openapi: 3.0.3
info:
  title: Spring Data REST Association Item API
  description: Spring Data REST exposes Spring Data repositories as hypermedia-driven RESTful resources following the HATEOAS constraint. It provides automatic endpoint generation for CRUD operations, pagination, sorting, projections, and custom query endpoints derived from repository methods.
  version: 4.3.0
  contact:
    name: Spring Team
    url: https://spring.io/projects/spring-data-rest
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: http://localhost:8080
  description: Default local server
tags:
- name: Item
paths:
  /{repository}/{id}:
    get:
      operationId: getResource
      summary: Get Repository Resource by ID
      description: Returns a single resource by its identifier
      tags:
      - Item
      parameters:
      - name: repository
        in: path
        required: true
        schema:
          type: string
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Resource found
          content:
            application/hal+json:
              schema:
                $ref: '#/components/schemas/Resource'
        '404':
          description: Resource not found
    put:
      operationId: replaceResource
      summary: Replace Repository Resource
      description: Replaces an existing resource entirely (full update)
      tags:
      - Item
      parameters:
      - name: repository
        in: path
        required: true
        schema:
          type: string
      - name: id
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
      responses:
        '200':
          description: Resource updated
          content:
            application/hal+json:
              schema:
                $ref: '#/components/schemas/Resource'
        '404':
          description: Resource not found
    patch:
      operationId: patchResource
      summary: Patch Repository Resource
      description: Partially updates an existing resource
      tags:
      - Item
      parameters:
      - name: repository
        in: path
        required: true
        schema:
          type: string
      - name: id
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
          application/merge-patch+json:
            schema:
              type: object
              additionalProperties: true
      responses:
        '200':
          description: Resource patched
          content:
            application/hal+json:
              schema:
                $ref: '#/components/schemas/Resource'
        '404':
          description: Resource not found
    delete:
      operationId: deleteResource
      summary: Delete Repository Resource
      description: Deletes a resource by its identifier
      tags:
      - Item
      parameters:
      - name: repository
        in: path
        required: true
        schema:
          type: string
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '204':
          description: Resource deleted
        '404':
          description: Resource not found
components:
  schemas:
    Resource:
      type: object
      properties:
        _links:
          $ref: '#/components/schemas/Links'
      additionalProperties: true
    Link:
      type: object
      properties:
        href:
          type: string
          description: The URI of the link
        templated:
          type: boolean
          description: Whether the href is a URI template
    Links:
      type: object
      additionalProperties:
        $ref: '#/components/schemas/Link'