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  • Committer: washort
  • Date: 2007-11-15 19:58:09 UTC
  • Revision ID: svn-v4:866e43f7-fbfc-0310-8f2a-ec88d1da2979:trunk:14265
merge in-memory-substores-1853.
Author: washort
Reviewer: exarkun

Allow in-memory stores to have in-memory substores, as well as on-disk files.
Closes #1853, #2203.

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Axiom/axiom/substore.py
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        """
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        Create a new SubStore, allocating a new file space for it.
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        """
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        storepath = store.newDirectory(*pathSegments)
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        self = cls(store=store, storepath=storepath)
 
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        if store.dbdir is None:
 
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            self = cls(store=store, storepath=None)
 
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        else:
 
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            storepath = store.newDirectory(*pathSegments)
 
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            self = cls(store=store, storepath=storepath)
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        self.open()
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        self.close()
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        return self
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        if hasattr(self, 'substore'):
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            return self.substore
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        else:
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            s = self.substore = Store(self.storepath.path,
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                                      parent=self.store,
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                                      idInParent=self.storeID,
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                                      debug=debug)
 
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            s = self.substore = self.createStore(debug)
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            s._openSubStore = self # don't fall out of cache as long as the
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                                   # store is alive!
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            return s
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    def createStore(self, debug):
 
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        """
 
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        Create the actual Store this Substore represents.
 
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        """
 
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        if self.storepath is None:
 
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            self.store._memorySubstores.append(self) # don't fall out of cache
 
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            if self.store.filesdir is None:
 
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                filesdir = None
 
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            else:
 
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                filesdir = (self.store.filesdir.child("_substore_files")
 
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                                               .child(str(self.storeID))
 
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                                               .path)
 
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            return Store(parent=self.store,
 
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                         filesdir=filesdir,
 
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                         idInParent=self.storeID,
 
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                         debug=debug)
 
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        else:
 
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            return Store(self.storepath.path,
 
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                         parent=self.store,
 
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                         idInParent=self.storeID,
 
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                         debug=debug)
 
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    def __conform__(self, interface):
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        """
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        I adapt my store object to whatever interface I am adapted to.  This
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        return interface(self)
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class SubStoreStartupService(Item, service.Service):
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    """
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    This class no longer exists.  It is here simply to trigger an upgrade which