Workspace Puzzles

Level 7: Fix: Music Streaming App Chaos

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Level 7Fix: Music Streaming App Chaos

Level 7·Intermediatefix

Fix: Music Streaming App Chaos

Diagram Debugging

Scenario

A streaming platform has a Subscriber actor. "Stream Song" requires "Authenticate User" (mandatory). When streaming a song, a subscriber can optionally "Download for Offline Play". However, the edges are totally scrambled! Clean up the incorrect relationship types and directions.

Objective

1. Replace the invalid generalization between Subscriber and Stream Song with an Association. 2. Change the relationship to Authenticate User to «include». 3. Orient «extend» properly from Download for Offline Play to Stream Song.

Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.

Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.

Diagram Inspector

1Actors

3Cases

1Bounds

3Links

Layout & Routing