feature Depending on Ticket:         |
  background zone loading            |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by jinmei):

 Replying to [comment:9 muks]:

 I've made one small fix.

 The revised version generally looks good.  One minor possible concern
 is that the getHeader and getHeaderConst tests are mostly duplicate.
 But since the amount of code is small, it's probably okay.

 So, if you want to combine these somehow, please do.  Otherwise,
 please feel free to merge.

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Ticket URL: <http://bind10.isc.org/ticket/2206#comment:10>
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