def apply_op(self, op, is_remote):
oldSnapshot = self.snapshot
self.snapshot = optransform.apply(self.snapshot, op)
self.emit('change', op, oldSnapshot)
if is_remote:
self.emit('remoteop', op, oldSnapshot)
def apply_op(self, op, is_remote):
oldSnapshot = self.snapshot
self.snapshot = optransform.apply(self.snapshot, op)
self.emit('change', op, oldSnapshot)
if is_remote:
self.emit('remoteop', op, oldSnapshot)
def _otApply(docOp, isRemote):
oldSnapshot = self.snapshot
self.snapshot = optransform.apply(self.snapshot, docOp)
self.emit('change', docOp, oldSnapshot)
if isRemote:
self.emit('remoteop', docOp, oldSnapshot)
def submit_op(self, op, callback):
op = optransform.normalize(op)
self.snapshot = optransform.apply(self.snapshot, op)
if self.pending_op is not None:
self.pending_op = optransform.compose(self.pending_op, op)
else:
self.pending_op = op
if callback:
self.pending_callbacks.append(callback)
self.emit('change', op)
self.flush()
def submit_op(self, op, callback):
op = optransform.normalize(op)
self.snapshot = optransform.apply(self.snapshot, op)
if self.pending_op is not None:
self.pending_op = optransform.compose(self.pending_op, op)
else:
self.pending_op = op
if callback:
self.pending_callbacks.append(callback)
self.emit('change', op)
self.flush()
def handle_op(self, doc, op, callback):
if 'v' not in op or op['v'] < 0:
return callback('Version missing', None)
if op['v'] > doc['v']:
return callback('Op at future version', None)
if op['v'] < doc['v'] - self.options['maximumAge']:
return callback('Op too old', None)
if op['v'] < 0:
return callback('Invalid version', None)
ops = doc['ops'][(len(doc['ops']) + op['v'] - doc['v']):]
if doc['v'] - op['v'] != len(ops):
logging.error(
"Could not get old ops in model for document {1}. Expected ops {1} to {2} and got {3} ops"
.format(doc['name'], op['v'], doc['v'], len(ops)))
return callback('Internal error', None)
for oldOp in ops:
op['op'] = optransform.transform(op['op'], oldOp['op'], 'left')
op['v'] += 1
newSnapshot = optransform.apply(doc['snapshot'], op['op'])
if op['v'] != doc['v']:
logging.error(
"Version mismatch detected in model. File a ticket - this is a bug. Expecting {0} == {1}"
.format(op['v'], doc['v']))
return callback('Internal error', None)
oldSnapshot = doc['snapshot']
doc['v'] = op['v'] + 1
doc['snapshot'] = newSnapshot
for listener in doc['listeners']:
listener(op, newSnapshot, oldSnapshot)
def save_op_callback(error=None):
if error:
logging.error("Error saving op: {0}".format(error))
return callback(error, None)
else:
return callback(None, op['v'])
self.save_op(doc['name'], op, save_op_callback)
def handle_op(self, doc, op, callback):
if 'v' not in op or op['v'] < 0:
return callback('Version missing', None)
if op['v'] > doc['v']:
return callback('Op at future version', None)
if op['v'] < doc['v'] - self.options['maximumAge']:
return callback('Op too old', None)
if op['v'] < 0:
return callback('Invalid version', None)
ops = doc['ops'][(len(doc['ops'])+op['v']-doc['v']):]
if doc['v'] - op['v'] != len(ops):
logging.error("Could not get old ops in model for document {1}. Expected ops {1} to {2} and got {3} ops".format(doc['name'], op['v'], doc['v'], len(ops)))
return callback('Internal error', None)
for oldOp in ops:
op['op'] = optransform.transform(op['op'], oldOp['op'], 'left')
op['v']+=1
newSnapshot = optransform.apply(doc['snapshot'], op['op'])
if op['v'] != doc['v']:
logging.error("Version mismatch detected in model. File a ticket - this is a bug. Expecting {0} == {1}".format(op['v'], doc['v']))
return callback('Internal error', None)
oldSnapshot = doc['snapshot']
doc['v'] = op['v'] + 1
doc['snapshot'] = newSnapshot
for listener in doc['listeners']:
listener(op, newSnapshot, oldSnapshot)
def save_op_callback(error=None):
if error:
logging.error("Error saving op: {0}".format(error))
return callback(error, None)
else:
return callback(None, op['v'])
self.save_op(doc['name'], op, save_op_callback)
