Jarvis Pizzeria: Third step in Implementing the Order Processing, Correlation

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In our blog entries the First Step and the Second Step there was described how multiple pizza’s could be prepared using a multi-instance subprocess. Although we saw this working correctly, the subprocess was configured to prepare pizzas sequentially, see the screenshot below:

However, due to the success of the Jarvis Pizzeria, new equipment was purchased. Two brand new ovens were installed, enabling the Jarvis enterprise to prepare three pizza’s simultaneously…awesome!

To make optimal use of our equipment we should configure the process to prepare pizzas in parallel, see the screenshot below:

Those of you who have worked with multiple asynchronous calls from the same process (or even BPEL, back in the days) should remember the need for correlating the invocation with the corresponding callback.

Lets first try this with setting up message based correlation. I.e. from the calling process we initiate a correlation with a unique key which is send to the called process. The called process returns this unique key and hence the calling process knows on which callback it has to wait.

In the properties of the “Start of Preparation” activity we have the option to initialize the correlation: 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

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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. Read the complete article here.

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Jarvis Pizzeria: Getting Started with Dynamic Processes (ACM) by Richard Olrichs & Marcel van de Glind & Marc Kuijpers

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Getting started with the new integration cloud, the cloud that brings ICS, VBCS and PCS together. But it also includes the introduction of dynamic processes, Oracle’s new approach for adaptive case management. This introductory blog consists mainly of an overview of the different parts of dynamic processes. In addition, some differences between PCS and the Integration Cloud are discussed.

First step: import the Jarvis Pizza Preparation application. The location of this menu option is changed but the functionality is not. So we do this in two quick steps. Read the complete article here.

 

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Jarvis Pizzeria in Case Management Style by Richard Olrichs & Marcel van de Glind & Marc Kuijpers

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As our business grows and our digitalization kicks in, it is time to reevaluate our process setup. We are happy with our processes in Process Cloud, they are easy to set up and we can manage our process from Ordering a Pizza al the way through to delivery.

However as with any BPMN, this a very structured process. Sometimes we require a bit more flexibility.

We had a good chat with our friends from Oracle and we were very pleased to hear that our wish to become more flexible aligned with their plans for PCS. We were thinking towards a Case Management solution for our pizzas and got a very satisfying answer.

In October 2017, Oracle released the Oracle Integration Cloud (OIC), not to be confused with the Integration Cloud Service (ICS). The Integration Cloud brings together several Low Code products. VBCS, Visual Builder Cloud Service, for developing user interfaces, ICS, Integration Cloud Service, for creating your integrations in the Oracle Cloud. Stream Analytics, for smart analytics on your integrations & processes. And last, but certainly not least PCS, Process Cloud Service, that in their new release includes Dynamic Processes. These Dynamic Processes have a lot of Case Management features and have a notation that feels a lot and reminds us of CMMN. Read the complete article here.

 

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BPM 12.2.1.3: Exception when deploying BPM project with Human tasks by Martien van den Akker

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This week I deliver a BPM 12c Workshop, that I based on the 12.2.1.3 BPM QuickStart. When the students worked on the lab on Human Workflow, they hit an error deploying the Composite, where in the log you can find something like:

Apparently in the repository of 12.2.1.3 a column is missing in the Workflow Metadata table.
Luckily, I stumbled upon a question in the community.oracle.com forum that hit this ‘bug’ as well; and provided a solution. You need to do an alter table to resolve this:

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ALTER TABLE SOAINFRA.WFTASKMETADATA ADD PACKAGENAME varchar (200);

The smart guy that provided the answer, used a separate Database UI tool. But fortunately, JDeveloper is perfectly capable to provide you de means as well.
First open the Resource Pallette in JDeveloper. Make sure that you have started your Integrated WebLogic already (since that will run the DerbyDB.
Then in the Resource Pallette, create a new Database Connection: Read the complete article here.

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Jarvis Pizzeria: Creating a Custom Tasklist for PCS by Richard Olrichs & Marcel van de Glind & Marc Kuijpers

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So within Process Cloud Service (PCS) we have already shown the tasklist a couple of times. This is the default tasklist that comes with the product. You can use the left hand side filters and handle the actions in the tasks within the task screens.

However, as with all of the ‘one-size-fits-all’ solutions, the tasklist might not be exactly what you need for your organisation or use-case. In this case it is good to know, that you can create your own custom tasklist.

This compares to what we see at customers using BPM Suite on premises. We use a lot of features from BPM, but usually not the Worklist/Workspace that comes out of the box with BPM. Since there is an SOAP API to call your tasks, it is quite easy to talk to this API and create your custom tasklist in the on-premises world.

For PCS, we do not have SOAP APIs, but we do have REST APIs, if there is any need to create a custom tasklist, you can use these APIs to; Start an application, query for tasks, query for task details, handle the payload or outcome and much more. Read the complete article here.

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Which Oracle OpenWorld 2018 PaaS session should you attend?

In case you attend Oracle OpenWorld 2018 below focus-on documents, key session, hands-on labs and exchange demo ground overview information helps you to choose your PaaS session. For an OpenWorld preview and all details please visit the on-demand webcast here. In case you can’t make it to San Francisco visit the Oracle OpenWorld website and watch keynotes live & on-demand.

