public boolean hasDataSourceConfiguration(final String shardingSchemaName) {
        return !Strings.isNullOrEmpty(regCenter.get(configNode.getDataSourcePath(shardingSchemaName)));
    }
public boolean hasDataSourceConfiguration ( final String shardingSchemaName ) { return ! Strings . isNullOrEmpty ( regCenter . get ( configNode . getDataSourcePath ( shardingSchemaName ) ) ) ; }
Judge whether schema has data source configuration.

@param shardingSchemaName shading schema name
@return has data source configuration or not