tailieunhanh - Building SOA-Based Composite Applications Using NetBeans IDE 6 phần 2

Một khi bạn đã sẵn sàng các dịch vụ đối tác, bạn sẽ xây dựng các quy trình kinh doanh tương tác với các dịch vụ đối tác. Các quy trình kinh doanh của chúng tôi được thực hiện như các quy trình BPEL. Có thể có quá trình BPEL cho mỗi hoạt động giống như quá trình BPEL | Enterprise Application Development Once you have the partner services ready you will build the business processes that interact with the partner services. Our business processes are implemented as BPEL processes. There could be BPEL processes for each operation like Reservation BPEL Process Flight Information Business Process and Baggage Information Business Process. We use the NetBeans IDE s BPEL Designer that comes with the NetBeans Enterprise Pack for designing these processes. When we have the business processes ready we create JBI Modules so that they can be deployed as a service assembly in the BPEL Engine. We use NetBeans s Composite Application Module to build these deployable applications. Based on the need we might use the CASA Editor to edit the Composite Applications deployment descriptors. When we have the deployable enterprise application we deploy them to the Glassfish s BPEL Engine as a Service Assembly. There is a robust visual tool for monitoring the business processes message transaction and status through a BPEL Process Monitor. You can also use the Java DB for storing airline information. NetBeans has very good support for managing the Java DB from the IDE. So these are the required tools to get you started with building your enterprise applications. Summary This chapter provided an overview of SOA and the need for SOA in enterprise applications. SOA will mean different integration patterns to different companies. There is not a single implementation of SOA that can be termed the best. Implementing SOA in your enterprise applications depends mostly on your business requirements. BPEL is widely accepted as the means to orchestrate disparate web services to conceive meaningful business processes. What BPEL does to your business transaction is explained in this chapter with an imaginary airline. This chapter also dealt with the need for SOA tools for rapidly building and deploying enterprise grade applications. The tools used in this book are .

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