Jarvis Pizzeria: The various Decisions of a Decision Model by Richard Olrichs & Marcel van de Glind & Marc Kuijpers

In one of our next posts we will implement the Decision Model in the Order Process. Before we do that we first explain the various type of decisions that are available for a Decision Model.
The Decision Model editor in PCS (Process Cloud Service) or the later OIC (Oracle Integration Cloud) supports the DMN (Decision Modeling Notation) standard version 1.1, and uses FEEL (Friendly Enough Expression Language) to make decision modeling easier and more intuitive.
In DMN all decision logic is represented as ‘boxed expressions’. A ‘boxed expression’ is a graphical notation for decision logic. Within OIC we recognize the following boxed expressions: Read the complete article here.

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Jarvis Pizzeria: Activating activities and attaining milestones by Richard Olrichs & Marcel van de Glind & Marc Kuijpers

In our previous blogs we have given a brief overview of the look-and-feel of the dynamic process possibilities within PCS. In this blog we take a dive into the activation of activities, how milestones can be attained and how rules are configured to make sure that the correct actions are triggered when conditions are met.
Let’s take a look at our dynamic Jarvis overview first. In the picture below we came up with three stages: ordering, preparation and delivery.

Obviously we start the preparation phase after the ordering stage has completed. This configuration is shown below: Read the complete article here.

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Jarvis Pizzeria: The logic underneath the Dynamic Process by Richard Olrichs & Marcel van de Glind & Marc Kuijpers

In our previous blog we have made the first set up of our dynamic process. We created several stages and had the first processes, human tasks and milestones in there. Now that we have the first draft of the dynamic process, it is time to actually call some processes and human tasks from our dynamic process.
In this blog we will explain how that is done. We already had imported the Preparation Process Application. But the delivery and payment are not part of this application. They are part of the overall Jarvis Pizzeria application. So before this blog, we also imported the Jarvis 1.0 application and the DeliveryDM to the new integration cloud.
When we click the edit pencil of the ‘Prepare Pizza’ step, on the right hand side, we get to see the properties of this step. Under the Process section, we select the ‘PizzaPreparationProcess’ and the ‘start’ as start event.

We repeat these steps for all the processes we want to call, for example to do the delivery we call the existing start event from the DeliveryProcess. Read the complete article here.

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Jarvis Pizzeria: Setting up the Dynamic Process by Richard Olrichs & Marcel van de Glind & Marc Kuijpers

In this blog we will implement a first version of the preparation of an order using a dynamic process. We continue where blog one stopped. The imported order process is extended with an example dynamic process.

We open the DynamicOrderProcess, which should still contains the example. We will build this so that it contains the Pizza ordering process. However, when opening the Process, we can see that the example is no longer there. Apparently, the example is not saved, maybe because we did not make any changes to it? Let’s create the example again, and then change it immediately.
The first step we take to make it our own is to define the stages. Rename the ‘First Stage’ in ‘Ordering’. The ‘Second Stage’ in ‘Preparation’ and add another third stage ‘Delivery’.
For changing the name of a stage, select the pencil in the title bar to get to to properties.
In there change the name. Use the add icon just above the pencil to add the third stage.

Now let’s save our changes and see what happens to this modified ‘example’. We close the Dynamic process, and then open it again.
However, our changes have disappeared as well. The whole example is gone once again. How is that possible? Is something thoroughly wrong with the application or is an example application just an example, and can it not be saved? Anyway, it is good to realize the example application is there as an example and not like a QuickStart application.
So let’s restart again. Now we will not create an example, but just add the different stages.
After doing this, yet again, let’s put it to the test. We save our application, close it and reopen it. Yeah! Alright! Now the changes persists, so it does have something to do with the example mode. Read the complete article here.

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Is BPM Dead, Long Live Microservices? By Luis Weir

With the massive uptake of Microservices Architecture -industry wide- and with it, the adoption of patterns such as Event Sourcing, CQRS and Saga as the means for Microservices to asynchronously communicate with each and effectively "choreograph" business processes, it might seem as if the days of process orchestration using BPM engines (e.g. Oracle Process Cloud now also part of Oracle Integration Cloud, Pega, Appian, etc) or BPEL (or BPEL-like) engines are over.

Although the use of choreography and associated patterns (such as the aforementioned) makes tons of sense in many use cases, I’ve come across a number of them where choreography can be impractical.

Some examples:

• Data needs to be collected and aggregated from multiple services -e.g. check the Microservice.io Composition pattern. Note that this pattern doesn’t necessarily implies that an orchestration is required. Could be that data is collected and aggregated (not transformed) into a single response. But if data collected from multiple sources needs to also be transformed into a common response payload, then it feels pretty close to one of the typical use cases for orchestration.
• The process is human-centric and can’t be fully automated. Basically at some point a human has to take an action in other for the process to complete (e.g. approval of a credit card application, or a credit check) -BPM/Orchestration tools tend to be quite good at this.
• There is a need to have very clear visibility of the end to end business processes. In traditional BPM tools, this is fairly straight forward, with Choreography / Events, although possible to monitor individual events, a form of correlation would be required to build an end to end view on the status of a business process. Read the complete article here.

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