Model Service Provider Interface (SPI).
模型服务提供程序接口(SPI)。
Both frameworks model service operations as method calls, and service port-types as interfaces.
这两个框架都是将服务操作建模为方法调用,而将服务端口类型建模为接口。
This gives a particularly marked performance boost if the Model service is implemented as EJB Layers.
如果模型服务是当作 EJB 层来实现的,那么其性能会得到非常显著地增强。
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