Refactor registry center structure
diff --git a/shardingsphere-ui-backend/src/main/java/org/apache/shardingsphere/ui/servcie/impl/ShardingSchemaServiceImpl.java b/shardingsphere-ui-backend/src/main/java/org/apache/shardingsphere/ui/servcie/impl/ShardingSchemaServiceImpl.java
index fb68cba..0255989 100644
--- a/shardingsphere-ui-backend/src/main/java/org/apache/shardingsphere/ui/servcie/impl/ShardingSchemaServiceImpl.java
+++ b/shardingsphere-ui-backend/src/main/java/org/apache/shardingsphere/ui/servcie/impl/ShardingSchemaServiceImpl.java
@@ -1,144 +1,144 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * 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 org.apache.shardingsphere.ui.servcie.impl;
-
-import com.google.common.base.Joiner;
-import com.google.common.base.Preconditions;
-import com.google.common.base.Splitter;
-import com.google.common.base.Strings;
-import org.apache.shardingsphere.governance.repository.api.ConfigurationRepository;
-import org.apache.shardingsphere.infra.config.datasource.DataSourceConfiguration;
-import org.apache.shardingsphere.ui.servcie.ConfigCenterService;
-import org.apache.shardingsphere.ui.servcie.ShardingSchemaService;
-import org.apache.shardingsphere.ui.util.ConfigurationYamlConverter;
-import org.springframework.stereotype.Service;
-
-import javax.annotation.Resource;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-
-/**
- * Implementation of sharding schema service.
- */
-@Service
-public final class ShardingSchemaServiceImpl implements ShardingSchemaService {
-
- @Resource
- private ConfigCenterService configCenterService;
-
- @Override
- public Collection<String> getAllSchemaNames() {
- return configCenterService.getActivatedConfigCenter().getChildrenKeys(configCenterService.getActivateConfigurationNode().getMetadataNodePath());
- }
-
- @Override
- public String getRuleConfiguration(final String schemaName) {
- return configCenterService.getActivatedConfigCenter().get(configCenterService.getActivateConfigurationNode().getRulePath(schemaName));
- }
-
- @Override
- public String getDataSourceConfiguration(final String schemaName) {
- return configCenterService.getActivatedConfigCenter().get(configCenterService.getActivateConfigurationNode().getDataSourcePath(schemaName));
- }
-
- @Override
- public void updateRuleConfiguration(final String schemaName, final String configData) {
- checkRuleConfiguration(configData);
- persistRuleConfiguration(schemaName, configData);
- }
-
- @Override
- public void updateDataSourceConfiguration(final String schemaName, final String configData) {
- checkDataSourceConfiguration(configData);
- persistDataSourceConfiguration(schemaName, configData);
- }
-
- @Override
- public void addSchemaConfiguration(final String schemaName, final String ruleConfiguration, final String dataSourceConfiguration) {
- checkSchemaName(schemaName, getAllSchemaNames());
- checkRuleConfiguration(ruleConfiguration);
- checkDataSourceConfiguration(dataSourceConfiguration);
- persistRuleConfiguration(schemaName, ruleConfiguration);
- persistDataSourceConfiguration(schemaName, dataSourceConfiguration);
- persistSchemaName(schemaName);
- }
-
- @Override
- public void deleteSchemaConfiguration(final String schemaName) {
- ConfigurationRepository configCenterRepository = configCenterService.getActivatedConfigCenter();
- String schemaNamePath = configCenterService.getActivateConfigurationNode().getSchemaNamePath(schemaName);
- configCenterRepository.delete(schemaNamePath);
- String schemaNames = configCenterRepository.get(configCenterService.getActivateConfigurationNode().getMetadataNodePath());
