DATASOURCE::ROCKETMQ::Topic类型用于查询单个Topic的详情信息。
语法
{
  "Type": "DATASOURCE::ROCKETMQ::Topic",
  "Properties": {
    "InstanceId": String,
    "TopicName": String,
    "RefreshOptions": String
  }
}属性
属性名称  | 类型  | 必须  | 允许更新  | 描述  | 约束  | 
InstanceId  | String  | 是  | 是  | Topic所在的实例ID。  | 无  | 
TopicName  | String  | 是  | 是  | Topic名称。  | 无  | 
RefreshOptions  | String  | 否  | 是  | 当资源栈更新时,数据源资源的刷新策略。  | 有效值: 
  | 
返回值
Fn::GetAtt
InstanceId:Topic所在的实例ID。
CreateTime:创建时间。
UpdateTime:消息最后的修改时间。
MessageType:消息类型。
Remark:备注信息。
TopicName:Topic名称。
示例
ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  InstanceId:
    Type: String
    Description:
      en: The ID of the instance to which the topic belongs.
    Required: true
  TopicName:
    Type: String
    Description:
      en: The name of the topic.
    Required: true
Resources:
  ExtensionDataSource:
    Type: DATASOURCE::ROCKETMQ::Topic
    Properties:
      InstanceId:
        Ref: InstanceId
      TopicName:
        Ref: TopicName
Outputs:
  InstanceId:
    Description: The ID of the instance to which the topic belongs.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - InstanceId
  CreateTime:
    Description: The time when the topic was created.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - CreateTime
  UpdateTime:
    Description: The time when the topic was last updated.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - UpdateTime
  MessageType:
    Description: The message type of the topic.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - MessageType
  Remark:
    Description: The remarks on the topic.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - Remark
  TopicName:
    Description: The name of the topic.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - TopicName
{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "InstanceId": {
      "Type": "String",
      "Description": {
        "en": "The ID of the instance to which the topic belongs."
      },
      "Required": true
    },
    "TopicName": {
      "Type": "String",
      "Description": {
        "en": "The name of the topic."
      },
      "Required": true
    }
  },
  "Resources": {
    "ExtensionDataSource": {
      "Type": "DATASOURCE::ROCKETMQ::Topic",
      "Properties": {
        "InstanceId": {
          "Ref": "InstanceId"
        },
        "TopicName": {
          "Ref": "TopicName"
        }
      }
    }
  },
  "Outputs": {
    "InstanceId": {
      "Description": "The ID of the instance to which the topic belongs.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "InstanceId"
        ]
      }
    },
    "CreateTime": {
      "Description": "The time when the topic was created.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "CreateTime"
        ]
      }
    },
    "UpdateTime": {
      "Description": "The time when the topic was last updated.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "UpdateTime"
        ]
      }
    },
    "MessageType": {
      "Description": "The message type of the topic.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "MessageType"
        ]
      }
    },
    "Remark": {
      "Description": "The remarks on the topic.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "Remark"
        ]
      }
    },
    "TopicName": {
      "Description": "The name of the topic.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "TopicName"
        ]
      }
    }
  }
}
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