async def receive_deferred_messages(
self, sequence_numbers: Union[int, List[int]],
**kwargs: Any) -> List[ServiceBusReceivedMessage]:
"""Receive messages that have previously been deferred.
When receiving deferred messages from a partitioned entity, all of the supplied
sequence numbers must be messages from the same partition.
:param Union[int, list[int]] sequence_numbers: A list of the sequence numbers of messages that have been
deferred.
:keyword float timeout: The total operation timeout in seconds including all the retries. The value must be
greater than 0 if specified. The default value is None, meaning no timeout.
:rtype: list[~azure.servicebus.aio.ServiceBusReceivedMessage]
.. admonition:: Example:
.. literalinclude:: ../samples/async_samples/sample_code_servicebus_async.py
:start-after: [START receive_defer_async]
:end-before: [END receive_defer_async]
:language: python
:dedent: 4
:caption: Receive deferred messages from ServiceBus.
"""
self._check_live()
timeout = kwargs.pop("timeout", None)
if timeout is not None and timeout <= 0:
raise ValueError("The timeout must be greater than 0.")
if isinstance(sequence_numbers, six.integer_types):
sequence_numbers = [sequence_numbers]
if not sequence_numbers:
raise ValueError("At least one sequence number must be specified.")
await self._open()
try:
receive_mode = self._receive_mode.value.value
except AttributeError:
receive_mode = int(self._receive_mode)
message = {
MGMT_REQUEST_SEQUENCE_NUMBERS:
types.AMQPArray([types.AMQPLong(s) for s in sequence_numbers]),
MGMT_REQUEST_RECEIVER_SETTLE_MODE:
types.AMQPuInt(receive_mode)
}
self._populate_message_properties(message)
handler = functools.partial(mgmt_handlers.deferred_message_op,
receive_mode=self._receive_mode,
message_type=ServiceBusReceivedMessage,
receiver=self)
messages = await self._mgmt_request_response_with_retry(
REQUEST_RESPONSE_RECEIVE_BY_SEQUENCE_NUMBER,
message,
handler,
timeout=timeout)
if self._auto_lock_renewer and not self._session:
for message in messages:
self._auto_lock_renewer.register(self, message)
return messages
async def receive_deferred_messages(self,
sequence_numbers,
mode=ReceiveSettleMode.PeekLock,
**kwargs):
"""Receive messages that have previously been deferred.
When receiving deferred messages from a partitioned entity, all of the supplied
sequence numbers must be messages from the same partition.
:param sequence_numbers: A list of the sequence numbers of messages that have been
deferred.
:type sequence_numbers: list[int]
:param mode: The mode with which messages will be retrieved from the entity. The two options
are PeekLock and ReceiveAndDelete. Messages received with PeekLock must be settled within a given
lock period before they will be removed from the queue. Messages received with ReceiveAndDelete
will be immediately removed from the queue, and cannot be subsequently rejected or re-received if
the client fails to process the message. The default mode is PeekLock.
:type mode: ~azure.servicebus.common.constants.ReceiveSettleMode
:rtype: list[~azure.servicebus.aio.async_message.DeferredMessage]
Example:
.. literalinclude:: ../examples/async_examples/test_examples_async.py
:start-after: [START client_defer_messages]
:end-before: [END client_defer_messages]
:language: python
:dedent: 8
:caption: Defer messages, then retrieve them by sequence number.
"""
if (self.entity and self.requires_session) or kwargs.get('session'):
raise ValueError(
"Sessionful deferred messages can only be received within a locked receive session."
