public static void dubboStartByAPI() {
HelloService helloService = new HelloServiceImpl();
// 当前应用配置
ApplicationConfig application = new ApplicationConfig();
application.setName("helloService-provider");
// 连接注册中心配置
RegistryConfig registry = new RegistryConfig();
registry.setAddress("127.0.0.1");
registry.setPort(2181);
registry.setProtocol("zookeeper");
// registry.setUsername("aaa");
// registry.setPassword("bbb");
// 服务提供者协议配置
ProtocolConfig protocol = new ProtocolConfig();
protocol.setName("dubbo");
protocol.setPort(20880);
protocol.setThreads(10);
// 注意：ServiceConfig为重对象，内部封装了与注册中心的连接，以及开启服务端口
// 服务提供者暴露服务配置
ServiceConfig<HelloService> service = new ServiceConfig<>();
// 此实例很重，封装了与注册中心的连接，请自行缓存，否则可能造成内存和连接泄漏
service.setApplication(application);
service.setRegistry(registry); // 多个注册中心可以用setRegistries()
service.setProtocol(protocol); // 多个协议可以用setProtocols()
service.setInterface(HelloService.class);
service.setRef(helloService);
service.setVersion("1.0.0");
// 暴露及注册服务
service.export();
}
@Bean
public RegistryConfig registry() {
RegistryConfig registryConfig = new RegistryConfig();
registryConfig.setAddress(dubboRegistryUrl);
registryConfig.setProtocol("zookeeper");
return registryConfig;
}
@SuppressWarnings({"unchecked", "deprecation"})
public void afterPropertiesSet() throws Exception {
// 如果没有配置provider
if (getProvider() == null) {
// 获取IOC容器里的所有provider
Map<String, ProviderConfig> providerConfigMap =
applicationContext == null
? null
: BeanFactoryUtils.beansOfTypeIncludingAncestors(
applicationContext, ProviderConfig.class, false, false);
if (providerConfigMap != null && providerConfigMap.size() > 0) {
Map<String, ProtocolConfig> protocolConfigMap =
applicationContext == null
? null
: BeanFactoryUtils.beansOfTypeIncludingAncestors(
applicationContext, ProtocolConfig.class, false, false);
if ((protocolConfigMap == null || protocolConfigMap.size() == 0)
&& providerConfigMap.size() > 1) { // 兼容旧版本
List<ProviderConfig> providerConfigs = new ArrayList<ProviderConfig>();
for (ProviderConfig config : providerConfigMap.values()) {
if (config.isDefault() != null && config.isDefault().booleanValue()) {
providerConfigs.add(config);
}
}
if (providerConfigs.size() > 0) {
setProviders(providerConfigs);
}
} else {
ProviderConfig providerConfig = null;
for (ProviderConfig config : providerConfigMap.values()) {
if (config.isDefault() == null || config.isDefault().booleanValue()) {
if (providerConfig != null) {
throw new IllegalStateException(
"Duplicate provider configs: " + providerConfig + " and " + config);
}
providerConfig = config;
}
}
if (providerConfig != null) {
setProvider(providerConfig);
}
}
}
}
if (getApplication() == null
&& (getProvider() == null || getProvider().getApplication() == null)) {
Map<String, ApplicationConfig> applicationConfigMap =
applicationContext == null
? null
: BeanFactoryUtils.beansOfTypeIncludingAncestors(
applicationContext, ApplicationConfig.class, false, false);
if (applicationConfigMap != null && applicationConfigMap.size() > 0) {
ApplicationConfig applicationConfig = null;
for (ApplicationConfig config : applicationConfigMap.values()) {
if (config.isDefault() == null || config.isDefault().booleanValue()) {
if (applicationConfig != null) {
throw new IllegalStateException(
"Duplicate application configs: " + applicationConfig + " and " + config);
}
applicationConfig = config;
}
}
if (applicationConfig != null) {
setApplication(applicationConfig);
}
}
}
if (getModule() == null && (getProvider() == null || getProvider().getModule() == null)) {
Map<String, ModuleConfig> moduleConfigMap =
applicationContext == null
? null
: BeanFactoryUtils.beansOfTypeIncludingAncestors(
applicationContext, ModuleConfig.class, false, false);
if (moduleConfigMap != null && moduleConfigMap.size() > 0) {
ModuleConfig moduleConfig = null;
for (ModuleConfig config : moduleConfigMap.values()) {
if (config.isDefault() == null || config.isDefault().booleanValue()) {
if (moduleConfig != null) {
throw new IllegalStateException(
"Duplicate module configs: " + moduleConfig + " and " + config);
}
moduleConfig = config;
}
}
if (moduleConfig != null) {
setModule(moduleConfig);
}
}
}
if ((getRegistries() == null || getRegistries().size() == 0)
&& (getProvider() == null
|| getProvider().getRegistries() == null
|| getProvider().getRegistries().size() == 0)
&& (getApplication() == null
|| getApplication().getRegistries() == null
|| getApplication().getRegistries().size() == 0)) {
Map<String, RegistryConfig> registryConfigMap =
applicationContext == null
? null
: BeanFactoryUtils.beansOfTypeIncludingAncestors(
applicationContext, RegistryConfig.class, false, false);
if (registryConfigMap != null && registryConfigMap.size() > 0) {
List<RegistryConfig> registryConfigs = new ArrayList<RegistryConfig>();
for (RegistryConfig config : registryConfigMap.values()) {
if (config.isDefault() == null || config.isDefault().booleanValue()) {
registryConfigs.add(config);
}
}
if (registryConfigs != null && registryConfigs.size() > 0) {
super.setRegistries(registryConfigs);
}
}
}
if (getMonitor() == null
&& (getProvider() == null || getProvider().getMonitor() == null)
&& (getApplication() == null || getApplication().getMonitor() == null)) {
Map<String, MonitorConfig> monitorConfigMap =
applicationContext == null
? null
: BeanFactoryUtils.beansOfTypeIncludingAncestors(
applicationContext, MonitorConfig.class, false, false);
if (monitorConfigMap != null && monitorConfigMap.size() > 0) {
MonitorConfig monitorConfig = null;
for (MonitorConfig config : monitorConfigMap.values()) {
if (config.isDefault() == null || config.isDefault().booleanValue()) {
if (monitorConfig != null) {
throw new IllegalStateException(
"Duplicate monitor configs: " + monitorConfig + " and " + config);
}
monitorConfig = config;
}
}
if (monitorConfig != null) {
setMonitor(monitorConfig);
}
}
}
if ((getProtocols() == null || getProtocols().size() == 0)
&& (getProvider() == null
|| getProvider().getProtocols() == null
|| getProvider().getProtocols().size() == 0)) {
Map<String, ProtocolConfig> protocolConfigMap =
applicationContext == null
? null
: BeanFactoryUtils.beansOfTypeIncludingAncestors(
applicationContext, ProtocolConfig.class, false, false);
if (protocolConfigMap != null && protocolConfigMap.size() > 0) {
List<ProtocolConfig> protocolConfigs = new ArrayList<ProtocolConfig>();
for (ProtocolConfig config : protocolConfigMap.values()) {
if (config.isDefault() == null || config.isDefault().booleanValue()) {
protocolConfigs.add(config);
}
}
if (protocolConfigs != null && protocolConfigs.size() > 0) {
super.setProtocols(protocolConfigs);
}
}
}
if (getPath() == null || getPath().length() == 0) {
if (beanName != null
&& beanName.length() > 0
&& getInterface() != null
&& getInterface().length() > 0
&& beanName.startsWith(getInterface())) {
setPath(beanName);
}
}
if (!isDelay()) {
export();
}
}