Page Comparison

How startPhase is currently implemented

• 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;

Example using the Demo. The table below shows the startPhase for each Composition Definition Element

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The diagram below shows the flow of messages:Note:

• 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 "stage"

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• Still valid the startPhase definition for backward compatibility;
• Using startPhase and stage in a composition definition is not valid;
• stage is configured in composition definition element;
• Any composition definition element could have different sptePhase stage 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 stage are executed at same time in parallel;
• stage has not reversal order.

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properties:
  stage:
    - deploy: [0,1]
    - migrate: [0,2]
    - update: [0]
    - undeploy: [10]
    - delete: [10]

All not defined operations will be set to 0.

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    /**
     * Handle an update on a automation composition element.
     *
     * @param compositionElement the information of the Automation Composition Definition Element
     * @param compositionElementTarget the information of the Automation Composition Definition Element Target
     * @param instanceElement the information of the Automation Composition Instance Element
     * @param instanceElementMigrate the information of the Automation Composition Instance Element updated
     * @param stage the stage to perform
     * @throws PfModelException from Policy framework
     */
    void migrate(CompositionElementDto compositionElement, CompositionElementDto compositionElementTarget,
            InstanceElementDto instanceElement, InstanceElementDto instanceElementMigrate, Integer stage) throws PfModelException;

Note: instanceElement will contain the old properties only in the first call, if required we can implement old properties for each stage.

When an instance element has completed a stepstage, not means that the full implementation execution is completed (DEPLOYED state).

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    /**
     * Update the stage of a automation composition element.
     *
     * @param automationCompositionIdinstanceId the ID of the automation composition to update the state on
     * @param elementId the ID of the automation composition element to update the state on
     * @param stateChangeResult the indicator if error occurs
     * @param nextStage the next stage to do
     * @param message the message
     */
      void updateAutomationCompositionElementStage(UUID automationCompositionIdinstanceId, UUID elementId, StateChangeResult stateChangeResult, Integer nextStage, String message);

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                "709c62b3-8918-41b9-a747-d21eb79c6c23": {
                    "id": "709c62b3-8918-41b9-a747-d21eb79c6c23",
                    "definition": {
                        "name": "onap.policy.clamp.ac.element.Http_SinkAutomationCompositionElementSefAutomationCompositionElement",
                        "version": "1.2.3"
                    },
                    "participantId": "101c62b3-8918-41b9-a747-d21eb79c6c91",
                    "deployState": "DEPLOYINGMIGRATING",
                    "stage": 12,
                    "lockState": "NONELOCKED",
                    "description": "SinkSef Automation Composition Element for the Demo",
                    "message": "Stage 0 completed",