diagram

stateDiagram-v2
    [*] --> Triggered: PRODUCT_DATA_MERGE_TRIGGERED
    Triggered --> Saved: New task
    Triggered --> Discarded: Unprocessed task exists
    Triggered --> SavedButNotQueued: Processing task exists
    Discarded --> End
    Saved --> Queued
    Queued --> Started: PRODUCT_DATA_MERGING
    Started --> Succeeded: PRODUCT_DATA_MERGED
    Started --> Failed: PRODUCT_DATA_MERGE_FAILED
    Succeeded --> Finished
    Failed --> Finished
    Finished --> Queued: Unprocessed task detected
    Finished --> End: No unprocessed task detected
    End --> [*]