← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/chk_map.py

  • Committer: Gary van der Merwe
  • Date: 2010-07-28 08:34:25 UTC
  • mfrom: (5050.3.15 2.2)
  • mto: (5050.3.19 2.2)
  • mto: This revision was merged to the branch mainline in revision 5371.
  • Revision ID: garyvdm@gmail.com-20100728083425-al2e9wj5w3wiw39n
Merge lp:bzr/2.2

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/chk_map.py
90
90
_INTERESTING_NEW_SIZE = 50
91
91
# If a ChildNode shrinks by more than this amount, we check for a remap
92
92
_INTERESTING_SHRINKAGE_LIMIT = 20
93
 
# If we delete more than this many nodes applying a delta, we check for a remap
94
 
_INTERESTING_DELETES_LIMIT = 5
95
93
 
96
94
 
97
95
def _search_key_plain(key):
135
133
            into the map; if old_key is not None, then the old mapping
136
134
            of old_key is removed.
137
135
        """
138
 
        delete_count = 0
 
136
        has_deletes = False
139
137
        # Check preconditions first.
140
138
        as_st = StaticTuple.from_sequence
141
139
        new_items = set([as_st(key) for (old, key, value) in delta
148
146
        for old, new, value in delta:
149
147
            if old is not None and old != new:
150
148
                self.unmap(old, check_remap=False)
151
 
                delete_count += 1
 
149
                has_deletes = True
152
150
        for old, new, value in delta:
153
151
            if new is not None:
154
152
                self.map(new, value)
155
 
        if delete_count > _INTERESTING_DELETES_LIMIT:
156
 
            trace.mutter("checking remap as %d deletions", delete_count)
 
153
        if has_deletes:
157
154
            self._check_remap()
158
155
        return self._save()
159
156
 
573
570
        """Check if nodes can be collapsed."""
574
571
        self._ensure_root()
575
572
        if type(self._root_node) is InternalNode:
576
 
            self._root_node._check_remap(self._store)
 
573
            self._root_node = self._root_node._check_remap(self._store)
577
574
 
578
575
    def _save(self):
579
576
        """Save the map completely.