def _start_read_event(self,stream_id, event_number, on_success, on_failed):
Ensure.is_not_empty_string(stream_id, "stream_id")
Ensure.is_greater_equal_number_then(0,event_number, "event_number")
Ensure.is_function(on_success, "on_success")
Ensure.is_function(on_failed, "on_failed")
stream_id = quote(stream_id)
url = "{0}/streams/{1}/event/{2}".format(self._base_url, stream_id, str(event_number))
self._tornado_http_sender.send_async(url, "GET", self._headers, None,
lambda x: self._read_event_callback(x, on_success, on_failed))
def _start_read_event(self, stream_id, event_number, on_success,
on_failed):
Ensure.is_not_empty_string(stream_id, "stream_id")
Ensure.is_greater_equal_number_then(0, event_number, "event_number")
Ensure.is_function(on_success, "on_success")
Ensure.is_function(on_failed, "on_failed")
stream_id = quote(stream_id)
url = "{0}/streams/{1}/event/{2}".format(self._base_url, stream_id,
str(event_number))
self._tornado_http_sender.send_async(
url, "GET", self._headers, None,
lambda x: self._read_event_callback(x, on_success, on_failed))
def _start_read_all_events_backward(self, prepare_position, commit_position, count, on_success, on_failed):
Ensure.is_number(prepare_position, "prepare_position")
Ensure.is_number(commit_position, "commit_position")
Ensure.is_greater_equal_number_then(1, count, "count")
Ensure.is_function(on_success, "on_success")
Ensure.is_function(on_failed, "on_failed")
events = []
batch_counter = 0
params = ReadEventsData
params.prepare_position = prepare_position
params.commit_position = commit_position
params.count = count
params.batch_counter = batch_counter
params.events = events
self._read_batch_all_events_backward(params, on_success, on_failed)
def _start_read_stream_events_backward(self, stream_id, start_position, count, on_success, on_failed):
Ensure.is_not_empty_string(stream_id, "stream_id")
Ensure.is_greater_equal_number_then(-1,start_position, "start_position")
Ensure.is_greater_equal_number_then(1, count, "count")
Ensure.is_function(on_success, "on_success")
Ensure.is_function(on_failed, "on_failed")
stream_id = quote(stream_id)
events = []
batch_counter=0
params = ReadEventsData
params.stream_id = stream_id
params.start_position = start_position
params.count = count
params.batch_counter = batch_counter
params.events = events
self._read_batch_events_backward(params, on_success, on_failed)
def _start_read_all_events_backward(self, prepare_position,
commit_position, count, on_success,
on_failed):
Ensure.is_number(prepare_position, "prepare_position")
Ensure.is_number(commit_position, "commit_position")
Ensure.is_greater_equal_number_then(1, count, "count")
Ensure.is_function(on_success, "on_success")
Ensure.is_function(on_failed, "on_failed")
events = []
batch_counter = 0
params = ReadEventsData
params.prepare_position = prepare_position
params.commit_position = commit_position
params.count = count
params.batch_counter = batch_counter
params.events = events
self._read_batch_all_events_backward(params, on_success, on_failed)
def _start_read_stream_events_backward(self, stream_id, start_position,
count, on_success, on_failed):
Ensure.is_not_empty_string(stream_id, "stream_id")
Ensure.is_greater_equal_number_then(-1, start_position,
"start_position")
Ensure.is_greater_equal_number_then(1, count, "count")
Ensure.is_function(on_success, "on_success")
Ensure.is_function(on_failed, "on_failed")
stream_id = quote(stream_id)
events = []
batch_counter = 0
params = ReadEventsData
params.stream_id = stream_id
params.start_position = start_position
params.count = count
params.batch_counter = batch_counter
params.events = events
self._read_batch_events_backward(params, on_success, on_failed)
