code: public void add(final OrchestrationShardingSchema orchestrationShardingSchema) {
          String schemaName = orchestrationShardingSchema.getSchemaName();
          if (!schemaGroup.containsKey(schemaName)) {
              schemaGroup.put(schemaName, new LinkedList<String>());
          }
          schemaGroup.get(schemaName).add(orchestrationShardingSchema.getDataSourceName());
      }
docs: Add orchestration sharding schema.
  
  @param orchestrationShardingSchema orchestration sharding schema