def readItem(self, view, afterLoadHooks):
super(DBItemRMergeReader, self).readItem(view, afterLoadHooks)
if self.merged:
self.dirties = HashTuple(
filter(lambda h: h not in self.merged, self.dirties))
self.item._references._dirties = self.dirties
def _mergeVDIRTY(self, item, toVersion, dirties, mergeFn):
dirties = HashTuple(dirties)
store = self.repository.store
args = store._items.loadItem(toVersion, item._uuid)
DBItemVMergeReader(store, item, dirties,
mergeFn, *args).readItem(self, [])
def readItem(self, view, afterLoadHooks):
super(DBItemRMergeReader, self).readItem(view, afterLoadHooks)
if self.merged:
self.dirties = HashTuple(filter(lambda h: h not in self.merged,
self.dirties))
self.item._references._dirties = self.dirties
class DBItemRMergeReader(DBItemMergeReader):
def __init__(self, store, item, dirties, oldVersion, *args):
super(DBItemRMergeReader, self).__init__(store, item, dirties, None,
*args)
self.merged = []
self.oldVersion = oldVersion
self.oldDirties = item._references._getDirties()
def readItem(self, view, afterLoadHooks):
super(DBItemRMergeReader, self).readItem(view, afterLoadHooks)
if self.merged:
self.dirties = HashTuple(
filter(lambda h: h not in self.merged, self.dirties))
self.item._references._dirties = self.dirties
def _value(self, offset, data, kind, withSchema, attribute, view, name,
afterLoadHooks):
return offset, Nil
def _ref(self, offset, data, kind, withSchema, attribute, view, name,
afterLoadHooks):
if name in self.dirties:
flags = ord(data[offset])
if flags & DBItemWriter.LIST:
if name in self.oldDirties:
value = self.item._references.get(name, None)
if value is not None and value._isRefList():
value._mergeChanges(self.oldVersion, self.version)
self.merged.append(self.dirties.hash(name))
return offset, Nil
else:
offset, value = super(DBItemRMergeReader,
self)._ref(offset, data, kind,
withSchema, attribute,
view, name,
afterLoadHooks)
value._setItem(self.item)
return offset, value
return offset, Nil
class DBItemRMergeReader(DBItemMergeReader):
def __init__(self, store, item, dirties, oldVersion, *args):
super(DBItemRMergeReader, self).__init__(store, item, dirties,
None, *args)
self.merged = []
self.oldVersion = oldVersion
self.oldDirties = item._references._getDirties()
def readItem(self, view, afterLoadHooks):
super(DBItemRMergeReader, self).readItem(view, afterLoadHooks)
if self.merged:
self.dirties = HashTuple(filter(lambda h: h not in self.merged,
self.dirties))
self.item._references._dirties = self.dirties
def _value(self, offset, data, kind, withSchema, attribute, view, name,
afterLoadHooks):
return offset, Nil
def _ref(self, offset, data, kind, withSchema, attribute, view, name,
afterLoadHooks):
if name in self.dirties:
flags = ord(data[offset])
if flags & DBItemWriter.LIST:
if name in self.oldDirties:
value = self.item._references.get(name, None)
if value is not None and value._isRefList():
value._mergeChanges(self.oldVersion, self.version)
self.merged.append(self.dirties.hash(name))
return offset, Nil
else:
offset, value = super(DBItemRMergeReader, self)._ref(offset, data, kind, withSchema, attribute, view, name, afterLoadHooks)
value._setItem(self.item)
return offset, value
return offset, Nil
