openapi: 3.0.3
info:
  description: This OAS file describes the NGSI-LD API defined by the ETSI ISG CIM group. This Cross-domain Context Information Management API allows to provide, consume and subscribe to context information in multiple scenarios and involving multiple stakeholders
  version: latest
  title: ETSI ISG CIM / NGSI-LD API Entry Point Temporal API
  contact:
    email: NGSI-LD@etsi.org
tags:
- name: Temporal
paths:
  /temporal/entities/:
    get:
      description: Query temporal evolution of Entities from an NGSI-LD system
      operationId: queryTemporalEntities
      tags:
      - Temporal
      parameters:
      - $ref: '#/components/parameters/id'
      - $ref: '#/components/parameters/idPattern'
      - $ref: '#/components/parameters/type'
      - $ref: '#/components/parameters/attrs'
      - $ref: '#/components/parameters/q'
      - $ref: '#/components/parameters/georel'
      - $ref: '#/components/parameters/geometry'
      - $ref: '#/components/parameters/coordinates'
      - $ref: '#/components/parameters/geoproperty'
      - $ref: '#/components/parameters/timerel'
      - $ref: '#/components/parameters/timeproperty'
      - $ref: '#/components/parameters/time'
      - $ref: '#/components/parameters/endTime'
      - $ref: '#/components/parameters/csf'
      - $ref: '#/components/parameters/limit'
      - $ref: '#/components/parameters/components-parameters-options'
      - $ref: '#/components/parameters/lastN'
      responses:
        '200':
          description: OK
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/EntityTemporalList'
              examples:
                simple:
                  externalValue: https://forge.etsi.org/rep/NGSI-LD/NGSI-LD/raw/master/examples/EntityTemporalList-example.json
        '400':
          description: Bad request
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
    post:
      description: Create or update temporal representation of an Entity within an NGSI-LD system
      operationId: createUpdateEntityTemporal
      tags:
      - Temporal
      requestBody:
        required: true
        content:
          application/json;application/ld+json:
            schema:
              $ref: '#/components/schemas/EntityTemporal'
            examples:
              simple:
                externalValue: https://forge.etsi.org/rep/NGSI-LD/NGSI-LD/raw/master/examples/EntityTemporal-example_C5.5.3.json
      responses:
        '201':
          description: Created. Contains the resource URI of the created Entity
        '204':
          description: Updated. No Content
        '400':
          description: Bad request
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '409':
          description: Already exists
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '422':
          description: Unprocessable Entity
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
  /temporal/entities/{entityId}:
    get:
      description: Retrieve the temporal representation of an specific Entity from an NGSI-LD system. It's possible to specify the Entity attributes to be retrieved by using query parameters
      operationId: retrieveEntityTemporalById
      tags:
      - Temporal
      parameters:
      - $ref: '#/components/parameters/entityId'
      - $ref: '#/components/parameters/attrs'
      - $ref: '#/components/parameters/parameters-type'
      - $ref: '#/components/parameters/components-parameters-options'
      - $ref: '#/components/parameters/timerel'
      - $ref: '#/components/parameters/timeproperty'
      - $ref: '#/components/parameters/time'
      - $ref: '#/components/parameters/endTime'
      - $ref: '#/components/parameters/lastN'
      responses:
        '200':
          description: OK
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/EntityTemporal'
              examples:
                simple:
                  externalValue: https://forge.etsi.org/rep/NGSI-LD/NGSI-LD/raw/master/examples/EntityTemporal-example_C5.5.3.json
        '400':
          description: Bad request
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '404':
          description: Not Found
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
    delete:
      description: Removes the temporal representation of an Entity from an NGSI-LD system
      operationId: removeEntityTemporalById
      tags:
      - Temporal
      parameters:
      - $ref: '#/components/parameters/entityId'
      - $ref: '#/components/parameters/parameters-type'
      responses:
        '204':
          description: No Content. The entity was removed successfully
        '400':
          description: Bad Request
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '404':
          description: Not Found
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
  /temporal/entities/{entityId}/attrs/:
    post:
      description: Add new attributes to an existing Temporal Entity within an NGSI-LD system
      operationId: addTemporalEntityAttrs
      tags:
      - Temporal
      parameters:
      - $ref: '#/components/parameters/entityId'
      requestBody:
        required: true
        content:
          application/json;application/ld+json:
            schema:
              $ref: '#/components/schemas/EntityTemporalFragment'
      responses:
        '204':
          description: No Content
        '400':
          description: Bad request
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '404':
          description: Not Found
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
  /temporal/entities/{entityId}/attrs/{attrId}:
    delete:
      description: Attribute from Temporal Representation of Entity deletion
      operationId: removeEntityTemporalAttr
      tags:
      - Temporal
      parameters:
      - $ref: '#/components/parameters/entityId'
      - $ref: '#/components/parameters/attrId'
      responses:
        '204':
          description: No Content.
