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State

State Structure Specification

Within Bacalhau, the State structure is designed to represent the status or state of an object (like a Job), coupled with a human-readable message for added context. Below is a breakdown of the structure:

State Parameters

  1. StateType (T : <required>): Represents the current state of the object. This is a generic parameter that will take on a specific value from a set of defined state types for the object in question. For jobs, this will be one of the JobStateType values.
  2. Message (string : <optional>): A human-readable message giving more context about the current state. Particularly useful for states like Failed to provide insight into the nature of any error.

Job State Types

When State is used for a job, the StateType can be one of the following:

  1. Pending: This indicates that the job is submitted but is not yet scheduled for execution.
  2. Running: The job is scheduled and is currently undergoing execution.
  3. Completed: This state signifies that a job has successfully executed its task. Only applicable for batch jobs.
  4. Failed: A state indicating that the job encountered errors and couldn't successfully complete.
  5. JobStateTypeStopped: The job has been intentionally halted by the user before its natural completion.

The inclusion of the Message field can offer detailed insights, especially in states like Failed, aiding in error comprehension and debugging.