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Java Plugin Implementation Approaches ServiceLoader Mechanism Java's ServiceLoader provides a standard SPI implementation. Define an interface with multiple implementations, then load them dynamically: public interface NotificationService { void sendAlert(String message); } public class EmailNotifier implements NotificationService { @O ...

SPI Core Concepts SPI (Serial Peripheral Interface) is a synchronous, full-duplex serial communication protocol originally developed by Motorola. It enables MCUs or MPUs to exchange data with peripherals such as flash memory, ADCs, network controllers, or other processors. Key attributes include high-speed operation, serial data transfer, and t ...

Core Annotations (Simulating Dubbo) 1. @SPI Annotation (Marking Extension Interfaces) import java.lang.annotation.*; @Target(ElementType.TYPE) @Retention(RetentionPolicy.RUNTIME) public @interface SPI { // Default extension name String value() default ""; } 2. @Adaptive Annotation (Simplified Adaptive Methods) import java.lang.annot ...