versioned_docs/version-0.9.0-incubating/open-api/topics.yaml

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---

paths:

  /metalakes/{metalake}/catalogs/{catalog}/schemas/{schema}/topics:
    parameters:
      - $ref: "./openapi.yaml#/components/parameters/metalake"
      - $ref: "./openapi.yaml#/components/parameters/catalog"
      - $ref: "./openapi.yaml#/components/parameters/schema"

    get:
      tags:
        - topic
      summary: List topics
      operationId: listTopics
      responses:
        "200":
          $ref: "./openapi.yaml#/components/responses/EntityListResponse"
        "400":
          $ref: "./openapi.yaml#/components/responses/BadRequestErrorResponse"
        "5xx":
          $ref: "./openapi.yaml#/components/responses/ServerErrorResponse"

    post:
      tags:
        - topic
      summary: Create topic
      operationId: createTopic
      requestBody:
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/TopicCreateRequest"
            examples:
              TopicCreateRequest:
                $ref: "#/components/examples/TopicCreateRequest"
      responses:
        "200":
          $ref: "#/components/responses/TopicResponse"
        "409":
          description: Conflict - The target topic already exists
          content:
            application/vnd.gravitino.v1+json:
              schema:
                $ref: "./openapi.yaml#/components/schemas/ErrorModel"
              examples:
                TopicAlreadyExistsErrorResponse:
                  $ref: "#/components/examples/TopicAlreadyExistsException"
        "5xx":
          $ref: "./openapi.yaml#/components/responses/ServerErrorResponse"

  /metalakes/{metalake}/catalogs/{catalog}/schemas/{schema}/topics/{topic}:
    parameters:
      - $ref: "./openapi.yaml#/components/parameters/metalake"
      - $ref: "./openapi.yaml#/components/parameters/catalog"
      - $ref: "./openapi.yaml#/components/parameters/schema"
      - $ref: "./openapi.yaml#/components/parameters/topic"

    get:
      tags:
        - topic
      summary: Get topic
      operationId: loadTopic
      description: Return the specified topic object
      responses:
        "200":
          $ref: "#/components/responses/TopicResponse"
        "404":
          description: Not Found - The target topic does not exist
          content:
            application/vnd.gravitino.v1+json:
              schema:
                $ref: "./openapi.yaml#/components/schemas/ErrorModel"
              examples:
                NoSuchMetalakeException:
                  $ref: "./metalakes.yaml#/components/examples/NoSuchMetalakeException"
                NoSuchCatalogException:
                  $ref: "./catalogs.yaml#/components/examples/NoSuchCatalogException"
                NoSuchSchemaException:
                  $ref: "./schemas.yaml#/components/examples/NoSuchSchemaException"
                NoSuchTopicException:
                  $ref: "#/components/examples/NoSuchTopicException"
        "5xx":
          $ref: "./openapi.yaml#/components/responses/ServerErrorResponse"

    put:
      tags:
        - topic
      summary: Update topic
      operationId: alterTopic
      description: Update the specified topic in a schema
      requestBody:
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/TopicUpdatesRequest"
      responses:
        "200":
          $ref: "#/components/responses/TopicResponse"
        "400":
          $ref: "./openapi.yaml#/components/responses/BadRequestErrorResponse"
        "404":
          description: Not Found - The target topic does not exist
          content:
            application/vnd.gravitino.v1+json:
              schema:
                $ref: "./openapi.yaml#/components/schemas/ErrorModel"
              examples:
                NoSuchMetalakeException:
                  $ref: "./metalakes.yaml#/components/examples/NoSuchMetalakeException"
                NoSuchCatalogException:
                  $ref: "./catalogs.yaml#/components/examples/NoSuchCatalogException"
                NoSuchSchemaException:
                  $ref: "./schemas.yaml#/components/examples/NoSuchSchemaException"
                NoSuchTopicException:
                  $ref: "#/components/examples/NoSuchTopicException"
        "409":
          description: Conflict - The target topic already exists
          content:
            application/vnd.gravitino.v1+json:
              schema:
                $ref: "./openapi.yaml#/components/schemas/ErrorModel"
              examples:
                TopicAlreadyExistsErrorResponse:
                  $ref: "#/components/examples/TopicAlreadyExistsException"
        "5xx":
          $ref: "./openapi.yaml#/components/responses/ServerErrorResponse"

