refactor:let the configuration SDK context stand alone. (#1383)

Co-authored-by: Haotian Zhang <skyebefreeman@qq.com>

.github/PULL_REQUEST_TEMPLATE.md

@@ -28,6 +28,6 @@ closes #
 
 - [ ] Will pull request to branch of 2023.
 - [ ] Will pull request to branch of 2022.
-- [ ] Will pull request to branch of 2020.
 - [ ] Will pull request to branch of 2021.
+- [ ] Will pull request to branch of 2020.
 - [ ] Will pull request to branch of hoxton.

CHANGELOG.md

@@ -11,3 +11,4 @@
 - [fix: fix the lossless provider override in multiple registries scenario](https://github.com/Tencent/spring-cloud-tencent/pull/1380)
 - [fix:fix nearby router properties loading bug.](https://github.com/Tencent/spring-cloud-tencent/pull/1381)
 - [fix: fix grammar issues for lane router example & optimize the gateway dependency](https://github.com/Tencent/spring-cloud-tencent/pull/1382)
+- [refactor:let the configuration SDK context stand alone.](https://github.com/Tencent/spring-cloud-tencent/pull/1383)

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/ConfigurationModifier.java

@@ -13,7 +13,6 @@
  * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
  * CONDITIONS OF ANY KIND, either express or implied. See the License for the
  * specific language governing permissions and limitations under the License.
- *
  */
 
 package com.tencent.cloud.polaris.config;
@@ -26,7 +25,7 @@ import com.tencent.cloud.common.constant.OrderConstant;
 import com.tencent.cloud.common.util.AddressUtils;
 import com.tencent.cloud.polaris.config.config.PolarisConfigProperties;
 import com.tencent.cloud.polaris.config.config.PolarisCryptoConfigProperties;
-import com.tencent.cloud.polaris.context.PolarisConfigModifier;
+import com.tencent.cloud.polaris.context.PolarisConfigurationConfigModifier;
 import com.tencent.cloud.polaris.context.config.PolarisContextProperties;
 import com.tencent.polaris.factory.config.ConfigurationImpl;
 import com.tencent.polaris.factory.config.configuration.ConfigFilterConfigImpl;
@@ -42,7 +41,7 @@ import org.springframework.util.CollectionUtils;
  *
  * @author lepdou 2022-03-10
  */
-public class ConfigurationModifier implements PolarisConfigModifier {
+public class ConfigurationModifier implements PolarisConfigurationConfigModifier {
 	private static final Logger LOGGER = LoggerFactory.getLogger(ConfigurationModifier.class);
 
 	private static final String DATA_SOURCE_POLARIS = "polaris";

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/PolarisConfigAutoConfiguration.java

@@ -21,7 +21,6 @@ package com.tencent.cloud.polaris.config;
 import com.tencent.cloud.polaris.config.adapter.AffectedConfigurationPropertiesRebinder;
 import com.tencent.cloud.polaris.config.adapter.PolarisConfigPropertyRefresher;
 import com.tencent.cloud.polaris.config.adapter.PolarisConfigRefreshScopeAnnotationDetector;
-import com.tencent.cloud.polaris.config.adapter.PolarisPropertySourceManager;
 import com.tencent.cloud.polaris.config.adapter.PolarisRefreshAffectedContextRefresher;
 import com.tencent.cloud.polaris.config.adapter.PolarisRefreshEntireContextRefresher;
 import com.tencent.cloud.polaris.config.annotation.PolarisConfigAnnotationProcessor;
@@ -78,9 +77,9 @@ public class PolarisConfigAutoConfiguration {
 
 	@Bean
 	@ConditionalOnMissingBean(search = SearchStrategy.CURRENT)
-	public PolarisConfigPropertyRefresher polarisRefreshContextPropertySourceAutoRefresher(PolarisConfigProperties polarisConfigProperties,
+	public PolarisConfigPropertyRefresher polarisRefreshContextPropertySourceAutoRefresher(
-			PolarisPropertySourceManager polarisPropertySourceManager, ContextRefresher contextRefresher) {
+			PolarisConfigProperties polarisConfigProperties, ContextRefresher contextRefresher) {
-		return new PolarisRefreshEntireContextRefresher(polarisConfigProperties, polarisPropertySourceManager, contextRefresher);
+		return new PolarisRefreshEntireContextRefresher(polarisConfigProperties, contextRefresher);
 	}
 
 	@Configuration(proxyBeanMethods = false)
@@ -104,10 +103,10 @@ public class PolarisConfigAutoConfiguration {
 		}
 
 		@Bean
-		public PolarisConfigPropertyRefresher polarisReflectPropertySourceAutoRefresher(PolarisConfigProperties polarisConfigProperties,
+		public PolarisConfigPropertyRefresher polarisReflectPropertySourceAutoRefresher(
-				PolarisPropertySourceManager polarisPropertySourceManager, SpringValueRegistry springValueRegistry,
+				PolarisConfigProperties polarisConfigProperties, SpringValueRegistry springValueRegistry,
 				PlaceholderHelper placeholderHelper) {
-			return new PolarisRefreshAffectedContextRefresher(polarisConfigProperties, polarisPropertySourceManager,
+			return new PolarisRefreshAffectedContextRefresher(polarisConfigProperties,
 					springValueRegistry, placeholderHelper);
 		}
 

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/PolarisConfigBootstrapAutoConfiguration.java

