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- startPhase is configured in composition definition element and defines the order of execution of instance elements;
- Any instance element is executed only once;
- All instance elements whit same startPhase are executed at same time in parallel;
- startPhase is used by deploy and unlock; startPhase in reverse order is used by lock, undeploy and delete;
Alternative flow with stepPhase
To maintain the backward compatibility, we are introducing a new property stepPhase.
- Still valid the startPhase definition for backward compatibility;
- Using startPhase and stepPhase in a composition definition is not valid;
- stepPhase is configured in composition definition element;
- Any composition definition element could have different sptePhase for each operation: for example the order for deploy could different for migrate;
- Any instance element could be executed more then one time;
- All instance elements whit same stepPhase are executed at same time in parallel;
Example of composition definition element stepPhase property:
| Code Block | ||
|---|---|---|
| ||
properties:
stepPhase:
- deploy: [1]
- migrate: [1,2]
- undeploy: [2]
- delete: [2] |
During the execution of the operation how the user is able to see the steps executed by the instance element?