)
if not sequence_numbers:
raise ValueError("At least one sequence number must be specified.")
try:
receive_mode = mode.value.value
except AttributeError:
receive_mode = int(mode)
message = {
'sequence-numbers':
types.AMQPArray([types.AMQPLong(s) for s in sequence_numbers]),
'receiver-settle-mode':
types.AMQPuInt(receive_mode)
}
mgmt_handler = functools.partial(mgmt_handlers.deferred_message_op,
mode=receive_mode,
message_type=DeferredMessage)
async with BaseHandler(self.entity_uri,
self.auth_config,
loop=self.loop,
debug=self.debug,
**kwargs) as handler:
return await handler._mgmt_request_response( # pylint: disable=protected-access
REQUEST_RESPONSE_RECEIVE_BY_SEQUENCE_NUMBER, message,
mgmt_handler)
async def receive_deferred_messages(self,
sequence_numbers,
mode=ReceiveSettleMode.PeekLock):
"""Receive messages that have previously been deferred.
This operation can only receive deferred messages from the current session.
When receiving deferred messages from a partitioned entity, all of the supplied
sequence numbers must be messages from the same partition.
:param sequence_numbers: A list of the sequence numbers of messages that have been
deferred.
:type sequence_numbers: list[int]
:param mode: The receive mode, default value is PeekLock.
:type mode: ~azure.servicebus.common.constants.ReceiveSettleMode
:rtype: list[~azure.servicebus.aio.async_message.DeferredMessage]
Example:
.. literalinclude:: ../examples/async_examples/test_examples_async.py
:start-after: [START receiver_defer_session_messages]
:end-before: [END receiver_defer_session_messages]
:language: python
:dedent: 8
:caption: Defer messages, then retrieve them by sequence number.
"""
if not sequence_numbers:
raise ValueError("At least one sequence number must be specified.")
await self._can_run()
try:
receive_mode = mode.value.value
except AttributeError:
receive_mode = int(mode)
message = {
'sequence-numbers':
types.AMQPArray([types.AMQPLong(s) for s in sequence_numbers]),
'receiver-settle-mode':
types.AMQPuInt(receive_mode),
'session-id':
self.session_id
}
handler = functools.partial(mgmt_handlers.deferred_message_op,
mode=receive_mode,
message_type=DeferredMessage)
messages = await self._mgmt_request_response(
REQUEST_RESPONSE_RECEIVE_BY_SEQUENCE_NUMBER, message, handler)
for m in messages:
m._receiver = self # pylint: disable=protected-access
return messages
async def receive_deferred_messages(self, sequence_numbers):
# type: (Union[int, List[int]]) -> List[ReceivedMessage]
"""Receive messages that have previously been deferred.
When receiving deferred messages from a partitioned entity, all of the supplied
sequence numbers must be messages from the same partition.
:param Union[int, list[int]] sequence_numbers: A list of the sequence numbers of messages that have been
deferred.
:rtype: list[~azure.servicebus.aio.ReceivedMessage]
.. admonition:: Example:
.. literalinclude:: ../samples/async_samples/sample_code_servicebus_async.py
:start-after: [START receive_defer_async]
:end-before: [END receive_defer_async]
:language: python
:dedent: 4
:caption: Receive deferred messages from ServiceBus.
"""
self._check_live()
if isinstance(sequence_numbers, six.integer_types):
sequence_numbers = [sequence_numbers]
if not sequence_numbers:
raise ValueError("At least one sequence number must be specified.")
await self._open()
try:
receive_mode = self._receive_mode.value.value
except AttributeError:
receive_mode = int(self._receive_mode)
message = {
MGMT_REQUEST_SEQUENCE_NUMBERS: types.AMQPArray([types.AMQPLong(s) for s in sequence_numbers]),
MGMT_REQUEST_RECEIVER_SETTLE_MODE: types.AMQPuInt(receive_mode)
}
self._populate_message_properties(message)
handler = functools.partial(mgmt_handlers.deferred_message_op,
receive_mode=self._receive_mode,
message_type=ReceivedMessage,
receiver=self)
messages = await self._mgmt_request_response_with_retry(
REQUEST_RESPONSE_RECEIVE_BY_SEQUENCE_NUMBER,
message,
handler
)
return messages
async def receive_deferred_messages(self, sequence_numbers):
# type: (List[int]) -> List[ReceivedMessage]
"""Receive messages that have previously been deferred.
When receiving deferred messages from a partitioned entity, all of the supplied
sequence numbers must be messages from the same partition.
