Welcome Five Cool Use Cases for the Spring component of the

2012 © Trivadis

BASEL BERN LAUSANNE ZÜRICH DÜSSELDORF FRANKFURT A.M. FREIBURG I.BR. HAMBURG MÜNCHEN STUTTGART WIEN

Welcome Five Cool Use Cases for the Spring component of the Oracle SOA Suite Guido Schmutz

UKOUG Conference 2012

3.12.2012

3.12.2012 Five Cool Use Cases for the Spring component of the Oracle SOA Suite

2012 © Trivadis

Guido Schmutz

•  Working for Trivadis for more than 15 years

•  Oracle ACE Director for Fusion Middleware and SOA •  Co-Author of different books •  Consultant, Trainer Software Architect for Java, Oracle, SOA

and EDA •  Member of Trivadis Architecture Board •  Technology Manager @ Trivadis

•  More than 20 years of software development experience

•  Contact: [email protected] •  Blog: http://guidoschmutz.wordpress.com •  Twitter: gschmutz


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Agenda

1.  Introduction

2.  How does the Spring component work

3.  The use cases

4.  Summary


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Different strategies for integrating Java in SOA Suite

Java Embedding in BPEL

Java Callout in Mediator/Oracle Service Bus

Custom BPEL/XPATH Functions

JAX-WS or JAX-RS Web Services (SOAP / REST services)

EJB Services

JMS Adapter/Transport and Message Driven Bean (MDB)

Custom JCA Adapter or Custom OSB Transport

Spring Component

“When Java meets SOA”: https://blogs.oracle.com/rammenon/entry/java_and_soa_suite


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SOA Suite 11g Overview


Unified Runtime

BPMN

Policy Manager Optimized

binding

Human Workflow

(+AMX, AG, Orgn)

Business Rules

Oracle Service Bus

Common JCA-based connectivity infrastructure

Repository

EM console +BPMN Screens

BAM

B2B

Mediator

Workspace Process Portal (WC spaces)

MS Office

BPM Studio (with Business and IT views)

Shared BPMN Model

Business View

BPA BPMN 2.0, BPEL

Rich End User Interaction Web based customization

Process Composer

BPEL

Process Analytics

Proc Cubes

Spring

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Spring Service Component

The Spring Framework is a lightweight container using “plain old Java objects” (POJOs)

WebLogic SCA enables the usage of the Spring Framework and to expose components as SCA services and references

SCA extends Spring framework capabilities

•  Publish spring beans as SCA component services

•  Provide references to Spring beans wired to services of other components

Following types of component integrations are supported

•  Java components to WSDL components

•  WSDL components to Java components

•  Java components to Java components


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Agenda

1.  Introduction


3.  The use cases

4.  Summary


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The HelloWorldImpl POJO used inside a Spring component

Hello World

Five Cool Use Cases for the Spring component of the Oracle SOA Suite

Lessons learnt: Make sure to compile classes before wiring!

3.12.2012

2012 © Trivadis

<sca:service> Element

Declares a Spring bean that SCA exposes as a service

Takes the following attributes:

•  Name §  the name of the service (required)

•  Type §  The fully qualified Java type of the Java class to be exposed as an SCA service

(required)

•  Target §  The bean to be exposed as a service (required)

Five Cool Use Cases for the Spring component of the Oracle SOA Suite 3.12.2012

2012 © Trivadis

<sca:reference> Element

Declares a Spring bean representing an SCA service external to the Spring application context

Takes the following attributes:

•  Name §  The name of the reference (required)

•  Type §  The fully-qualified Java type of the interface or class representing the remote service

(required)

•  Default §  The target bean for the reference if none is specified (optional)

Five Cool Use Cases for the Spring component of the Oracle SOA Suite 3.12.2012

2012 © Trivadis

Using the Predefined Beans

The following spring beans are predefined in SOA Suite:

•  headerHelperBean – for getting an setting header properties

•  instanceHelperBean – for getting Instance ID of composite and component, name of the Spring service component

•  loggerBean – for providing context-aware logging message

You can also define your own Spring beans globally => see use case 3


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Agenda

1.  Introduction


3.  The use cases §  Case 1 - Configuration

4.  Summary


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Case 1 – Configuration: Within SOA Suite

Use Case: Need configuration properties which are changeable at runtime

Within a SCA Composite preferences can be declared

•  Has to start with bpel.preference

Use ora:getPreference('greetingMessage')from within BPEL

Restriction: Only scalar values are supported! Can only be accessed from a BPEL component.


