def Close(self):
"""
Close the object and all contained objects. Currently only used in combination with caches.
Event
- close()
"""
self.Signal("close")
if ICache.providedBy(self):
# opt
for o in self.GetAllFromCache():
o.Close()
p = self.parent
if ICache.providedBy(p):
p.RemoveCache(self.id)
self.dbEntry.Close()
def Close(self):
"""
Close the object and all contained objects. Currently only used in combination with caches.
Event
- close()
"""
self.Signal("close")
if ICache.providedBy(self):
#opt
for o in self.GetAllFromCache():
o.Close()
p = self.parent
if ICache.providedBy(p):
p.RemoveCache(self.id)
self.dbEntry.Close()
def _GetObjBatch(self, ids, parentObj=None, **kw):
"""
Load multiple objects at once.
"""
if len(ids) == 0:
return []
useCache = ICache.providedBy(self)
objs = []
if useCache:
load = []
for id in ids:
o = self.GetFromCache(id)
if o:
objs.append(o)
else:
load.append(id)
if len(load) == 0:
return objs
ids = load
app = self.app
entries = app.db.GetBatch(ids, preload="all", **kw)
# create object for type
if not parentObj:
parentObj = self
securityContext = kw.get("securityContext")
permission = kw.get("permission")
for dbEntry in entries:
obj = None
type = dbEntry.meta.get("pool_type")
if not type:
continue
configuration = app.GetObjectConf(type, skipRoot=1)
if not configuration:
continue
obj = ClassFactory(configuration,
app.reloadExtensions,
True,
base=None)
obj = obj(dbEntry.id,
dbEntry,
parent=parentObj,
configuration=configuration,
**kw)
# check security if context passed in keywords
if securityContext and permission:
if not has_permission(permission, obj, securityContext):
continue
if useCache:
self.Cache(obj, obj.id)
objs.append(obj)
return objs
def _GetObj(self, id, dbEntry = None, parentObj = None, configuration = None, **kw):
"""
Loads and initializes the object. ::
id = id of the object to be loaded
dbEntry = the database entry. Will be loaded automatically if None
parentObj = if a different parent than the container
configuration = the object configuration to be loaded
returns the object or None
"""
useCache = ICache.providedBy(self)
if useCache:
o = self.GetFromCache(id)
if o:
return o
app = self.app
if not dbEntry:
# check restraints
qr = kw.get("queryRestraints",None)
if qr!=False:
root = self.root()
p,o = root.ObjQueryRestraints(self)
p["id"] = id
p["pool_unitref"] = self.id
e = root.Select(parameter=p, operators=o)
if len(e)==0:
return None
dbEntry = app.db.GetEntry(id, **kw)
if not dbEntry:
return None
#raise Exception, "NotFound"
if dbEntry.meta["pool_unitref"]!=self.id:
raise ContainmentError, "Object is not a child (%s)" % (str(id))
# create object for type
if not parentObj:
parentObj = self
obj = None
if not configuration:
type = dbEntry.GetMetaField("pool_type")
if not type:
# broken entry
#raise ConfigurationError, "Empty type"
return None
configuration = app.GetObjectConf(type)
if not configuration:
raise ConfigurationError, "Type not found (%s)" % (str(type))
obj = ClassFactory(configuration, app.reloadExtensions, True, base=None)
obj = obj(id, dbEntry, parent=parentObj, configuration=configuration, **kw)
if useCache:
self.Cache(obj, obj.id)
return obj
def Close(self):
"""
Close the root and all contained objects. Currently only used in combination with caches.
Event
- close()
"""
self.Signal("close")
if ICache.providedBy(self):
#opt
for o in self.GetAllFromCache():
o.Close()
return
def Close(self):
"""
Close the root and all contained objects. Currently only used in combination with caches.
Event
- close()
"""
self.Signal("close")
if ICache.providedBy(self):
#opt
for o in self.GetAllFromCache():
o.Close()
return
def _GetObjBatch(self, ids, parentObj = None, **kw):
"""
Load multiple objects at once.
"""
if len(ids)==0:
return []
useCache = ICache.providedBy(self)
objs = []
if useCache:
load = []
for id in ids:
o = self.GetFromCache(id)
if o:
objs.append(o)
else:
load.append(id)
if len(load)==0:
return objs
ids = load
app = self.app
entries = app.db.GetBatch(ids, preload="all", **kw)
# create object for type
if not parentObj:
parentObj = self
securityContext = kw.get("securityContext")
permission = kw.get("permission")
for dbEntry in entries:
obj = None
type = dbEntry.meta.get("pool_type")
if not type:
continue
configuration = app.GetObjectConf(type, skipRoot=1)
if not configuration:
continue
obj = ClassFactory(configuration, app.reloadExtensions, True, base=None)
obj = obj(dbEntry.id, dbEntry, parent=parentObj, configuration=configuration, **kw)
# check security if context passed in keywords
if securityContext and permission:
if not has_permission(permission, obj, securityContext):
continue
if useCache:
self.Cache(obj, obj.id)
objs.append(obj)
return objs
def _GetObj(self,
id,
dbEntry=None,
parentObj=None,
configuration=None,
**kw):
"""
Loads and initializes the object. ::
id = id of the object to be loaded
dbEntry = the database entry. Will be loaded automatically if None
parentObj = if a different parent than the container
configuration = the object configuration to be loaded
returns the object or None
"""
useCache = ICache.providedBy(self)
if useCache:
o = self.GetFromCache(id)
if o:
return o
app = self.app
if not dbEntry:
# check restraints
qr = kw.get("queryRestraints", None)
if qr != False:
root = self.dataroot
p, o = root.ObjQueryRestraints(self)
p["id"] = id
p["pool_unitref"] = self.id
e = root.Select(parameter=p, operators=o)
if len(e) == 0:
return None
dbEntry = app.db.GetEntry(id, **kw)
if not dbEntry:
return None
#raise Exception, "NotFound"
if dbEntry.meta["pool_unitref"] != self.id:
raise ContainmentError, "Object is not a child (%s)" % (
str(id))
# create object for type
if not parentObj:
parentObj = self
obj = None
if not configuration:
type = dbEntry.GetMetaField("pool_type")
if not type:
# broken entry
#raise ConfigurationError, "Empty type"
return None
configuration = app.GetObjectConf(type)
if not configuration:
raise ConfigurationError, "Type not found (%s)" % (str(type))
obj = ClassFactory(configuration,
app.reloadExtensions,
True,
base=None)
obj = obj(id,
dbEntry,
parent=parentObj,
configuration=configuration,
**kw)
# check security if context passed in keywords
if kw.get("securityContext") and kw.get("permission"):
if not has_permission(kw["permission"], obj,
kw["securityContext"]):
raise PermissionError, "Permission check failed (%s)" % (
str(id))
if useCache:
self.Cache(obj, obj.id)
return obj