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Kirill Smelkov
ZODB
Commits
b0bc5f9c
Commit
b0bc5f9c
authored
Mar 16, 2004
by
Jeremy Hylton
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Restore epydoc markup using rST variant.
parent
64a3242f
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1
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36 additions
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14 deletions
+36
-14
src/ZODB/DB.py
src/ZODB/DB.py
+36
-14
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src/ZODB/DB.py
View file @
b0bc5f9c
...
...
@@ -13,7 +13,7 @@
##############################################################################
"""Database objects
$Id: DB.py,v 1.7
0 2004/03/04 22:41:50 jim
Exp $"""
$Id: DB.py,v 1.7
1 2004/03/16 16:28:19 jeremy
Exp $"""
import
cPickle
,
cStringIO
,
sys
from
thread
import
allocate_lock
...
...
@@ -28,6 +28,7 @@ from zLOG import LOG, ERROR
class
DB
(
object
):
"""The Object Database
-------------------
The DB class coordinates the activities of multiple database
Connection instances. Most of the work is done by the
...
...
@@ -47,6 +48,28 @@ class DB(object):
The database provides a few methods intended for application code
-- open, close, undo, and pack -- and a large collection of
methods for inspecting the database and its connections' caches.
:Cvariables:
- `klass`: Class used by L{open} to create database connections
:Groups:
- `User Methods`: __init__, open, close, undo, pack, classFactory
- `Inspection Methods`: getName, getSize, objectCount,
getActivityMonitor, setActivityMonitor
- `Connection Pool Methods`: getPoolSize, getVersionPoolSize,
removeVersionPool, setPoolSize, setVersionPoolSize
- `Transaction Methods`: invalidate
- `Other Methods`: lastTransaction, connectionDebugInfo
- `Version Methods`: modifiedInVersion, abortVersion, commitVersion,
versionEmpty
- `Cache Inspection Methods`: cacheDetail, cacheExtremeDetail,
cacheFullSweep, cacheLastGCTime, cacheMinimize, cacheMeanAge,
cacheMeanDeac, cacheMeanDeal, cacheSize, cacheDetailSize,
getCacheSize, getVersionCacheSize, setCacheSize, setVersionCacheSize,
cacheStatistics
- `Deprecated Methods`: getCacheDeactivateAfter,
setCacheDeactivateAfter,
getVersionCacheDeactivateAfter, setVersionCacheDeactivateAfter
"""
klass
=
Connection
# Class to use for connections
...
...
@@ -62,17 +85,15 @@ class DB(object):
):
"""Create an object database.
The constructor requires one argument, the storage used by the
database, e.g. FileStorage.
There are several other optional arguments:
pool_size: maximum number of open connections
cache_size: target size of Connection object cache
cache_deactivate_after: ignored
version_pool_size: maximum number of connections (per version)
version_cache_size: target size of Connection object cache for
:Parameters:
- `storage`: the storage used by the database, e.g. FileStorage
- `pool_size`: maximum number of open connections
- `cache_size`: target size of Connection object cache
- `cache_deactivate_after`: ignored
- `version_pool_size`: maximum number of connections (per version)
- `version_cache_size`: target size of Connection object cache for
version connections
version_cache_deactivate_after
: ignored
- `version_cache_deactivate_after`
: ignored
"""
# Allocate locks:
l
=
allocate_lock
()
...
...
@@ -602,9 +623,10 @@ class DB(object):
or undoInfo(). The value of id is not the same as a
transaction id used by other methods; it is unique to undo().
In addition, a user can pass the optional argument,
transaction, which identifies a transaction context to use for
the undo().
:Parameters:
- `id`: a storage-specific transaction identifier
- `transaction`: transaction context to use for undo().
By default, uses the current transaction.
"""
if
transaction
is
None
:
transaction
=
get_transaction
()
...
...
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