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  • Committer: Martin Pool
  • Date: 2005-09-22 12:12:53 UTC
  • Revision ID: mbp@sourcefrog.net-20050922121253-eae2a3240ea5e493
- upgrade can no longer be done in current version branches
  so don't test it

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bzrlib/meta_store.py
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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from bzrlib.trace import mutter
 
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from trace import mutter
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from bzrlib.store import ImmutableStore
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class CachedStore:
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    """A store that caches data locally, to avoid repeated downloads.
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    The precacache method should be used to avoid server round-trips for
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        """Copy a series of ids into the cache, before they are used.
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        For remote stores that support pipelining or async downloads, this can
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        increase speed considerably.
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        Failures while prefetching are ignored.
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        """
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        mutter("Prefetch of ids %s" % ",".join(ids))
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        self.cache_store.copy_multi(self.source_store, ids, 
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                                    permit_failure=True)
 
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        self.cache_store.copy_multi(self.source_store, ids)