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Case 1 – Configuration: Within SOA Suite

Values can be changed through System MBean Browser in EM §  oracle.soa.config > Server : soa_server1 > SCAComposite > your_project >

SCAComposite.SCAComponent > your bpel_process


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Case 1 – Configuration: using Spring and JMX


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Agenda

1.  Introduction


3.  The use cases §  Case 2 – Dynamic Routing

4.  Summary


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Case 2 – Dynamic Routing: Using Spring bean for subscription


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Case 2a – Dynamic Routing: Using Spring bean for subscription


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Case 2a – Dynamic Routing: Using Spring bean for subscription


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Agenda

1.  Introduction


3.  The use cases §  Case 3 – NoSQL

4.  Summary


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Case 3 – NoSQL: What is NoSQL?

NoSQL is a new class of databases

They don‘t use the relational data model and thus don‘t use SQL

Tend to be designed to run on cluster

Schema-Less - Don‘t have a fixed schema, allowing to store any data in any record

Different types of NoSQL databases •  Key/value •  Column Family •  Document •  Graph

For more info, attend my other presentation: NoSQL Databases for Implementing Data Services – Should I Care? – Tuesday, 15:10 – 16:10 – Hall 10a


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Case 3 – NoSQL: MongoDB Integration through Spring


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Case 3a – NoSQL: MongoDB Logging Bean


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Define bean in the global spring context (custom predefined bean) so that logging is globally available

1.  Add the bean definition here §  SOA_HOME/soa/modules/oracle.soa.ext_11.1.1/classes/ springse-extension-global-beans.xml

2.  Add the corresponding classes in either the lib or classes directory

3.  Run the ant script and restart server (more information in readme.txt)


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Usage of the custom bean in the global spring context


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Agenda

1.  Introduction


3.  The use cases §  Case 4 – Twitter

4.  Summary


Please follow me on twitter to get the full experience J Twitter User: gschmutz

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Send a Twitter message to @gschmutz with the hash tags #ukoug and #springtalk …… to get the link to the slides


@gschmutz Cool stuff dude! Pls send me the link to the slides! #ukoug #springtalk

@gschmutz #ukoug #springtalk please!

@gschmutz #ukoug #springtalk this is so wrong! Send me that electronic trash!

@gschmutz #ukoug #springtalk Oracle SOA Suite and Spring rocks!

@gschmutz #ukoug #springtalk this is really cool!

@gschmutz #ukoug #springtalk

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Case 4 – Twitter: Send an Update Message


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Case 4a – Twitter: Process Mentioned Messages and send message with link to slides J


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Agenda

1.  Introduction


3.  The use cases §  Case 5 – …

4.  Summary


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Case 5: so many more ideas …. And not enough time

•  Invoking Spring Batch

•  Invoking Hadoop Processing

•  Groovy Script integration (i.e. XML ó JSON)

•  Read/Write Excel

•  Create PDF

•  Submit to Evernote

•  Message Enrichment (Mediator cannot do that)


2012 © Trivadis

Agenda

1.  Introduction


3.  The use cases

4.  Summary


2012 © Trivadis

Summary

The Spring component is a nice way to extend the functionality of the SOA Suite and the other service engines

Use cases for it are endless ….

Only use the Spring component if no out-of-the-box feature in the SOA Suite exists

Make sure that you test the Java and Spring stuff externally first

Only Spring Framework 2.5 …


2012 © Trivadis

BASEL BERN LAUSANNE ZÜRICH DÜSSELDORF FRANKFURT A.M. FREIBURG I.BR. HAMBURG MÜNCHEN STUTTGART WIEN

THANK YOU. Trivadis

Guido Schmutz [email protected]

[email protected] www.trivadis.com


Where and When Should I Use the Oracle Service Bus Tuesday 4th December at 09:55 - 10:55 - Hall 8b NoSQL Databases for Implementing Data Services – Should I Care? Tuesday 4th December at 15:10 - 16:10 - Hall 10a

Documents

Welcome Five Cool Use Cases for the Spring component of the