public static interface ServiceRegistry.Filter
ServiceRegistry.getServiceProviders选择提供商任意条件匹配的。
实现此接口的类应以利用来定义getServiceProviders的方法ServiceRegistry ,需要一个Filter 。
boolean filter(Object provider)
true如果给定
provider对象通过这个定义的标准匹配
Filter 。
provider - 服务提供商
Object 。
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