@@ -20,7 +20,6 @@ package com.tencent.cloud.polaris.config;
 
 import com.tencent.cloud.polaris.config.adapter.AffectedConfigurationPropertiesRebinder;
 import com.tencent.cloud.polaris.config.adapter.PolarisConfigFileLocator;
-import com.tencent.cloud.polaris.config.adapter.PolarisPropertySourceManager;
 import com.tencent.cloud.polaris.config.condition.ConditionalOnReflectRefreshType;
 import com.tencent.cloud.polaris.config.config.PolarisConfigProperties;
 import com.tencent.cloud.polaris.config.config.PolarisCryptoConfigProperties;
@@ -59,16 +58,10 @@ public class PolarisConfigBootstrapAutoConfiguration {
 		return new PolarisCryptoConfigProperties();
 	}
 
-	@Bean
-	@ConditionalOnMissingBean
-	public PolarisPropertySourceManager polarisPropertySourceManager() {
-		return new PolarisPropertySourceManager();
-	}
-
 	@Bean
 	@ConditionalOnConnectRemoteServerEnabled
 	public ConfigFileService configFileService(PolarisSDKContextManager polarisSDKContextManager) {
-		return ConfigFileServiceFactory.createConfigFileService(polarisSDKContextManager.getSDKContext());
+		return ConfigFileServiceFactory.createConfigFileService(polarisSDKContextManager.getConfigSDKContext());
 	}
 
 	@Bean
@@ -77,11 +70,9 @@ public class PolarisConfigBootstrapAutoConfiguration {
 			PolarisConfigProperties polarisConfigProperties,
 			PolarisContextProperties polarisContextProperties,
 			ConfigFileService configFileService,
-			PolarisPropertySourceManager polarisPropertySourceManager,
 			Environment environment) {
 		return new PolarisConfigFileLocator(polarisConfigProperties,
-				polarisContextProperties, configFileService,
+				polarisContextProperties, configFileService, environment);
-				polarisPropertySourceManager, environment);
 	}
 
 	@Bean

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigCustomExtensionLayer.java

@@ -31,8 +31,9 @@ import org.springframework.core.env.Environment;
 public interface PolarisConfigCustomExtensionLayer {
 	void initRegisterConfig(PolarisConfigPropertyAutoRefresher polarisConfigPropertyAutoRefresher);
 
-	void initConfigFiles(Environment environment, CompositePropertySource compositePropertySource, PolarisPropertySourceManager polarisPropertySourceManager, ConfigFileService configFileService);
+	void initConfigFiles(Environment environment, CompositePropertySource compositePropertySource, ConfigFileService configFileService);
 
 	void executeAfterLocateConfigReturning(CompositePropertySource compositePropertySource);
+
 	boolean executeRegisterPublishChangeListener(PolarisPropertySource polarisPropertySource);
 }

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigFileLocator.java

@@ -64,17 +64,15 @@ public class PolarisConfigFileLocator implements PropertySourceLocator {
 
 	private final ConfigFileService configFileService;
 
-	private final PolarisPropertySourceManager polarisPropertySourceManager;
-
 	private final Environment environment;
 	// this class provides customized logic for some customers to configure special business group files
 	private final PolarisConfigCustomExtensionLayer polarisConfigCustomExtensionLayer = PolarisServiceLoaderUtil.getPolarisConfigCustomExtensionLayer();
 
-	public PolarisConfigFileLocator(PolarisConfigProperties polarisConfigProperties, PolarisContextProperties polarisContextProperties, ConfigFileService configFileService, PolarisPropertySourceManager polarisPropertySourceManager, Environment environment) {
+	public PolarisConfigFileLocator(PolarisConfigProperties polarisConfigProperties,
+			PolarisContextProperties polarisContextProperties, ConfigFileService configFileService, Environment environment) {
 		this.polarisConfigProperties = polarisConfigProperties;
 		this.polarisContextProperties = polarisContextProperties;
 		this.configFileService = configFileService;
-		this.polarisPropertySourceManager = polarisPropertySourceManager;
 		this.environment = environment;
 	}
 
@@ -104,7 +102,7 @@ public class PolarisConfigFileLocator implements PropertySourceLocator {
 			LOGGER.debug("[SCT Config] PolarisConfigCustomExtensionLayer is not init, ignore the following execution steps");
 			return;
 		}
-		polarisConfigCustomExtensionLayer.initConfigFiles(environment, compositePropertySource, polarisPropertySourceManager, configFileService);
+		polarisConfigCustomExtensionLayer.initConfigFiles(environment, compositePropertySource, configFileService);
 	}
 
 	private void afterLocatePolarisConfigExtension(CompositePropertySource compositePropertySource) {
@@ -123,7 +121,7 @@ public class PolarisConfigFileLocator implements PropertySourceLocator {
 
 			compositePropertySource.addPropertySource(polarisPropertySource);
 
-			polarisPropertySourceManager.addPropertySource(polarisPropertySource);
+			PolarisPropertySourceManager.addPropertySource(polarisPropertySource);
 
 			LOGGER.info("[SCT Config] Load and inject polaris config file. file = {}", configFile);
 		}
@@ -206,7 +204,7 @@ public class PolarisConfigFileLocator implements PropertySourceLocator {
 
 				compositePropertySource.addPropertySource(polarisPropertySource);
 
-				polarisPropertySourceManager.addPropertySource(polarisPropertySource);
+				PolarisPropertySourceManager.addPropertySource(polarisPropertySource);
 
 				LOGGER.info("[SCT Config] Load and inject polaris config file success. namespace = {}, group = {}, fileName = {}", namespace, group, fileName);
 			}

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigPropertyAutoRefresher.java