- List<String> schemaNameList = new ArrayList<>(Splitter.on(",").splitToList(schemaNames));
- schemaNameList.remove(schemaName);
- configCenterRepository.persist(configCenterService.getActivateConfigurationNode().getMetadataNodePath(), Joiner.on(",").join(schemaNameList));
- }
-
- @Override
- public String getMetadataConfiguration(final String schemaName) {
- return configCenterService.getActivatedConfigCenter().get(
- configCenterService.getActivateConfigurationNode().getSchemaPath(schemaName));
- }
-
- private void checkRuleConfiguration(final String configData) {
- try {
- ConfigurationYamlConverter.loadRuleConfigurations(configData);
- // CHECKSTYLE:OFF
- } catch (final Exception ex) {
- // CHECKSTYLE:ON
- throw new IllegalArgumentException("rule configuration is invalid.", ex);
- }
- }
-
- private void persistRuleConfiguration(final String schemaName, final String ruleConfiguration) {
- configCenterService.getActivatedConfigCenter().persist(configCenterService.getActivateConfigurationNode().getRulePath(schemaName), ruleConfiguration);
- }
-
- private void checkDataSourceConfiguration(final String configData) {
- try {
- Map<String, DataSourceConfiguration> dataSourceConfigs = ConfigurationYamlConverter.loadDataSourceConfigurations(configData);
- Preconditions.checkState(!dataSourceConfigs.isEmpty(), "data source configuration is invalid.");
- // CHECKSTYLE:OFF
- } catch (final Exception ex) {
- // CHECKSTYLE:ON
- throw new IllegalArgumentException("data source configuration is invalid.");
- }
- }
-
- private void persistDataSourceConfiguration(final String schemaName, final String dataSourceConfiguration) {
- configCenterService.getActivatedConfigCenter().persist(configCenterService.getActivateConfigurationNode().getDataSourcePath(schemaName), dataSourceConfiguration);
- }
-
- private void checkSchemaName(final String schemaName, final Collection<String> existedSchemaNames) {
- Preconditions.checkArgument(!Strings.isNullOrEmpty(schemaName), "schema name is invalid.");
- Preconditions.checkArgument(!existedSchemaNames.contains(schemaName), "schema name already exists.");
- }
-
- private void persistSchemaName(final String schemaName) {
- ConfigurationRepository configCenterRepository = configCenterService.getActivatedConfigCenter();
- String schemaPath = configCenterService.getActivateConfigurationNode().getMetadataNodePath();
- String schemaNames = configCenterRepository.get(schemaPath);
- List<String> schemaNameList = Strings.isNullOrEmpty(schemaNames) ? new ArrayList<>() : new ArrayList<>(Splitter.on(",").splitToList(schemaNames));
- if (!schemaNameList.contains(schemaName)) {
- schemaNameList.add(schemaName);
- configCenterRepository.persist(schemaPath, Joiner.on(",").join(schemaNameList));
- }
- }
-}
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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 org.apache.shardingsphere.ui.servcie.impl;
+
+import com.google.common.base.Joiner;
+import com.google.common.base.Preconditions;
+import com.google.common.base.Splitter;
+import com.google.common.base.Strings;
+import org.apache.shardingsphere.governance.repository.api.ConfigurationRepository;
+import org.apache.shardingsphere.infra.config.datasource.DataSourceConfiguration;
+import org.apache.shardingsphere.ui.servcie.ConfigCenterService;
+import org.apache.shardingsphere.ui.servcie.ShardingSchemaService;
+import org.apache.shardingsphere.ui.util.ConfigurationYamlConverter;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Implementation of sharding schema service.