Focus-On Documents – OpenWorld 2018

Analytics

Application Development @ OpenWorld

Application Integration

Application Integration and Data Integration

Artificial Intelligence (across all tracks)

Big Data

Blockchain

Cloud Native

Cloud at Customer

Cloud Development Tools

Data Integration

Data Science

Digital Assistant & Mobile

Enterprise Cloud Architecture

Identity & Security

Oracle Cloud Platform for Oracle SaaS

Oracle Management Cloud

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Good trip to San Francisco, and see you at the Community Reception.

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PaaS (Process & Integration) Partner Community Newsletter October 2018

Dear PaaS Partner Community

Are you ready for Oracle OpenWorld 2018? For some tips to prepare please watch the monthly YouTube update. We would like to celebrate the PaaS success with you at our Oracle OpenWorld 2018 Reception on Monday October 22nd 2018. In case you can’t attend please join our monthly Oracle OpenWorld 2018 PreviewPaaS Partner Community Webcast – October 11th 2018.

Oracle iPaaS market share by revenue grew 270 percent between 2016 and 2017, according to Gartner report. With 162 Million USD Dollar revenue in 2017 Oracle is now the second largest iPaaS provider. Big thanks to the partner community for making our joint customers successful.

An excellent training which provides the complete PaaS overview as the Innovate & Integrate and Extend SaaS Bootcamps across EMEA. For developers we offer the local Meetup groups.

Thanks to the community for sharing all the Integration articles: API-Key Based Authentication: Quickly and Easily & Enabling the Future Today – Feature Flags in Oracle Integration Cloud & PeopleSoft Integration using Oracle Integration Cloud – Part 1 & PeopleSoft Integration using Oracle Integration Cloud – Part 2 & Advanced HCM data loader (HDL) processing using OIC HCM adapter & How to use Litmus to create OIC Integration unit tests automatically and run them to catch regressions & Using a Library in OIC & How to enable and use Tracing in less than 5 min & Overriding Schedule Parameters & CRUD Operation in Oracle Integration Cloud (Part-1) & Stripping off the ECID Header using Oracle Traffic Director.

In the BPM section Eduardo published What is the value and use cases of Robotic Process Automation (RPA) in the Process Automation space? And Andre how to shift workload from on-premises BPM Suite to Oracle Integration Cloud.

Thanks to the community for sharing all innovation articles: Breaking down AI-infused Oracle Autonomous Cloud services & How Blockchain Could Transform Telecommunications.

For a short summery of our key monthly information watch the Fusion Middleware & PaaS Partner Updates on YouTube. The October edition highlights the new pricing to Innovate, Extend and Integrate SaaS and Oracle OpenWorld. This month’s community webcast will be a preview of OOW 2018, please join our monthly PaaS Partner Community Webcast – October 11th 2018.

Want to publish your best practice article & news in the next community newsletter? Please feel free to send it via Twitter @soaCommunity #PaaSCommunity!

 

To read the newsletter please visit www.tinyurl.com/PaaSNewsOctober2018 (OPN Account required)

Please like and share the newsletter at Twitter and LinkedIn

Jürgen Kress

PaaS Partner Adoption
Oracle EMEA
Tel. +49 89 1430 1479
E-Mail: juergen.kress@oracle.com
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To become a member of the SOA Partner Community please register at http://www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center.

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Jarvis Pizzeria: Second step in Implementing the Order Processing, Multi Instance Subprocess by Richard Olrichs & Marcel van de Glind & Marc Kuijpers

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In the post ‘First step in Implementing the Order Processing, Interface Definition‘ we introduced the Pizza Order process. In this blog we will implement the next part of the Order Preparation process. We will add the call out to the Pizza Preparation process from the multi instance subprocess.

The first thing we need to do is feed every instance of the subprocess with the details of one pizza. For the outcome of the subprocesses we also need a storage location.

As a recap, an order consists of customer details and a list of pizzas to be made:

The order outcome is a list of status outcomes for each pizza.

We had already defined the data objects (DO’s) for these BO’s. Now we are going to associate them with the subprocess. For this we open the properties of the subprocess. Associated the DO’s to the consume and result of the subprocess (as shown on the right side of the image below). Now also make sure that the subprocess instantiates sequentially. Read the complete article here.

 

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Jarvis Pizzeria: Send Task vs Throw Message Event by Richard Olrichs & Marcel van de Glind & Marc Kuijpers

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Now that many of you are acquainted implementing BPM(N) processes, one should have noticed that there are multiple roads leading to the same goal while implementing a business process. One example is the invocation of an asynchronous service. This can either be done with a Send Task or a Message Throw Event. This blog tells about the difference between those two activities within PCS and when you should pick one over the other.image

Let’s discuss the Send Task first. The Send Task lets you: instantiate a process, trigger a Receive Task in the middle of a process, or trigger a Message Catch event. Furthermore, the Send Task allows to attach boundary events to it. In other words, you can either attach an error boundary event to a Send Task as well as a Timer Catch Event. The former implies that the process that is invoked by the Send Task propagates its faults to the calling process.

How about the Message Throw Event? Well, it is nearly the same as the Send Task except that one is not able to attach boundary events to it and the calling process won’t be notified upon failures in the called process. Read the complete article here.

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