@@ -46,16 +46,13 @@ public abstract class PolarisConfigPropertyAutoRefresher implements ApplicationL
 
 	private final PolarisConfigProperties polarisConfigProperties;
 
-	private final PolarisPropertySourceManager polarisPropertySourceManager;
-
 	private final AtomicBoolean registered = new AtomicBoolean(false);
 
 	// this class provides customized logic for some customers to configure special business group files
 	private final PolarisConfigCustomExtensionLayer polarisConfigCustomExtensionLayer = PolarisServiceLoaderUtil.getPolarisConfigCustomExtensionLayer();
 
-	public PolarisConfigPropertyAutoRefresher(PolarisConfigProperties polarisConfigProperties, PolarisPropertySourceManager polarisPropertySourceManager) {
+	public PolarisConfigPropertyAutoRefresher(PolarisConfigProperties polarisConfigProperties) {
 		this.polarisConfigProperties = polarisConfigProperties;
-		this.polarisPropertySourceManager = polarisPropertySourceManager;
 	}
 
 	@Override
@@ -68,7 +65,7 @@ public abstract class PolarisConfigPropertyAutoRefresher implements ApplicationL
 			return;
 		}
 
-		List<PolarisPropertySource> polarisPropertySources = polarisPropertySourceManager.getAllPropertySources();
+		List<PolarisPropertySource> polarisPropertySources = PolarisPropertySourceManager.getAllPropertySources();
 		if (CollectionUtils.isEmpty(polarisPropertySources)) {
 			return;
 		}
@@ -144,4 +141,11 @@ public abstract class PolarisConfigPropertyAutoRefresher implements ApplicationL
 		}
 		polarisConfigCustomExtensionLayer.executeRegisterPublishChangeListener(polarisPropertySource);
 	}
+
+	/**
+	 * Just for junit test.
+	 */
+	public void setRegistered(boolean registered) {
+		this.registered.set(registered);
+	}
 }

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisPropertySourceManager.java

@@ -28,15 +28,25 @@ import java.util.concurrent.ConcurrentHashMap;
  *
  * @author lepdou 2022-03-28
  */
-public class PolarisPropertySourceManager {
+public final class PolarisPropertySourceManager {
 
-	private final Map<String, PolarisPropertySource> polarisPropertySources = new ConcurrentHashMap<>();
+	private static final Map<String, PolarisPropertySource> polarisPropertySources = new ConcurrentHashMap<>();
 
-	public void addPropertySource(PolarisPropertySource polarisPropertySource) {
+	private PolarisPropertySourceManager() {
-		polarisPropertySources.putIfAbsent(polarisPropertySource.getPropertySourceName(), polarisPropertySource);
 	}
 
-	public List<PolarisPropertySource> getAllPropertySources() {
+	public static void addPropertySource(PolarisPropertySource polarisPropertySource) {
+		polarisPropertySources.put(polarisPropertySource.getPropertySourceName(), polarisPropertySource);
+	}
+
+	public static List<PolarisPropertySource> getAllPropertySources() {
 		return new ArrayList<>(polarisPropertySources.values());
 	}
+
+	/**
+	 * Just for test.
+	 */
+	public static void clearPropertySources() {
+		polarisPropertySources.clear();
+	}
 }

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisRefreshAffectedContextRefresher.java

@@ -59,9 +59,8 @@ public class PolarisRefreshAffectedContextRefresher extends PolarisConfigPropert
 	private TypeConverter typeConverter;
 
 	public PolarisRefreshAffectedContextRefresher(PolarisConfigProperties polarisConfigProperties,
-			PolarisPropertySourceManager polarisPropertySourceManager, SpringValueRegistry springValueRegistry,
+			SpringValueRegistry springValueRegistry, PlaceholderHelper placeholderHelper) {
-			PlaceholderHelper placeholderHelper) {
+		super(polarisConfigProperties);
-		super(polarisConfigProperties, polarisPropertySourceManager);
 		this.springValueRegistry = springValueRegistry;
 		this.placeholderHelper = placeholderHelper;
 	}

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisRefreshEntireContextRefresher.java

@@ -35,9 +35,8 @@ public class PolarisRefreshEntireContextRefresher extends PolarisConfigPropertyA
 	private final ContextRefresher contextRefresher;
 
 	public PolarisRefreshEntireContextRefresher(PolarisConfigProperties polarisConfigProperties,
-			PolarisPropertySourceManager polarisPropertySourceManager,
 			ContextRefresher contextRefresher) {
-		super(polarisConfigProperties, polarisPropertySourceManager);
+		super(polarisConfigProperties);
 		this.contextRefresher = contextRefresher;
 	}
 

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/endpoint/PolarisConfigEndpoint.java

@@ -37,12 +37,9 @@ import org.springframework.boot.actuate.endpoint.annotation.ReadOperation;
 public class PolarisConfigEndpoint {
 
 	private final PolarisConfigProperties polarisConfigProperties;
-	private final PolarisPropertySourceManager polarisPropertySourceManager;
 
-	public PolarisConfigEndpoint(PolarisConfigProperties polarisConfigProperties,
+	public PolarisConfigEndpoint(PolarisConfigProperties polarisConfigProperties) {
-			PolarisPropertySourceManager polarisPropertySourceManager) {
 		this.polarisConfigProperties = polarisConfigProperties;
-		this.polarisPropertySourceManager = polarisPropertySourceManager;
 	}
 
 	@ReadOperation
@@ -50,7 +47,7 @@ public class PolarisConfigEndpoint {
 		Map<String, Object> configInfo = new HashMap<>();
 		configInfo.put("PolarisConfigProperties", polarisConfigProperties);
 
