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nexedi
ZEO
Commits
96f0bc6b
Commit
96f0bc6b
authored
Mar 02, 2004
by
Jeremy Hylton
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Remove _incrgc attribute of Connection.
Add docstrings for public cache methods.
parent
9344c721
Changes
1
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21 additions
and
7 deletions
+21
-7
src/ZODB/Connection.py
src/ZODB/Connection.py
+21
-7
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src/ZODB/Connection.py
View file @
96f0bc6b
...
@@ -13,7 +13,7 @@
...
@@ -13,7 +13,7 @@
##############################################################################
##############################################################################
"""Database connection support
"""Database connection support
$Id: Connection.py,v 1.13
1 2004/03/01 19:07:25
jeremy Exp $"""
$Id: Connection.py,v 1.13
2 2004/03/02 15:43:16
jeremy Exp $"""
import
logging
import
logging
import
sys
import
sys
...
@@ -102,7 +102,7 @@ class Connection(ExportImport, object):
...
@@ -102,7 +102,7 @@ class Connection(ExportImport, object):
XXX Mention the database pool.
XXX Mention the database pool.
$Id: Connection.py,v 1.13
1 2004/03/01 19:07:25
jeremy Exp $
$Id: Connection.py,v 1.13
2 2004/03/02 15:43:16
jeremy Exp $
@group User Methods: root, get, add, close, db, sync, isReadOnly,
@group User Methods: root, get, add, close, db, sync, isReadOnly,
cacheFullSweep, cacheMinimize, getVersion, modifiedInVersion
cacheFullSweep, cacheMinimize, getVersion, modifiedInVersion
...
@@ -146,7 +146,6 @@ class Connection(ExportImport, object):
...
@@ -146,7 +146,6 @@ class Connection(ExportImport, object):
# XXX Why do we want version caches to behave this way?
# XXX Why do we want version caches to behave this way?
self
.
_cache
.
cache_drain_resistance
=
100
self
.
_cache
.
cache_drain_resistance
=
100
self
.
_incrgc
=
self
.
cacheGC
=
cache
.
incrgc
self
.
_committed
=
[]
self
.
_committed
=
[]
self
.
_added
=
{}
self
.
_added
=
{}
self
.
_reset_counter
=
global_reset_counter
self
.
_reset_counter
=
global_reset_counter
...
@@ -348,7 +347,6 @@ class Connection(ExportImport, object):
...
@@ -348,7 +347,6 @@ class Connection(ExportImport, object):
self
.
_invalidated
.
clear
()
self
.
_invalidated
.
clear
()
cache_size
=
self
.
_cache
.
cache_size
cache_size
=
self
.
_cache
.
cache_size
self
.
_cache
=
cache
=
PickleCache
(
self
,
cache_size
)
self
.
_cache
=
cache
=
PickleCache
(
self
,
cache_size
)
self
.
_incrgc
=
self
.
cacheGC
=
cache
.
incrgc
def
abort
(
self
,
object
,
transaction
):
def
abort
(
self
,
object
,
transaction
):
"""Abort the object in the transaction.
"""Abort the object in the transaction.
...
@@ -380,12 +378,28 @@ class Connection(ExportImport, object):
...
@@ -380,12 +378,28 @@ class Connection(ExportImport, object):
self
.
_cache
.
full_sweep
(
dt
)
self
.
_cache
.
full_sweep
(
dt
)
def
cacheMinimize
(
self
,
dt
=
None
):
def
cacheMinimize
(
self
,
dt
=
None
):
# XXX needs doc string
"""Deactivate all unmodified objects in the cache.
Call _p_deactivate() on each cached object, attempting to turn
it into a ghost. It is possible for individual objects to
remain active.
@param dt: The dt argument is provided only for backwards
compatibility. It is ignored.
"""
if
dt
is
not
None
:
if
dt
is
not
None
:
warnings
.
warn
(
"The dt argument to cacheMinimize is ignored."
,
warnings
.
warn
(
"The dt argument to cacheMinimize is ignored."
,
DeprecationWarning
)
DeprecationWarning
)
self
.
_cache
.
minimize
()
self
.
_cache
.
minimize
()
def
cacheGC
(
self
):
"""Reduce cache size to target size.
Call _p_deactivate() on cached objects until the cache size
falls under the target size.
"""
self
.
_cache
.
incrgc
()
__onCloseCallbacks
=
None
__onCloseCallbacks
=
None
def
onCloseCallback
(
self
,
f
):
def
onCloseCallback
(
self
,
f
):
...
@@ -410,8 +424,8 @@ class Connection(ExportImport, object):
...
@@ -410,8 +424,8 @@ class Connection(ExportImport, object):
L{onCloseCallback} are invoked and the cache is scanned for
L{onCloseCallback} are invoked and the cache is scanned for
old objects.
old objects.
"""
"""
if
self
.
_
incrgc
is
not
None
:
if
self
.
_
cache
is
not
None
:
self
.
_incrgc
()
# This is a good time to do some GC
self
.
_
cache
.
incrgc
()
# This is a good time to do some GC
# Call the close callbacks.
# Call the close callbacks.
if
self
.
__onCloseCallbacks
is
not
None
:
if
self
.
__onCloseCallbacks
is
not
None
:
...
...
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