{
  "schema": {
    "bsonType": "object",
    "required": [
      "role_id"
    ],
    "permission": {
      "read": false, 
      "create": false, 
      "update": false,
      "delete": false
    },
    "properties": {
      "_id": {
        "description": "存储文档 ID，系统自动生成"
      },
      "role_id": {
        "title": "唯一ID",
        "bsonType": "string",
        "description": "角色唯一标识，不可修改，不允许重复"
      },
      "role_name": {
        "title": "名称",
        "bsonType": "string",
        "description": "角色名称"
      },
      "permission": {
        "title": "权限",
        "bsonType": "array",
        "description": "角色拥有的权限列表"
      },
      "comment": {
        "title": "备注",
        "bsonType": "string",
        "description": "备注"
      },
      "create_date": {
        "bsonType": "timestamp",
        "description": "创建时间",
        "forceDefaultValue": {
          "$env": "now"
        }
      }
    }
  },
  "index": [
    {
      "IndexName": "role_id_",
      "MgoKeySchema": {
        "MgoIndexKeys": [
          {
            "Name": "role_id", 
            "Direction": "1"
          }
        ],
        "MgoIsUnique": true
      }
    },
    {
      "IndexName": "permission",
      "MgoKeySchema": {
        "MgoIndexKeys": [
          {
            "Name": "permission", 
            "Direction": "1"
          }
        ],
        "MgoIsUnique": false
      }
    }
  ]
}