-		List<PolarisPropertySource> propertySourceList = polarisPropertySourceManager.getAllPropertySources();
+		List<PolarisPropertySource> propertySourceList = PolarisPropertySourceManager.getAllPropertySources();
 		configInfo.put("PolarisPropertySource", propertySourceList);
 
 		return configInfo;

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/endpoint/PolarisConfigEndpointAutoConfiguration.java

@@ -18,7 +18,6 @@
 package com.tencent.cloud.polaris.config.endpoint;
 
 import com.tencent.cloud.polaris.config.ConditionalOnPolarisConfigEnabled;
-import com.tencent.cloud.polaris.config.adapter.PolarisPropertySourceManager;
 import com.tencent.cloud.polaris.config.config.PolarisConfigProperties;
 
 import org.springframework.boot.actuate.autoconfigure.endpoint.condition.ConditionalOnAvailableEndpoint;
@@ -41,8 +40,7 @@ public class PolarisConfigEndpointAutoConfiguration {
 	@Bean
 	@ConditionalOnAvailableEndpoint
 	@ConditionalOnMissingBean
-	public PolarisConfigEndpoint polarisConfigEndpoint(PolarisConfigProperties polarisConfigProperties,
+	public PolarisConfigEndpoint polarisConfigEndpoint(PolarisConfigProperties polarisConfigProperties) {
-			PolarisPropertySourceManager polarisPropertySourceManager) {
+		return new PolarisConfigEndpoint(polarisConfigProperties);
-		return new PolarisConfigEndpoint(polarisConfigProperties, polarisPropertySourceManager);
 	}
 }

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/listener/PolarisConfigRefreshOptimizationListener.java

@@ -21,7 +21,6 @@ package com.tencent.cloud.polaris.config.listener;
 import java.util.Collections;
 
 import com.tencent.cloud.polaris.config.adapter.PolarisConfigRefreshScopeAnnotationDetector;
-import com.tencent.cloud.polaris.config.adapter.PolarisPropertySourceManager;
 import com.tencent.cloud.polaris.config.adapter.PolarisRefreshEntireContextRefresher;
 import com.tencent.cloud.polaris.config.config.PolarisConfigProperties;
 import com.tencent.cloud.polaris.config.enums.RefreshType;
@@ -112,7 +111,7 @@ public class PolarisConfigRefreshOptimizationListener implements ApplicationList
 			beanFactory.removeBeanDefinition(REFLECT_REBINDER_BEAN_NAME);
 		}
 		catch (BeansException e) {
-		    // If there is a removeBean exception in this code, do not affect the main process startup. Some user usage may cause the polarisReflectPropertySourceAutoRefresher to not load, and the removeBeanDefinition will report an error
+			// If there is a removeBean exception in this code, do not affect the main process startup. Some user usage may cause the polarisReflectPropertySourceAutoRefresher to not load, and the removeBeanDefinition will report an error
 			LOGGER.debug("removeRelatedBeansOfReflect occur error:", e);
 		}
 	}
@@ -122,12 +121,10 @@ public class PolarisConfigRefreshOptimizationListener implements ApplicationList
 		AbstractBeanDefinition beanDefinition = BeanDefinitionBuilder.genericBeanDefinition().getBeanDefinition();
 		beanDefinition.setBeanClass(PolarisRefreshEntireContextRefresher.class);
 		PolarisConfigProperties polarisConfigProperties = beanFactory.getBean(PolarisConfigProperties.class);
-		PolarisPropertySourceManager polarisPropertySourceManager = beanFactory.getBean(PolarisPropertySourceManager.class);
 		ContextRefresher contextRefresher = beanFactory.getBean(ContextRefresher.class);
 		ConstructorArgumentValues constructorArgumentValues = beanDefinition.getConstructorArgumentValues();
 		constructorArgumentValues.addIndexedArgumentValue(0, polarisConfigProperties);
-		constructorArgumentValues.addIndexedArgumentValue(1, polarisPropertySourceManager);
+		constructorArgumentValues.addIndexedArgumentValue(1, contextRefresher);
-		constructorArgumentValues.addIndexedArgumentValue(2, contextRefresher);
 		beanFactory.registerBeanDefinition(REFRESH_CONTEXT_REFRESHER_BEAN_NAME, beanDefinition);
 	}
 

spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigFileLocatorTest.java

@@ -29,6 +29,7 @@ import com.tencent.cloud.polaris.config.config.PolarisConfigProperties;
 import com.tencent.cloud.polaris.context.config.PolarisContextProperties;
 import com.tencent.polaris.configuration.api.core.ConfigFileService;
 import com.tencent.polaris.configuration.api.core.ConfigKVFile;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
@@ -57,14 +58,17 @@ public class PolarisConfigFileLocatorTest {
 	@Mock
 	private ConfigFileService configFileService;
 	@Mock
-	private PolarisPropertySourceManager polarisPropertySourceManager;
-	@Mock
 	private Environment environment;
 