    delete:
      tags:
        - topic
      summary: Delete topic
      operationId: dropTopic
      responses:
        "200":
          $ref: "./openapi.yaml#/components/responses/DropResponse"
        "400":
          $ref: "./openapi.yaml#/components/responses/BadRequestErrorResponse"
        "5xx":
          $ref: "./openapi.yaml#/components/responses/ServerErrorResponse"

components:

  schemas:
    Topic:
      type: object
      required:
        - name
      properties:
        name:
          type: string
          description: The name of the topic
        comment:
          type: string
          description: The comment of the topic
        properties:
          type: object
          description: The properties of the topic
          nullable: true
          default: {}
          additionalProperties:
            type: string

    TopicCreateRequest:
      type: object
      required:
        - name
      properties:
        name:
          type: string
          description: The name of the topic
        comment:
          type: string
          description: The comment of the topic
          nullable: true
        properties:
          type: object
          description: The properties of the topic
          nullable: true
          default: {}
          additionalProperties:
            type: string

    TopicUpdatesRequest:
      type: object
      required:
        - updates
      properties:
        updates:
          type: array
          items:
            $ref: "#/components/schemas/TopicUpdateRequest"

    TopicUpdateRequest:
      oneOf:
        - $ref: "#/components/schemas/UpdateTopicCommentRequest"
        - $ref: "#/components/schemas/SetTopicPropertyRequest"
        - $ref: "#/components/schemas/RemoveTopicPropertyRequest"
      discriminator:
        propertyName: "@type"
        mapping:
          updateComment: "#/components/schemas/UpdateTopicCommentRequest"
          setProperty: "#/components/schemas/SetTopicPropertyRequest"
          removeProperty: "#/components/schemas/RemoveTopicPropertyRequest"

    UpdateTopicCommentRequest:
      type: object
      required:
        - "@type"
        - newComment
      properties:
        "@type":
          type: string
          enum:
            - "updateComment"
        newComment:
          type: string
          description: The new comment of the topic
      example: {
        "@type": "updateComment",
        "newComment": "This is the new comment"
      }

    SetTopicPropertyRequest:
      type: object
      required:
        - "@type"
        - property
        - value
      properties:
        "@type":
          type: string
          enum:
            - "setProperty"
        property:
          type: string
          description: The name of the property to set
        value:
          type: string
          description: The value of the property to set
      example: {
        "@type": "setProperty",
        "property": "key",
        "value": "value"
      }

    RemoveTopicPropertyRequest:
      type: object
      required:
        - "@type"
        - property
      properties:
        "@type":
          type: string
          enum:
            - "removeProperty"
        property:
          type: string
          description: The name of the property to remove
      example: {
        "@type": "removeProperty",
        "property": "key"
      }

  responses:
    TopicResponse:
      description: Returns include the topic object
      content:
        application/vnd.gravitino.v1+json:
          schema:
            type: object
            properties:
              code:
                type: integer
                format: int32
                description: Status code of the response
                enum:
                  - 0
              topic:
                $ref: "#/components/schemas/Topic"
          examples:
            TopicResponse:
              $ref: "#/components/examples/TopicResponse"

  examples:
    TopicCreateRequest:
      value: {
        "name": "topic1",
        "comment": "This is a topic",
        "properties": {
          "partition-count": "1",
          "replication-factor": "1"
        }
      }

    TopicResponse:
      value: {
        "code": 0,
        "topic": {
          "name": "topic1",
          "comment": "This is a topic",
          "properties": {
            "partition-count": "1",
            "replication-factor": "1"
          }
        }
      }

    TopicAlreadyExistsException:
      value: {
        "code": 1004,
        "type": "TopicAlreadyExistsException",
        "message": "Topic already exists",
        "stack": [
          "org.apache.gravitino.exceptions.TopicAlreadyExistsException: Topic already exists: topic1"
        ]
      }

    NoSuchTopicException:
      value: {
        "code": 1003,
        "type": "NoSuchTopicException",
        "message": "Topic does not exist",
        "stack": [
          "org.apache.gravitino.exceptions.NoSuchTopicException: Topic does not exist",
          "..."
        ]
      }