:param list[int] sequence_numbers: A list of the sequence numbers of messages that have been
deferred.
:rtype: list[~azure.servicebus.aio.ReceivedMessage]
.. admonition:: Example:
.. literalinclude:: ../samples/async_samples/sample_code_servicebus_async.py
:start-after: [START receive_defer_async]
:end-before: [END receive_defer_async]
:language: python
:dedent: 4
:caption: Receive deferred messages from ServiceBus.
"""
self._can_run()
if not sequence_numbers:
raise ValueError("At least one sequence number must be specified.")
await self._open()
try:
receive_mode = self._mode.value.value
except AttributeError:
receive_mode = int(self._mode)
message = {
MGMT_REQUEST_SEQUENCE_NUMBERS:
types.AMQPArray([types.AMQPLong(s) for s in sequence_numbers]),
MGMT_REQUEST_RECEIVER_SETTLE_MODE:
types.AMQPuInt(receive_mode)
}
if self._session_id:
message[MGMT_REQUEST_SESSION_ID] = self._session_id
handler = functools.partial(mgmt_handlers.deferred_message_op,
mode=self._mode,
message_type=ReceivedMessage)
messages = await self._mgmt_request_response_with_retry(
REQUEST_RESPONSE_RECEIVE_BY_SEQUENCE_NUMBER, message, handler)
for m in messages:
m._receiver = self # pylint: disable=protected-access
return messages
def receive_deferred_messages(self, sequence_numbers, **kwargs):
# type: (Union[int,List[int]], Any) -> List[ServiceBusReceivedMessage]
"""Receive messages that have previously been deferred.
When receiving deferred messages from a partitioned entity, all of the supplied
sequence numbers must be messages from the same partition.
:param Union[int,List[int]] sequence_numbers: A list of the sequence numbers of messages that have been
deferred.
:keyword Optional[float] timeout: The total operation timeout in seconds including all the retries.
The value must be greater than 0 if specified. The default value is None, meaning no timeout.
:rtype: List[~azure.servicebus.ServiceBusReceivedMessage]
.. admonition:: Example:
.. literalinclude:: ../samples/sync_samples/sample_code_servicebus.py
:start-after: [START receive_defer_sync]
:end-before: [END receive_defer_sync]
:language: python
:dedent: 4
:caption: Receive deferred messages from ServiceBus.
"""
self._check_live()
timeout = kwargs.pop("timeout", None)
if timeout is not None and timeout <= 0:
raise ValueError("The timeout must be greater than 0.")
if isinstance(sequence_numbers, six.integer_types):
sequence_numbers = [sequence_numbers]
if len(sequence_numbers) == 0:
return [] # no-op on empty list.
self._open()
uamqp_receive_mode = ServiceBusToAMQPReceiveModeMap[self._receive_mode]
try:
receive_mode = uamqp_receive_mode.value.value
except AttributeError:
receive_mode = int(uamqp_receive_mode.value)
message = {
MGMT_REQUEST_SEQUENCE_NUMBERS: types.AMQPArray(
[types.AMQPLong(s) for s in sequence_numbers]
),
MGMT_REQUEST_RECEIVER_SETTLE_MODE: types.AMQPuInt(receive_mode),
}
self._populate_message_properties(message)
handler = functools.partial(
mgmt_handlers.deferred_message_op,
receive_mode=self._receive_mode,
receiver=self,
)
messages = self._mgmt_request_response_with_retry(
REQUEST_RESPONSE_RECEIVE_BY_SEQUENCE_NUMBER,
message,
handler,
timeout=timeout,
)
links = get_receive_links(messages)
with receive_trace_context_manager(
self, span_name=SPAN_NAME_RECEIVE_DEFERRED, links=links
):
if (
self._auto_lock_renewer
and not self._session
and self._receive_mode != ServiceBusReceiveMode.RECEIVE_AND_DELETE
):
for message in messages:
self._auto_lock_renewer.register(self, message)
return messages