+	@BeforeEach
+	public void setUp() {
+		PolarisPropertySourceManager.clearPropertySources();
+	}
+
 	@Test
 	public void testLoadApplicationPropertiesFile() {
 		PolarisConfigFileLocator locator = new PolarisConfigFileLocator(polarisConfigProperties, polarisContextProperties,
-				configFileService, polarisPropertySourceManager, environment);
+				configFileService, environment);
 
 		when(polarisContextProperties.getNamespace()).thenReturn(testNamespace);
 		when(polarisContextProperties.getService()).thenReturn(testServiceName);
@@ -99,7 +103,7 @@ public class PolarisConfigFileLocatorTest {
 	@Test
 	public void testActiveProfileFilesPriorityBiggerThanDefault() {
 		PolarisConfigFileLocator locator = new PolarisConfigFileLocator(polarisConfigProperties, polarisContextProperties,
-				configFileService, polarisPropertySourceManager, environment);
+				configFileService, environment);
 
 		when(polarisContextProperties.getNamespace()).thenReturn(testNamespace);
 		when(polarisContextProperties.getService()).thenReturn(testServiceName);
@@ -146,7 +150,7 @@ public class PolarisConfigFileLocatorTest {
 	@Test
 	public void testGetCustomFiles() {
 		PolarisConfigFileLocator locator = new PolarisConfigFileLocator(polarisConfigProperties, polarisContextProperties,
-				configFileService, polarisPropertySourceManager, environment);
+				configFileService, environment);
 
 		when(polarisContextProperties.getNamespace()).thenReturn(testNamespace);
 		when(polarisContextProperties.getService()).thenReturn(testServiceName);

spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/adapter/PolarisPropertiesSourceAutoRefresherTest.java

@@ -24,7 +24,6 @@ import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
 
-import com.google.common.collect.Lists;
 import com.tencent.cloud.polaris.config.config.PolarisConfigProperties;
 import com.tencent.cloud.polaris.config.spring.property.PlaceholderHelper;
 import com.tencent.cloud.polaris.config.spring.property.SpringValue;
@@ -32,6 +31,7 @@ import com.tencent.cloud.polaris.config.spring.property.SpringValueRegistry;
 import com.tencent.polaris.configuration.api.core.ChangeType;
 import com.tencent.polaris.configuration.api.core.ConfigKVFileChangeEvent;
 import com.tencent.polaris.configuration.api.core.ConfigPropertyChangeInfo;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
@@ -59,8 +59,6 @@ public class PolarisPropertiesSourceAutoRefresherTest {
 	private final String testFileName = "application.properties";
 	@Mock
 	private PolarisConfigProperties polarisConfigProperties;
-	@Mock
-	private PolarisPropertySourceManager polarisPropertySourceManager;
 
 	@Mock
 	private SpringValueRegistry springValueRegistry;
@@ -68,10 +66,14 @@ public class PolarisPropertiesSourceAutoRefresherTest {
 	@Mock
 	private PlaceholderHelper placeholderHelper;
 
+	@BeforeEach
+	public void setUp() {
+		PolarisPropertySourceManager.clearPropertySources();
+	}
+
 	@Test
 	public void testConfigFileChanged() throws Exception {
-		PolarisRefreshAffectedContextRefresher refresher = new PolarisRefreshAffectedContextRefresher(polarisConfigProperties,
+		PolarisRefreshAffectedContextRefresher refresher = new PolarisRefreshAffectedContextRefresher(polarisConfigProperties, springValueRegistry, placeholderHelper);
-				polarisPropertySourceManager, springValueRegistry, placeholderHelper);
 		ConfigurableApplicationContext applicationContext = mock(ConfigurableApplicationContext.class);
 		ConfigurableListableBeanFactory beanFactory = mock(ConfigurableListableBeanFactory.class);
 		TypeConverter typeConverter = mock(TypeConverter.class);
@@ -99,7 +101,7 @@ public class PolarisPropertiesSourceAutoRefresherTest {
 		PolarisPropertySource polarisPropertySource = new PolarisPropertySource(testNamespace, testServiceName, testFileName,
 				file, content);
 
-		when(polarisPropertySourceManager.getAllPropertySources()).thenReturn(Lists.newArrayList(polarisPropertySource));
+		PolarisPropertySourceManager.addPropertySource(polarisPropertySource);
 
 		ConfigPropertyChangeInfo changeInfo = new ConfigPropertyChangeInfo("k1", "v1", "v11", ChangeType.MODIFIED);
 		ConfigPropertyChangeInfo changeInfo2 = new ConfigPropertyChangeInfo("k4", null, "v4", ChangeType.ADDED);

spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/condition/ConditionalOnReflectRefreshTypeTest.java

@@ -24,7 +24,6 @@ import java.util.Objects;
 
 import com.tencent.cloud.polaris.config.PolarisConfigAutoConfiguration;
 import com.tencent.cloud.polaris.config.PolarisConfigBootstrapAutoConfiguration;
-import com.tencent.cloud.polaris.config.adapter.PolarisPropertySourceManager;
 import com.tencent.cloud.polaris.config.adapter.PolarisRefreshAffectedContextRefresher;
 import com.tencent.cloud.polaris.config.adapter.PolarisRefreshEntireContextRefresher;
 import com.tencent.cloud.polaris.config.config.PolarisConfigProperties;
@@ -107,7 +106,6 @@ public class ConditionalOnReflectRefreshTypeTest {
 				.withPropertyValues("spring.cloud.polaris.config.enabled=true");
 		contextRunner.run(context -> {
 			assertThat(context).hasSingleBean(PolarisConfigProperties.class);
-			assertThat(context).hasSingleBean(PolarisPropertySourceManager.class);
 			assertThat(context).hasSingleBean(ContextRefresher.class);
 			assertThat(context).hasSingleBean(PolarisRefreshEntireContextRefresher.class);
 		});

spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/endpoint/PolarisConfigEndpointTest.java

@@ -26,13 +26,13 @@ import com.tencent.cloud.polaris.config.adapter.MockedConfigKVFile;
 import com.tencent.cloud.polaris.config.adapter.PolarisPropertySource;
 import com.tencent.cloud.polaris.config.adapter.PolarisPropertySourceManager;
 import com.tencent.cloud.polaris.config.config.PolarisConfigProperties;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.mockito.Mockito.when;
 
