PaaS Community Blog

SOA Suite 12c: Actionable Emails with Human Task service by Lucas Jellema

February 8, 2015 1 Comment

It is my assumption that inbound and outbound emailing has been configured – for example for a GMail account – as described in these two articles: GMail for inbound mail in SOA Suite 12c and GMail for outbound mail in SOA Suite 12c and that test mails can be sent and received.

The steps are:

configure an email driver for SOA Suite for outbound and inbound emails
configure an email address (one of the inbound email accounts set up on the email driver configuration) for actionable emails
create a Human Task definition for a task that is configured as actionable; assign this task to a user who has an email configured in the LDAP directory
deploy the Human Task as part of a SOA Composite; invoke the composite to have the task assigned to the user
the user should receive a notification mail message regarding the task assignment with the option to act on the task by clicking a link in the email; clicking such a link will trigger a response email to the actionable email account with appropriate meta-data for the SOA Suite to interpret the response; the user can even add attachments and comments to this task response mail.

We assume the first setp has been taken care of. Once the email driver for the managed server running SOA Suite has been configured for outbound and inbound email interaction, there is really not a lot to do.

Open the menu SOA Administration | Workflow Properties: Read the complete article here.

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SOA Suite 12c: Getting started with the Spring Component by Maarten Smeets

February 7, 2015 1 Comment

The Oracle SOA Suite Spring component has been present since SOA Suite 11.1.1.3 (11gR1 PS2). This component allows easy integration of Java code with other SOA Suite components such as (among others) BPEL, BPM and Business Rules. In SOA Suite 12c (12.1.3.0) this component is still present. In This blog post I will provide a short example on how it can be used and how the first problem I encountered with this component can be avoided.

Implementation

First create a SOA Application and an empty project. Next create a Java class with a public method and extract an interface with the public method. You can also supply JARs in the SCA-INF/lib folder of the project with the class/interface.

The result in this example. The Java class extends the interface. Read the complete article here.

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ECID propagation between SCA composites and JAX-WS web services by Nicolas Fonnegra

February 6, 2015 1 Comment

The Oracle SOA Suite provides an Audit Trail monitor screen where the message flow between the different SCA composites can be tracked. Depending on the audit level, it can provide a very detailed chronology of the different states of the message, including the first component that receives the messages, its correspondent transformation along the way, and the routing it’s final destination. Nevertheless, a SOA platform is intended to integrate not only internal composites but also external components. The question is how to maintain the audit trail consistency in such scenarios?

The Oracle A-team posted a very helpful blog demonstrating how to propagate the ECID between JCA adapter calls in order to maintain the audit trail consistency. This blog is going to demonstrate how to achieve this result with JAXWS web services.

As the reader might have already figured it out, the key to this problem relies with the ECID. The execution context id (ECID) is the mechanism the SOA Suite uses to keep track of the messages as it passes between the different components. If an SCA calls another one, it will pass through the ECID, helping the audit trail to correlate the different component instances into one flow. Also, if instead of a SCA composite a JAXWS web service, the ECID will be passed in the SOAP header, more specifically in the ReplyTo element: Read the complete article here.

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Principles of SOA Suite Performance Tuning by C2B2

February 6, 2015 1 Comment

Part 1 of the Oracle SOA 11g Performance Tuning Webinar Series. Delivered by Steve Millidge, C2B2 Technical Director, on the 21st of January 2013.

C2B2 is running a new series of short and snappy educational webinars about Oracle SOA Suite 11g. Delivered by our experienced middleware consultants, the webinars provide insight and ideas for the performance tuning of Oracle SOA Suite 11g. Over the next few weeks we will take a bottom up walk through the middleware technology stack that makes up Oracle SOA Suite 11g, reviewing processes, tools and techniques for diagnosing performance problems at each layer.
Delivered by a performance tuning specialist the first part of our webinar series will introduce you to the principles of performance tuning large scale SOA infrastructures

Watch the video here.

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Throttling in SOA Suite via Parking Lot Pattern by Greg Mally

February 5, 2015 1 Comment

The Parking Lot Pattern has been leveraged in many Oracle SOA Suite deployments to handle complex batching, message correlation, and complex processing flows. One scenario that is a frequent topic of discussion is throttling SOA Suite so as not to overwhelm slower downstream systems. Most often this is accomplished via the tuning knobs within SOA Suite and WebLogic Server. However, there are times when the built-in tuning cannot be tweaked enough to stop flooding slower systems. SOA design patterns can be leveraged when product features do not address these edge use cases. This blog will focus on using The Parking Lot Pattern as one implementation for throttling. Also note a working example is provided.

