This chapter will introduce the JBI Service Engine and how it is supported within the
NetBeans Enterprise Pack.
In this chapter, we will discuss the following topics:
Need for Java Business Integration (JBI)
Enterprise Service Bus
Normalized Message Router
Introduction to Service Engines
NetBeans Support for Service Engines
BPEL Service Engine
Java EE Service Engine
SQL Service Engine
IEP Service Engine
XSLT Service Engine
Need for Java Business Integration (JBI)
To have a good understanding of Service Engines (a specific type of JBI component),
we need to first understand the reason for Java Business Integration.
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Service Engines
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In the business world, not all systems talk the same language. They use different
protocols and different forms of communications. Legacy systems in particular can
use proprietary protocols for external communication. The advent and acceptance of
XML has been greatly beneficial in allowing systems to be easily integrated, but XML
itself is not the complete solution.
When some systems were first developed, they were not envisioned to be able
to communicate with many other systems; they were developed with closed
interfaces using closed protocols. This, of course, is fine for the system developer,
but makes system integration very difficult.
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