[Zodb-checkins] CVS: Zope3/src/zodb - interfaces.py:1.10

[Jeremy Hylton]

Update of /cvs-repository/Zope3/src/zodb
In directory cvs.zope.org:/tmp/cvs-serv8912

Modified Files:
	interfaces.py 
Log Message:
Add some preliminary interfaces for database.


=== Zope3/src/zodb/interfaces.py 1.9 => 1.10 ===
--- Zope3/src/zodb/interfaces.py:1.9	Tue Feb 11 10:59:27 2003
+++ Zope3/src/zodb/interfaces.py	Thu Feb 27 15:11:47 2003
@@ -220,6 +220,30 @@
     o A reference to an object in a different database connection.
     """
 
+class IAppDatabase(Interface):
+    """Interface exported by database to applications."""
+
+    def open(version="", transaction=None, temporary=False, force=False,
+             waitflag=True):
+        # XXX Most of these arguments should eventually go away
+        """Open a new database connection."""
+
+    def abortVersion(version):
+        """Abort the locked database version named version."""
+
+    def commitVersion(source, dest=""):
+        """Commit changes from locked database version source to dest.
+
+        The default value of dest means commit the changes to the
+        default version.
+        """
+
+    def pack(time):
+        """Pack database to time."""
+
+    def undo(txnid):
+        """Undo changes caused by transaction txnid."""
+
 class IAppConnection(Interface):
     """Interface exported by database connection to applications."""
 
@@ -231,6 +255,25 @@
 
         If there is a current transaction, it will be aborted.
         """
+
+class IDatabase(Interface):
+    """Interface between the database and its connections."""
+
+    # XXX This interface needs to be redesigned, so I'm not going to
+    # bother documenting the current interface.
+
+    def begin_invalidation():
+        pass
+
+    def invalidate(oid, conn):
+        pass
+
+    def finish_invalidation():
+        pass
+
+    def _closeConnection():
+        pass
+
 
 class IConnection(Interface):
     """Interface required of Connection by ZODB DB.