| """ Other useful structs """ |
| from __future__ import absolute_import |
|
|
| from collections import namedtuple |
|
|
|
|
| """A topic and partition tuple |
| |
| Keyword Arguments: |
| topic (str): A topic name |
| partition (int): A partition id |
| """ |
| TopicPartition = namedtuple("TopicPartition", |
| ["topic", "partition"]) |
|
|
|
|
| """A Kafka broker metadata used by admin tools. |
| |
| Keyword Arguments: |
| nodeID (int): The Kafka broker id. |
| host (str): The Kafka broker hostname. |
| port (int): The Kafka broker port. |
| rack (str): The rack of the broker, which is used to in rack aware |
| partition assignment for fault tolerance. |
| Examples: `RACK1`, `us-east-1d`. Default: None |
| """ |
| BrokerMetadata = namedtuple("BrokerMetadata", |
| ["nodeId", "host", "port", "rack"]) |
|
|
|
|
| """A topic partition metadata describing the state in the MetadataResponse. |
| |
| Keyword Arguments: |
| topic (str): The topic name of the partition this metadata relates to. |
| partition (int): The id of the partition this metadata relates to. |
| leader (int): The id of the broker that is the leader for the partition. |
| replicas (List[int]): The ids of all brokers that contain replicas of the |
| partition. |
| isr (List[int]): The ids of all brokers that contain in-sync replicas of |
| the partition. |
| error (KafkaError): A KafkaError object associated with the request for |
| this partition metadata. |
| """ |
| PartitionMetadata = namedtuple("PartitionMetadata", |
| ["topic", "partition", "leader", "replicas", "isr", "error"]) |
|
|
|
|
| """The Kafka offset commit API |
| |
| The Kafka offset commit API allows users to provide additional metadata |
| (in the form of a string) when an offset is committed. This can be useful |
| (for example) to store information about which node made the commit, |
| what time the commit was made, etc. |
| |
| Keyword Arguments: |
| offset (int): The offset to be committed |
| metadata (str): Non-null metadata |
| """ |
| OffsetAndMetadata = namedtuple("OffsetAndMetadata", |
| |
| ["offset", "metadata"]) |
|
|
|
|
| """An offset and timestamp tuple |
| |
| Keyword Arguments: |
| offset (int): An offset |
| timestamp (int): The timestamp associated to the offset |
| """ |
| OffsetAndTimestamp = namedtuple("OffsetAndTimestamp", |
| ["offset", "timestamp"]) |
|
|
| MemberInformation = namedtuple("MemberInformation", |
| ["member_id", "client_id", "client_host", "member_metadata", "member_assignment"]) |
|
|
| GroupInformation = namedtuple("GroupInformation", |
| ["error_code", "group", "state", "protocol_type", "protocol", "members", "authorized_operations"]) |
|
|
| """Define retry policy for async producer |
| |
| Keyword Arguments: |
| Limit (int): Number of retries. limit >= 0, 0 means no retries |
| backoff_ms (int): Milliseconds to backoff. |
| retry_on_timeouts: |
| """ |
| RetryOptions = namedtuple("RetryOptions", |
| ["limit", "backoff_ms", "retry_on_timeouts"]) |
|
|
