The objective of this book is to help enterprise application architects and developers to understand various SOA tools available as part of the NetBeans IDE that will enable them to build an enterprise-grade, scalable application in a short period using a single development interface. This allows easy integration of web services to create loosely coupled enterprise-class composite applications. Project OpenESB implements an Enterprise Service Bus runtime using Java Business Integration (JBI) as the base. While there are many vendors offering various graphical tools to create composite applications, this book focuses on using the BPEL service engine from the OpenESB project for solving business integration problems. Enterprises creating richer composite applications by leveraging existing interoperable components increase the organization's ability to respond quickly and cost-effectively to emerging business requirements. The composite application design enables your company to combine multiple heterogeneous technologies into a single application, bringing key application capabilities within reach of your business user. Business users should be able to move between the activities they need to do without any actual awareness that they are moving from one domain to another. The ability of composite applications to share components between them nullifies the distinction between actual applications. This business process composition has become increasingly important for constructing business logic.

Now enterprises can define their own behaviors optimized for their businesses through metadata and flows.

With the advent of composite applications the 'reuse' paradigm has moved from the technical aspect to the business aspect. In the current enterprise scenario, empowering business users to react quickly to the rapidly changing business environment is the topmost priority. Composite applications aid businesses by stitching together various componentized business capabilities.

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