How to use

loadDataSourceConfigurations

method

in

org.apache.shardingsphere.orchestration.internal.registry.config.service.ConfigurationService

private SchemaAddedEvent createSchemaAddedEvent(final String shardingSchemaName) {
  existedSchemaNames.add(shardingSchemaName);
  return new SchemaAddedEvent(shardingSchemaName, configurationService.loadDataSourceConfigurations(shardingSchemaName), createRuleConfiguration(shardingSchemaName));
}

private static Map<String, Map<String, YamlDataSourceParameter>> getSchemaDataSourceParameterMap(final ShardingOrchestrationFacade shardingOrchestrationFacade) {
  Map<String, Map<String, YamlDataSourceParameter>> result = new LinkedHashMap<>();
  for (String each : shardingOrchestrationFacade.getConfigService().getAllShardingSchemaNames()) {
    result.put(each, DataSourceConverter.getDataSourceParameterMap(shardingOrchestrationFacade.getConfigService().loadDataSourceConfigurations(each)));
  }
  return result;
}

private static Map<String, Map<String, YamlDataSourceParameter>> getSchemaDataSourceParameterMap(final ShardingOrchestrationFacade shardingOrchestrationFacade) {
  Map<String, Map<String, YamlDataSourceParameter>> result = new LinkedHashMap<>();
  for (String each : shardingOrchestrationFacade.getConfigService().getAllShardingSchemaNames()) {
    result.put(each, DataSourceConverter.getDataSourceParameterMap(shardingOrchestrationFacade.getConfigService().loadDataSourceConfigurations(each)));
  }
  return result;
}

public OrchestrationShardingDataSource(final OrchestrationConfiguration orchestrationConfig) throws SQLException {
  super(new ShardingOrchestrationFacade(orchestrationConfig, Collections.singletonList(ShardingConstant.LOGIC_SCHEMA_NAME)));
  ConfigurationService configService = getShardingOrchestrationFacade().getConfigService();
  ShardingRuleConfiguration shardingRuleConfig = configService.loadShardingRuleConfiguration(ShardingConstant.LOGIC_SCHEMA_NAME);
  Preconditions.checkState(null != shardingRuleConfig && !shardingRuleConfig.getTableRuleConfigs().isEmpty(), "Missing the sharding rule configuration on registry center");
  dataSource = new ShardingDataSource(DataSourceConverter.getDataSourceMap(configService.loadDataSourceConfigurations(ShardingConstant.LOGIC_SCHEMA_NAME)),
      new OrchestrationShardingRule(shardingRuleConfig, configService.loadDataSourceConfigurations(ShardingConstant.LOGIC_SCHEMA_NAME).keySet()),
      configService.loadConfigMap(), configService.loadProperties());
  getShardingOrchestrationFacade().init();
}

public OrchestrationMasterSlaveDataSource(final OrchestrationConfiguration orchestrationConfig) throws SQLException {
  super(new ShardingOrchestrationFacade(orchestrationConfig, Collections.singletonList(ShardingConstant.LOGIC_SCHEMA_NAME)));
  ConfigurationService configService = getShardingOrchestrationFacade().getConfigService();
  MasterSlaveRuleConfiguration masterSlaveRuleConfig = configService.loadMasterSlaveRuleConfiguration(ShardingConstant.LOGIC_SCHEMA_NAME);
  Preconditions.checkState(null != masterSlaveRuleConfig && !Strings.isNullOrEmpty(masterSlaveRuleConfig.getMasterDataSourceName()), "No available master slave rule configuration to load.");
  dataSource = new MasterSlaveDataSource(DataSourceConverter.getDataSourceMap(configService.loadDataSourceConfigurations(ShardingConstant.LOGIC_SCHEMA_NAME)),
      new OrchestrationMasterSlaveRule(masterSlaveRuleConfig), configService.loadConfigMap(), configService.loadProperties());
  getShardingOrchestrationFacade().init();
}