Cola拓展点架构设计

classAbstractComponentExecutor

ExtensionBootstrap

- ExtensionRegister extensionRegister- ApplicationContext applicationContext

+ init()

此处实现执行拓展点

依赖拓展点仓库注册拓展点

extensionRegister.doRegistrationExtensions((ExtensionPointI) extension))

ExtensionRepository

+ String EXTENSION_INTERFACE_NAME_ILLEGAL = \"extension_interface_name_illegal\";  扩展点接口名称不合法+ String EXTENSION_ILLEGAL = \"extension_illegal\"; //扩展点不合法+ String EXTENSION_DEFINE_DUPLICATE = \"extension_define_duplicate\"; //扩展点定义重复- ExtensionRepository extensionRepository;+ String EXTENSION_EXTPT_NAMING = \"ExtPt\";

+ doRegistration(ExtensionPointI extensionObject)+ void doRegistrationExtensions(ExtensionPointI extensionObject)

ExtensionRegister

classCustomicExtension1

@Extension()

1applicationContext.getBeansWithAnnotation(Extension.class)2、foreach#doRegistration

interfaceExtensionPointI

spring.factories

1applicationContext.getBeansWithAnnotation(Extensions.class);2、foreach#doRegistrations

- ExtensionRepository extensionRepository;

注册实际存放位置

@interfaceExtensions

+ String[] bizId+ String[] useCase+ String[] scenario+ Extension[] value

init

extensionRegister.doRegistration((ExtensionPointI) extension)

/* * Copyright 2017 Alibaba.com All right reserved. This software is the * confidential and proprietary information of Alibaba.com (\"Confidential * Information\"). You shall not disclose such Confidential Information and shall * use it only in accordance with the terms of the license agreement you entered * into with Alibaba.com. */package com.alibaba.cola.extension;import com.alibaba.cola.extension.register.AbstractComponentExecutor;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.stereotype.Component;import javax.annotation.Resource;/** * ExtensionExecutor * * @author fulan.zjf 2017-11-05 */@Componentpublic class ExtensionExecutor extends AbstractComponentExecutor {    private static final String EXTENSION_NOT_FOUND = \"extension_not_found\

启动脚手架 @BeanExtensionAutoConfiguration

classCustomicExtension2

@interfaceExtension

+ String bizId+ String useCase+ String scenario

classExtensionExecutor

- ExtensionRepository extensionRepository

SpringbootSPI启动

spring spi启动扫描器，扫描拓展点

ExtensionExecutor

核心实现逻辑