Design Mode: Combination Mode

Design Mode: Combination Mode

Blog purpose: Use graphs to speak

Auxiliary text description:

1. Call method: Use component. method () in the Client ();

2. Scope of use: Aggregation and combination with the same structure.

Example:

Generate the Condition Statement: when avg (cpu)> 60% or avg (mem)> 70% for 3 min then do scale up. for avg (cpu)> 60%, avg (mem)> 70%, or other condition statements, the number is not fixed. They are connected by and or and are customized by the user.

The combination mode is used here:

Part: avg (cpu)> 60%

Component is avg (cpu)> 60% or avg (mem)> 70%

Composit is the aggregation of components and parts, for example, avg (io)> 80% and (avg (cpu)> 60% or avg (mem)> 70%)

The corresponding UML diagram is as follows:

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