cvs2svn_lib/changeset_graph_node.py

   1 # (Be in -*- python -*- mode.)
   2 #
   3 # ====================================================================
   4 # Copyright (c) 2006-2008 CollabNet.  All rights reserved.
   5 #
   6 # This software is licensed as described in the file COPYING, which
   7 # you should have received as part of this distribution.  The terms
   8 # are also available at http://subversion.tigris.org/license-1.html.
   9 # If newer versions of this license are posted there, you may use a
  10 # newer version instead, at your option.
  11 #
  12 # This software consists of voluntary contributions made by many
  13 # individuals.  For exact contribution history, see the revision
  14 # history and logs, available at http://cvs2svn.tigris.org/.
  15 # ====================================================================
  16
  17 """A node in the changeset dependency graph."""
  18
  19
  20 class ChangesetGraphNode(object):
  21   """A node in the changeset dependency graph."""
  22
  23   __slots__ = ['id', 'time_range', 'pred_ids', 'succ_ids']
  24
  25   def __init__(self, changeset, time_range, pred_ids, succ_ids):
  26     # The id of the ChangesetGraphNode is the same as the id of the
  27     # changeset.
  28     self.id = changeset.id
  29
  30     # The range of times of CVSItems within this Changeset.
  31     self.time_range = time_range
  32
  33     # The set of changeset ids of changesets that are direct
  34     # predecessors of this one.
  35     self.pred_ids = pred_ids
  36
  37     # The set of changeset ids of changesets that are direct
  38     # successors of this one.
  39     self.succ_ids = succ_ids
  40
  41   def __repr__(self):
  42     """For convenience only.  The format is subject to change at any time."""
  43
  44     return '%x; pred=[%s]; succ=[%s]' % (
  45         self.id,
  46         ','.join(['%x' % id for id in self.pred_ids]),
  47         ','.join(['%x' % id for id in self.succ_ids]),
  48         )
  49
  50