 /**
  * Test for polaris config endpoint.
@@ -48,8 +48,11 @@ public class PolarisConfigEndpointTest {
 
 	@Mock
 	private PolarisConfigProperties polarisConfigProperties;
-	@Mock
+
-	private PolarisPropertySourceManager polarisPropertySourceManager;
+	@BeforeEach
+	public void setUp() {
+		PolarisPropertySourceManager.clearPropertySources();
+	}
 
 	@Test
 	public void testPolarisConfigEndpoint() {
@@ -60,9 +63,9 @@ public class PolarisConfigEndpointTest {
 		MockedConfigKVFile file = new MockedConfigKVFile(content);
 		PolarisPropertySource polarisPropertySource = new PolarisPropertySource(testNamespace, testServiceName, testFileName,
 				file, content);
-		when(polarisPropertySourceManager.getAllPropertySources()).thenReturn(Lists.newArrayList(polarisPropertySource));
+		PolarisPropertySourceManager.addPropertySource(polarisPropertySource);
 
-		PolarisConfigEndpoint endpoint = new PolarisConfigEndpoint(polarisConfigProperties, polarisPropertySourceManager);
+		PolarisConfigEndpoint endpoint = new PolarisConfigEndpoint(polarisConfigProperties);
 		Map<String, Object> info = endpoint.polarisConfig();
 		assertThat(polarisConfigProperties).isEqualTo(info.get("PolarisConfigProperties"));
 		assertThat(Lists.newArrayList(polarisPropertySource)).isEqualTo(info.get("PolarisPropertySource"));

spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/listener/PolarisConfigRefreshOptimizationListenerNotTriggeredTest.java

@@ -21,7 +21,6 @@ package com.tencent.cloud.polaris.config.listener;
 import java.util.HashMap;
 import java.util.Map;
 
-import com.google.common.collect.Lists;
 import com.tencent.cloud.polaris.config.adapter.MockedConfigKVFile;
 import com.tencent.cloud.polaris.config.adapter.PolarisPropertySource;
 import com.tencent.cloud.polaris.config.adapter.PolarisPropertySourceManager;
@@ -31,6 +30,7 @@ import com.tencent.cloud.polaris.config.enums.RefreshType;
 import com.tencent.polaris.configuration.api.core.ChangeType;
 import com.tencent.polaris.configuration.api.core.ConfigKVFileChangeEvent;
 import com.tencent.polaris.configuration.api.core.ConfigPropertyChangeInfo;
+import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mockito;
@@ -77,6 +77,11 @@ public class PolarisConfigRefreshOptimizationListenerNotTriggeredTest {
 	@Autowired
 	private ConfigurableApplicationContext context;
 
+	@BeforeAll
+	static void beforeAll() {
+		PolarisPropertySourceManager.clearPropertySources();
+	}
+
 	@Test
 	public void testNotSwitchConfigRefreshType() {
 		RefreshType actualRefreshType = context.getEnvironment()
@@ -100,12 +105,12 @@ public class PolarisConfigRefreshOptimizationListenerNotTriggeredTest {
 
 		PolarisPropertySource polarisPropertySource = new PolarisPropertySource(TEST_NAMESPACE, TEST_SERVICE_NAME, TEST_FILE_NAME,
 				file, content);
-		PolarisPropertySourceManager manager = context.getBean(PolarisPropertySourceManager.class);
+		PolarisPropertySourceManager.addPropertySource(polarisPropertySource);
-		when(manager.getAllPropertySources()).thenReturn(Lists.newArrayList(polarisPropertySource));
 
 		PolarisRefreshAffectedContextRefresher refresher = context.getBean(PolarisRefreshAffectedContextRefresher.class);
 		PolarisRefreshAffectedContextRefresher spyRefresher = Mockito.spy(refresher);
 
+		refresher.setRegistered(false);
 		spyRefresher.onApplicationEvent(null);
 
 		ConfigPropertyChangeInfo changeInfo = new ConfigPropertyChangeInfo("k1", "v1", "v11", ChangeType.MODIFIED);
@@ -134,12 +139,6 @@ public class PolarisConfigRefreshOptimizationListenerNotTriggeredTest {
 	@SpringBootApplication
 	protected static class TestApplication {
 
-		@Primary
-		@Bean
-		public PolarisPropertySourceManager polarisPropertySourceManager() {
-			return mock(PolarisPropertySourceManager.class);
-		}
-
 		@Primary
 		@Bean
 		public ContextRefresher contextRefresher() {

spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/listener/PolarisConfigRefreshOptimizationListenerTriggeredTest.java

@@ -21,7 +21,6 @@ package com.tencent.cloud.polaris.config.listener;
 import java.util.HashMap;
 import java.util.Map;
 
-import com.google.common.collect.Lists;
 import com.tencent.cloud.polaris.config.adapter.MockedConfigKVFile;
 import com.tencent.cloud.polaris.config.adapter.PolarisPropertySource;
 import com.tencent.cloud.polaris.config.adapter.PolarisPropertySourceManager;
@@ -31,6 +30,7 @@ import com.tencent.cloud.polaris.config.enums.RefreshType;
 import com.tencent.polaris.configuration.api.core.ChangeType;
 import com.tencent.polaris.configuration.api.core.ConfigKVFileChangeEvent;
 import com.tencent.polaris.configuration.api.core.ConfigPropertyChangeInfo;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mockito;
@@ -78,6 +78,11 @@ public class PolarisConfigRefreshOptimizationListenerTriggeredTest {
 	@Autowired
 	private ConfigurableApplicationContext context;
 
