BIND 10 #2164: introduce RRset::getSIGRdataCount()

[BIND 10 Development]

#2164: introduce RRset::getSIGRdataCount()
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                   Reporter:         |                 Owner:  muks
  jinmei                             |                Status:  reviewing
                       Type:  task   |             Milestone:
                   Priority:         |  Sprint-20120821
  medium                             |            Resolution:
                  Component:         |             Sensitive:  0
  libdns++                           |           Sub-Project:  DNS
                   Keywords:         |  Estimated Difficulty:  2
            Defect Severity:  N/A    |           Total Hours:  0
Feature Depending on Ticket:         |
  scalable inmemory                  |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Changes (by jelte):

 * owner:  jelte => muks


Comment:

 The change removes this line from the testdata Makefile.am:
 EXTRA_DIST += message_toWire4.spec message_toWire5.spec

 I assume that is an accident :)

 The dynamic cast in the added test in message_unittest makes me think that
 this new method should probably go into the AbstractRRset interface as
 well.

 For the rest it looks fine :)

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Ticket URL: <http://bind10.isc.org/ticket/2164#comment:11>
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