Throttling Parking Lot

The key piece to this pattern is the database table that will be used for the parking lot. The table is very simple and comprised of 3 columns:

Column

Description

ID (NUMBER)

This is the unique ID/key for the row in the table.

STATE (VARCHAR)

This will be used for state management and logical delete with the database adapter. There are three values this column will hold:
1.	N – New (Not Processed)
2.	P – Processing (In-flight interaction with slower system)
3.	C – Complete (Slower system responded to interaction)
The database adapter will poll for ‘N’ew rows and will mark the row as ‘P’rocessing when it hands it over to a BPEL process.

PAYLOAD (CLOB)

The message that would normally be associated with a component is stored here as an XML clob.

The Use Case Flow

Without the parking lot, the normal flow for this use case would be:

1.	Some client applications call SOA Suite via Web Service, JMS, etc.
2.	An asynchronous BPEL instance is created and invokes the slower system for every client request within the tuning parameters of the SOA engine
3.	The slower system cannot handle the volume and gets flooded

How the flow is changed with the parking lot:

1.	Some client applications call SOA Suite via Web Service, JMS, etc.
2.	Each client request is inserted into the parking lot table as an XML clob with STATE = ‘N’.
3.	A composite containing a polling database adapter will select 1 row with STATE = ‘N’ and the count of rows with STATE = ‘P’ are less than a throttle value (e.g., 5).
4.	If the in-flight interactions with the slower system are less than the throttle value, the database adapter gets the next available row and marks it as being processed (STATE = ‘P’).
5.	This row is handed off to an asynchronous BPEL process that will invoke a different BPEL process responsible for interacting with the slower system.
6.	When the slower system responds and this response propagates back to the initiating BPEL process, the row is marked as complete (STATE = ‘C’).
7.	Go to step 3 until all records have been processed.

The throttle control value represents the maximum number of in-flight BPEL processes that are interacting with the slower system. We will see later how this value can be changed at runtime through the SOA Suite Enterprise Manager console.

Read the complete article here.

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SOA Suite 12c Demo GSE just got more valuable with Internet Accessible Demos and Customer Guest Access

February 5, 2015 Leave a comment

Request access to our middleware demo systems here

GSE Provides

• A platform to demo Oracle products in an enterprise setting – the way Oracle is meant to be used

• Easily accessible, fast performing, refreshed canned demos

• Demo environments (deal servers) that can be customized to your customers needs

• Workshops

Increase SC productivity – Less time building demos and more face time with customers.

GSE helps win deals for Oracle

GSE Website is now Internet Facing

What this means? External Site – https://demo.oracle.com

Latest demos which are DemoWeb Complaint can be access on Internet. DemoWeb compliant environments can now be accessed directly from your using your Single Sign-On (SSO) Access demos from customer site without VPN. Partners also access demos from the unified internet facing website https://demo.oracle.com

Close Deals Faster with Customer Demo Access (Guest Access)

GSE Guest Demo Access provides SCs and other Oracle employees the ability to give customers secure browser

Provide Guest Access to Customers and Partners without OPN account

Any Oracle Employee with an ADSWeb account can create a guest access request. Create a reservation and request for guest access. More Details on Demo Store

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2 Minute Tech Tip: Continous Integration with Oracle Fusion Middleware 12c

February 4, 2015 Leave a comment

Taking advantage of the continuous integration capabilities in Oracle Fusion Middleware 12c "will make your life a lot easier," says Oracle ACE Director Ronald van Luttikhuizen. Watch the video here.

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Upgrading Oracle SOA/BPM Suite from 11g to 12c by Danilo Schmiedel

February 4, 2015 1 Comment

Get the presentation here.

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Tame the Cloud Integration Beast

February 3, 2015 Leave a comment

View the eBook: Integrate the Cloud.
Software as a service is widely known for its ease of deployment. Less understood is the integration rat’s nest that can result when many SaaS applications are introduced within a company without a cohesive strategy.

Dain Hansen, director of integration product marketing for Oracle, says problems result when organizations bring in various cloud apps without a well-planned strategy that also takes into account on-premise software and systems.

"It’s just so hard to get things to talk together," says Hansen.

SaaS offerings have become very popular because they can be implemented quickly and easily by business units and individual users. Yet, because some of that implementation is outside the purview of IT organizations and others are simply stand-alone, it has led to a proliferation of online technology assets that are isolated from on-premise systems, unable to tap into valuable data stores or other sources of business expertise. Read the complete article here.

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