+	@BeforeEach
+	public void setUp() {
+		PolarisPropertySourceManager.clearPropertySources();
+	}
+
 	@Test
 	public void testSwitchConfigRefreshType() {
 		RefreshType actualRefreshType = context.getEnvironment()
@@ -101,12 +106,12 @@ public class PolarisConfigRefreshOptimizationListenerTriggeredTest {
 
 		PolarisPropertySource polarisPropertySource = new PolarisPropertySource(TEST_NAMESPACE, TEST_SERVICE_NAME, TEST_FILE_NAME,
 				file, content);
-		PolarisPropertySourceManager manager = context.getBean(PolarisPropertySourceManager.class);
+		PolarisPropertySourceManager.addPropertySource(polarisPropertySource);
-		when(manager.getAllPropertySources()).thenReturn(Lists.newArrayList(polarisPropertySource));
 
 		PolarisRefreshEntireContextRefresher refresher = context.getBean(PolarisRefreshEntireContextRefresher.class);
 		PolarisRefreshEntireContextRefresher spyRefresher = Mockito.spy(refresher);
 
+		refresher.setRegistered(false);
 		spyRefresher.onApplicationEvent(null);
 
 		ConfigPropertyChangeInfo changeInfo = new ConfigPropertyChangeInfo("k1", "v1", "v11", ChangeType.MODIFIED);
@@ -135,12 +140,6 @@ public class PolarisConfigRefreshOptimizationListenerTriggeredTest {
 	@SpringBootApplication
 	protected static class TestApplication {
 
-		@Primary
-		@Bean
-		public PolarisPropertySourceManager polarisPropertySourceManager() {
-			return mock(PolarisPropertySourceManager.class);
-		}
-
 		@Primary
 		@Bean
 		public ContextRefresher contextRefresher() {

spring-cloud-tencent-examples/polaris-router-grayrelease-lane-example/pom.xml

@@ -21,11 +21,4 @@
 	<packaging>pom</packaging>
 	<name>Spring Cloud Tencent Polaris Router Lane Example</name>
 	<description>Example of Spring Cloud Tencent Polaris Router Lane</description>
-
-	<dependencies>
-		<dependency>
-			<groupId>org.springframework.cloud</groupId>
-			<artifactId>spring-cloud-starter-bootstrap</artifactId>
-		</dependency>
-	</dependencies>
 </project>

spring-cloud-tencent-polaris-context/src/main/java/com/tencent/cloud/polaris/context/PolarisConfigurationConfigModifier.java

@@ -0,0 +1,26 @@
+/*
+ * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
+ *
+ * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+ *
+ * Licensed under the BSD 3-Clause License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+package com.tencent.cloud.polaris.context;
+
+/**
+ * Config modifier interface for Polaris configuration.
+ *
+ * @author Haotian Zhang
+ */
+public interface PolarisConfigurationConfigModifier extends PolarisConfigModifier {
+}

spring-cloud-tencent-polaris-context/src/main/java/com/tencent/cloud/polaris/context/PolarisSDKContextManager.java

@@ -17,6 +17,7 @@
 
 package com.tencent.cloud.polaris.context;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
 
@@ -25,6 +26,7 @@ import com.tencent.polaris.api.control.Destroyable;
 import com.tencent.polaris.api.core.ConsumerAPI;
 import com.tencent.polaris.api.core.LosslessAPI;
 import com.tencent.polaris.api.core.ProviderAPI;
+import com.tencent.polaris.api.utils.CollectionUtils;
 import com.tencent.polaris.assembly.api.AssemblyAPI;
 import com.tencent.polaris.assembly.factory.AssemblyAPIFactory;
 import com.tencent.polaris.circuitbreak.api.CircuitBreakAPI;
@@ -53,7 +55,8 @@ public class PolarisSDKContextManager {
 	 * Constant for checking before destroy SDK context.
 	 */
 	public volatile static boolean isRegistered = false;
-	private volatile static SDKContext sdkContext;
+	private volatile static SDKContext configSDKContext;
+	private volatile static SDKContext serviceSdkContext;
 	private volatile static ProviderAPI providerAPI;
 	private volatile static ConsumerAPI consumerAPI;
 	private volatile static LosslessAPI losslessAPI;
@@ -75,7 +78,7 @@ public class PolarisSDKContextManager {
 	 * Don't call this method directly.
 	 */
 	public static void innerDestroy() {
-		if (Objects.nonNull(sdkContext)) {
+		if (Objects.nonNull(serviceSdkContext)) {
 			try {
 				// destroy ProviderAPI
 				if (Objects.nonNull(providerAPI)) {
@@ -119,9 +122,9 @@ public class PolarisSDKContextManager {
 					assemblyAPI = null;
 				}
 
-				if (Objects.nonNull(sdkContext)) {
+				if (Objects.nonNull(serviceSdkContext)) {
-					sdkContext.destroy();
+					serviceSdkContext.destroy();
-					sdkContext = null;
+					serviceSdkContext = null;
 				}
 				LOG.info("Polaris SDK context is destroyed.");
 			}
@@ -131,35 +134,58 @@ public class PolarisSDKContextManager {
 		}
 	}
 
