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Oracle SOA Suite 11g R1 Developer's Guide

Oracle SOA Suite 11g R1 Developer's Guide

4.3 (11)
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Oracle SOA Suite 11g R1 Developer's Guide

Oracle SOA Suite 11g R1 Developer's Guide

4.3 (11)

Overview of this book

We are moving towards a standards-based Service-Oriented Architecture (SOA), where IT infrastructure is continuously adapted to keep up with the pace of business change. Oracle is at the forefront of this vision, with the Oracle SOA Suite providing the most comprehensive, proven, and integrated tool kit for building SOA-based applications.Developers and Architects using the Oracle SOA Suite, whether working on integration projects, building composite applications, or specializing in implementations of Oracle Applications, need a hands-on guide on how best to harness and apply this technology. This book will guide you on using and applying the Oracle SOA Suite to solve real-world problems, enabling you to quickly learn and master the technology and its applications.This book is a major update to Oracle SOA Suite Developer's Guide, which covered 10gR3. It is completely updated for Oracle SOA Suite 11gR1, with 40% new material, including detailed coverage of newer components, such as: the Mediator, the new Rules Editor, the Event Delivery Network, Service Data Objects, and the Meta Data Repository. There is also a complete additional chapter on advanced SOA Architecture including message delivery, transaction handling and clustering considerations.The initial section of the book provides you with a detailed hands-on tutorial to each of the core components that make up the Oracle SOA Suite. Once you are familiar with the various pieces of the SOA Suite and what they do, the next question will typically be:"What is the best way to use and combine all of these different components to implement a real-world SOA solution?"Answering this question is the goal of the next section. Using a working example of an online auction site (oBay), it leads you through key SOA design considerations in implementing a robust solution that is designed for change.The final section addresses non-functional considerations and covers the packaging, deployment, and testing of SOA applications. It then details how to secure and administer SOA applications.
Table of Contents (5 chapters)
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Chapter 17. Workflow Patterns

So far we've used workflow for simple task approval in conjunction with the worklist application. However, human workflows are often more complex, often involving multiple participants as well as requiring the task list to be integrated into the user's existing user interface rather than accessing it through a standalone worklist application.

In this chapter, we look at these common requirements. First, we examine how to manage workflows involving complex chains of approval, including parallel approvers and the different options that are available. Next, we look at the Workflow Service API, and how we can use that to completely transform the look and feel of the workflow service.

Managing multiple participants in a workflow

The process for validating items that have been flagged as suspicious, is a classic workflow scenario that may potentially involve multiple participants.

The first step in the workflow requires an oBay administrator to check...

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