Service components are the main building blocks of a module. You can implement your services using a variety of programming paradigms, from process-flow style BPEL processes, to state machine-style event management, to declarative business rules style. The style of implementation you select will be determined both by your comfort level with a given paradigm and the nature of the problem.
WebSphere Business Integration tools generate many types of service implementations for components:
- Business processes
- State machines
- Human tasks
- Rule groups
- Interface maps
- Mediation flows
You can create implementations using a variety of visual construction tools. You can find detailed information about working with each of the implementations in other sections of the documentation.
In the assembly editor, the component's implementation type is represented by an icon in the component. The following image shows the CustomerQuery component. The symbol beside the component's name shows that it has a business process implementation type:
Also, you can set qualifiers on the component's implementation. The qualifiers provide “quality of service” support (such as transaction support, event sequencing, or security) required from the hosting container.
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