+	/**
+	 * Used for config data.
+	 */
+	public static SDKContext innerGetConfigSDKContext() {
+		if (configSDKContext == null) {
+			throw new IllegalArgumentException("configSDKContext is not initialized.");
+		}
+		return configSDKContext;
+	}
+
+	public static void innerConfigDestroy() {
+		try {
+			if (Objects.nonNull(configSDKContext)) {
+				configSDKContext.destroy();
+				configSDKContext = null;
+			}
+			LOG.info("Polaris SDK config context is destroyed.");
+		}
+		catch (Throwable throwable) {
+			LOG.info("Polaris SDK config context is destroyed failed.", throwable);
+		}
+	}
+
 	public void init() {
-		if (null == sdkContext) {
+		if (null == serviceSdkContext) {
 			try {
 				// init SDKContext
-				sdkContext = SDKContext.initContextByConfig(properties.configuration(modifierList,
+				serviceSdkContext = SDKContext.initContextByConfig(properties.configuration(modifierList,
 						() -> environment.getProperty("spring.cloud.client.ip-address"),
 						() -> environment.getProperty("spring.cloud.polaris.local-port", Integer.class, 0)));
-				sdkContext.init();
+				serviceSdkContext.init();
 
 				// init ProviderAPI
-				providerAPI = DiscoveryAPIFactory.createProviderAPIByContext(sdkContext);
+				providerAPI = DiscoveryAPIFactory.createProviderAPIByContext(serviceSdkContext);
 
 				// init losslessAPI
-				losslessAPI = DiscoveryAPIFactory.createLosslessAPIByContext(sdkContext);
+				losslessAPI = DiscoveryAPIFactory.createLosslessAPIByContext(serviceSdkContext);
 
 				// init ConsumerAPI
-				consumerAPI = DiscoveryAPIFactory.createConsumerAPIByContext(sdkContext);
+				consumerAPI = DiscoveryAPIFactory.createConsumerAPIByContext(serviceSdkContext);
 
 				// init RouterAPI
-				routerAPI = RouterAPIFactory.createRouterAPIByContext(sdkContext);
+				routerAPI = RouterAPIFactory.createRouterAPIByContext(serviceSdkContext);
 
 				// init CircuitBreakAPI
-				circuitBreakAPI = CircuitBreakAPIFactory.createCircuitBreakAPIByContext(sdkContext);
+				circuitBreakAPI = CircuitBreakAPIFactory.createCircuitBreakAPIByContext(serviceSdkContext);
 
 				// init LimitAPI
-				limitAPI = LimitAPIFactory.createLimitAPIByContext(sdkContext);
+				limitAPI = LimitAPIFactory.createLimitAPIByContext(serviceSdkContext);
 
 				// init AssemblyAPI
-				assemblyAPI = AssemblyAPIFactory.createAssemblyAPIByContext(sdkContext);
+				assemblyAPI = AssemblyAPIFactory.createAssemblyAPIByContext(serviceSdkContext);
 
 				// add shutdown hook
 				Runtime.getRuntime().addShutdownHook(new Thread(() -> {
@@ -182,11 +208,25 @@ public class PolarisSDKContextManager {
 				throw throwable;
 			}
 		}
+
+		initConfig();
+	}
+
+	/**
+	 * Used for config data.
+	 */
+	public static void setConfigSDKContext(SDKContext context) {
+		if (configSDKContext == null) {
+			configSDKContext = context;
+			// add shutdown hook
+			Runtime.getRuntime().addShutdownHook(new Thread(PolarisSDKContextManager::innerConfigDestroy));
+			LOG.info("create Polaris config SDK context successfully.");
+		}
 	}
 
 	public SDKContext getSDKContext() {
 		init();
-		return sdkContext;
+		return serviceSdkContext;
 	}
 
 	public ProviderAPI getProviderAPI() {
@@ -222,4 +262,36 @@ public class PolarisSDKContextManager {
 	public AssemblyAPI getAssemblyAPI() {
 		return assemblyAPI;
 	}
+
+	public SDKContext getConfigSDKContext() {
+		initConfig();
+		return configSDKContext;
+	}
+
+	public void initConfig() {
+		// get modifiers for configuration.
+		List<PolarisConfigModifier> configModifierList = new ArrayList<>();
+		for (PolarisConfigModifier modifier : modifierList) {
+			if (modifier instanceof PolarisConfigurationConfigModifier) {
+				configModifierList.add(modifier);
+			}
+		}
+		if (null == configSDKContext && CollectionUtils.isNotEmpty(configModifierList)) {
+			try {
+				// init config SDKContext
+				configSDKContext = SDKContext.initContextByConfig(properties.configuration(configModifierList,
+						() -> environment.getProperty("spring.cloud.client.ip-address"),
+						() -> environment.getProperty("spring.cloud.polaris.local-port", Integer.class, 0)));
+				configSDKContext.init();
+
+				// add shutdown hook
+				Runtime.getRuntime().addShutdownHook(new Thread(PolarisSDKContextManager::innerConfigDestroy));
+				LOG.info("create Polaris config SDK context successfully. properties: {}, ", properties);
+			}
+			catch (Throwable throwable) {
+				LOG.error("create Polaris config SDK context failed. properties: {}, ", properties, throwable);
+				throw throwable;
+			}
+		}
+	}
 }

spring-cloud-tencent-polaris-context/src/main/java/com/tencent/cloud/polaris/context/config/PolarisContextProperties.java

@@ -76,6 +76,7 @@ public class PolarisContextProperties {
 	/**
 	 * polaris service name.
 	 */
+	@Value("${spring.cloud.polaris.service:${spring.application.name:}}")
 	private String service;
 
 	public Configuration configuration(List<PolarisConfigModifier> modifierList, Supplier<String> ipAddressSupplier, Supplier<Integer> portSupplier) {