| Name | Type |
|---|---|
| channels | str | list[str] |
| triggers | Sequence[str] |
| mapper | Callable[[Any], Any] | None |
| writers | list[Runnable] | None |
| tags | list[str] | None |
| metadata | Mapping[str, Any] | None |
| bound | Runnable[Any, Any] | None |
| retry_policy | RetryPolicy | Sequence[RetryPolicy] | None |
| cache_policy | CachePolicy | None |
| is_error_handler | bool |
| error_handler_node | str | None |
| subgraphs | Sequence[PregelProtocol] | None |
| timeout | float | timedelta | TimeoutPolicy | None |
The retry policies to use when invoking the node.
A node in a Pregel graph. This won't be invoked as a runnable by the graph itself, but instead acts as a container for the components necessary to make a PregelExecutableTask for a node.