+ */
+@Service
+public final class ShardingSchemaServiceImpl implements ShardingSchemaService {
+
+ @Resource
+ private ConfigCenterService configCenterService;
+
+ @Override
+ public Collection<String> getAllSchemaNames() {
+ return configCenterService.getActivatedConfigCenter().getChildrenKeys(configCenterService.getActivateConfigurationNode().getMetadataNodePath());
+ }
+
+ @Override
+ public String getRuleConfiguration(final String schemaName) {
+ return configCenterService.getActivatedConfigCenter().get(configCenterService.getActivateConfigurationNode().getRulePath(schemaName));
+ }
+
+ @Override
+ public String getDataSourceConfiguration(final String schemaName) {
+ return configCenterService.getActivatedConfigCenter().get(configCenterService.getActivateConfigurationNode().getDataSourcePath(schemaName));
+ }
+
+ @Override
+ public void updateRuleConfiguration(final String schemaName, final String configData) {
+ checkRuleConfiguration(configData);
+ persistRuleConfiguration(schemaName, configData);
+ }
+
+ @Override
+ public void updateDataSourceConfiguration(final String schemaName, final String configData) {
+ checkDataSourceConfiguration(configData);
+ persistDataSourceConfiguration(schemaName, configData);
+ }
+
+ @Override
+ public void addSchemaConfiguration(final String schemaName, final String ruleConfiguration, final String dataSourceConfiguration) {
+ checkSchemaName(schemaName, getAllSchemaNames());
+ checkRuleConfiguration(ruleConfiguration);
+ checkDataSourceConfiguration(dataSourceConfiguration);
+ persistRuleConfiguration(schemaName, ruleConfiguration);
+ persistDataSourceConfiguration(schemaName, dataSourceConfiguration);
+ persistSchemaName(schemaName);
+ }
+
+ @Override
+ public void deleteSchemaConfiguration(final String schemaName) {
+ ConfigurationRepository configCenterRepository = configCenterService.getActivatedConfigCenter();
+ String schemaNamePath = configCenterService.getActivateConfigurationNode().getSchemaNamePath(schemaName);
+ configCenterRepository.delete(schemaNamePath);
+ String schemaNames = configCenterRepository.get(configCenterService.getActivateConfigurationNode().getMetadataNodePath());
+ List<String> schemaNameList = new ArrayList<>(Splitter.on(",").splitToList(schemaNames));
+ schemaNameList.remove(schemaName);
+ configCenterRepository.persist(configCenterService.getActivateConfigurationNode().getMetadataNodePath(), Joiner.on(",").join(schemaNameList));
+ }
+
+ @Override
+ public String getMetadataConfiguration(final String schemaName) {
+ return configCenterService.getActivatedConfigCenter().get(
+ configCenterService.getActivateConfigurationNode().getSchemaPath(schemaName));
+ }
+
+ private void checkRuleConfiguration(final String configData) {
+ try {
+ ConfigurationYamlConverter.loadRuleConfigurations(configData);
+ // CHECKSTYLE:OFF
+ } catch (final Exception ex) {
+ // CHECKSTYLE:ON
+ throw new IllegalArgumentException("rule configuration is invalid.", ex);
+ }
+ }
+
+ private void persistRuleConfiguration(final String schemaName, final String ruleConfiguration) {
+ configCenterService.getActivatedConfigCenter().persist(configCenterService.getActivateConfigurationNode().getRulePath(schemaName), ruleConfiguration);
+ }
+
+ private void checkDataSourceConfiguration(final String configData) {
+ try {
+ Map<String, DataSourceConfiguration> dataSourceConfigs = ConfigurationYamlConverter.loadDataSourceConfigurations(configData);
+ Preconditions.checkState(!dataSourceConfigs.isEmpty(), "data source configuration is invalid.");
+ // CHECKSTYLE:OFF
+ } catch (final Exception ex) {
+ // CHECKSTYLE:ON
+ throw new IllegalArgumentException("data source configuration is invalid.");
+ }
+ }
+
+ private void persistDataSourceConfiguration(final String schemaName, final String dataSourceConfiguration) {
+ configCenterService.getActivatedConfigCenter().persist(configCenterService.getActivateConfigurationNode().getDataSourcePath(schemaName), dataSourceConfiguration);
+ }
+
+ private void checkSchemaName(final String schemaName, final Collection<String> existedSchemaNames) {
+ Preconditions.checkArgument(!Strings.isNullOrEmpty(schemaName), "schema name is invalid.");
+ Preconditions.checkArgument(!existedSchemaNames.contains(schemaName), "schema name already exists.");
+ }
+
+ private void persistSchemaName(final String schemaName) {
+ ConfigurationRepository configCenterRepository = configCenterService.getActivatedConfigCenter();
+ String schemaPath = configCenterService.getActivateConfigurationNode().getMetadataNodePath();
+ String schemaNames = configCenterRepository.get(schemaPath);
+ List<String> schemaNameList = Strings.isNullOrEmpty(schemaNames) ? new ArrayList<>() : new ArrayList<>(Splitter.on(",").splitToList(schemaNames));
+ if (!schemaNameList.contains(schemaName)) {
+ schemaNameList.add(schemaName);
+ configCenterRepository.persist(schemaPath, Joiner.on(",").join(schemaNameList));
+ }
+ }
+}
