Book Image

BPEL and Java Cookbook

By : Jurij Laznik
Book Image

BPEL and Java Cookbook

By: Jurij Laznik

Overview of this book

The Business Process Execution Language (BPEL) has become the de-facto standard for orchestrating web services. BPEL and web services are both clamped into Service-oriented Architecture (SOA). Development of efficient SOA composites too often requires usage of other technologies or languages, like Java. This Cookbook explains through the use of examples how to efficiently integrate BPEL with custom Java functionality.If you need to use BPEL programming to develop web services in SOA development, this book is for you.BPEL and Java Cookbook will show you how to efficiently integrate custom Java functionality into BPEL processes. Based on practical examples, this book shows you the solutions to a number of issues developers come across when designing SOA composite applications. The integration between the two technologies is shown two-fold; the book focuses on the ways that Java utilizes the BPEL and vice-versa.With this book, you will take a journey through a number of recipes that solve particular problems with developing SOA composite applications. Each chapter works on a different set of recipes in a specific area. The recipes cover the whole lifecycle of developing SOA composites: from specification, through design, testing and deployment. BPEL and Java Cookbook starts off with recipes that cover initiation of BPEL from Java and vice-versa. It then moves on to logging and tracing facilities, validation and transformation of BPEL servers, embedding of third-party Java libraries into BPEL. It also covers manipulation with variables in BPEL different techniques of Java code wrapping for web service usage and utilization of XML fa?ßades. After reading BPEL and Java Cookbook you will be able to circumvent many of the issues that developers experience during SOA composite application development.  
Table of Contents (18 chapters)
BPEL and Java Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Viewing metrics and statistics


Logging and tracing are the tools for identifying what is going on in the system and with particular business processes. Another important aspect of keeping a system in good condition is gathering the information via metrics and statistics. This way, we can identify the troubles a system might have on an operational level. We are also able to explore a system's overall health condition.

Getting ready

To show you how gathering information works, we will use the BPEL process we prepared for the Creating a custom logger in a BPEL process recipe.

How to do it…

The following steps in this recipe will describe how to efficiently review the previously collected metrics and statistics:

  1. Start the recipe by logging in to the Oracle Enterprise Manager Console with the admin user.

  2. From the left tree, select the SOA server, right-click on it, and select Monitoring | Performance Summary as shown in the following screenshot:

  3. We get a window with some basic metric definitions. Click...