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void DataImpl::xover_unref ( const Quark group  )  [virtual]

The last call to xover_unref() for a group can indicate to Data that it's safe to tear down any internal scaffolding set up in xover_ref().

Implements pan::Data.

Definition at line 195 of file xover.cc.

References pan::DataImpl::XOverEntry::_added_batch, pan::DataImpl::XOverEntry::_changed_batch, pan::DataImpl::XOverEntry::refcount, xover_clear_workarea(), and xover_get_workarea().

  XOverEntry& workarea (xover_get_workarea (group));
  if (!--workarea.refcount)
    on_articles_added (group, workarea._added_batch);

    on_articles_changed (workarea._changed_batch, true);

    xover_clear_workarea (group);

  unref_group (group);

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