        '400':
          description: Bad Request
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '404':
          description: Not Found
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
  /temporal/entities/{entityId}/attrs/{attrId}/{instanceId}:
    patch:
      description: Allows modifying a specific Attribute (Property or Relationship) instance, identified by its instanceId, of a Temporal Representation of an Entity.
      operationId: modifyEntityTemporalAttrInstance
      tags:
      - Temporal
      parameters:
      - $ref: '#/components/parameters/entityId'
      - $ref: '#/components/parameters/attrId'
      - $ref: '#/components/parameters/instanceId'
      requestBody:
        required: true
        content:
          application/json;application/ld+json:
            schema:
              $ref: '#/components/schemas/EntityTemporalFragment'
      responses:
        '204':
          description: No Content
        '400':
          description: Bad request
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '404':
          description: Not Found
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
    delete:
      description: Attribute Instance deletion by instance id.
      operationId: removeEntityTemporalAttrInstance
      tags:
      - Temporal
      parameters:
      - $ref: '#/components/parameters/entityId'
      - $ref: '#/components/parameters/attrId'
      - $ref: '#/components/parameters/instanceId'
      responses:
        '204':
          description: No Content.
        '400':
          description: Bad Request
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '404':
          description: Not Found
          content:
            application/json;application/ld+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
components:
  parameters:
    coordinates:
      name: coordinates
      description: Coordinates serialized as a string
      in: query
      required: false
      schema:
        $ref: '#/components/schemas/coordinates'
    entityId:
      name: entityId
      description: Entity Id
      in: path
      required: true
      schema:
        type: string
        format: uri
    geoproperty:
      name: geoproperty
      description: The name of the property that contains the geo-spatial data that will be used to resolve the geoquery
      in: query
      required: false
      schema:
        type: string
        minLength: 1
    time:
      name: time
      description: start time for temporal query
      in: query
      required: false
      schema:
        type: string
        format: date-time
    type:
      name: type
      description: Comma separated list of Entity type names to be retrieved
      in: query
      required: false
      schema:
        type: string
        minLength: 1
    lastN:
      name: lastN
      description: Only retrieve last N instances
      in: query
      required: false
      schema:
        type: integer
        minimum: 1
    components-parameters-options:
      name: options
      description: Options dictionary
      in: query
      required: false
      schema:
        type: string
        enum:
        - temporalValues
        - sysAttrs
    id:
      name: id
      description: Comma separated list of URIs to be retrieved
      in: query
      required: false
      schema:
        type: string
        format: uri
    attrs:
      name: attrs
      description: Comma separated list of attribute names (properties or relationships) to be retrieved
      in: query
      required: false
      schema:
        type: string
        minLength: 1
    instanceId:
      name: instanceId
      description: Instance Id
      in: path
      required: true
      schema:
        type: string
        format: uri
    attrId:
      name: attrId
      description: Attribute Id
      in: path
      required: true
      schema:
        $ref: '#/components/schemas/Name'
    q:
      name: q
      description: Query
      in: query
      required: false
      schema:
        type: string
        minLength: 1
    timerel:
      name: timerel
      description: Time relationship
      in: query
      required: false
      schema:
        $ref: '#/components/schemas/timerel'
    endTime:
      name: endTime
      description: end time for temporal query
      in: query
      required: false
      schema:
        type: string
        format: date-time
    idPattern:
      name: idPattern
      description: Regular expression that must be matched by Entity ids
      in: query
      required: false
      schema:
        type: string
        format: regexp
    timeproperty:
      name: timeproperty
      description: The name of the property that contains the temporal data that will be used to resolve the temporal query
      in: query
      required: false
      schema:
        $ref: '#/components/schemas/Name'
    geometry:
      name: geometry
      description: Geometry
      in: query
      required: false
      schema:
        $ref: '#/components/schemas/geometry'
    csf:
      name: csf
      description: Context Source Filter
      in: query
      required: false
      schema:
        type: string
        minLength: 1
    georel:
      name: georel
      description: Geo-relationship
      in: query
      required: false
      schema:
        $ref: '#/components/schemas/georel'
    parameters-type:
      name: type
      description: Entity Type
      in: query
      required: false
      schema:
        $ref: '#/components/schemas/Name'
    limit:
      name: limit
      description: Pagination limit
      in: query
      required: false
      schema:
        type: integer
        minimum: 1
  schemas:
    positionArray:
      description: An array of positions
      type: array
      items:
        $ref: '#/components/schemas/position'
    LineString:
      type: object
      properties:
        type:
          type: string
          enum:
          - LineString
        coordinates:
          $ref: '#/components/schemas/lineString'
    MultiLineString:
      type: object
      properties:
        type:
          type: string
          enum:
          - MultiLineString
        coordinates:
          type: array
          items:
            $ref: '#/components/schemas/lineString'
    geometry:
      type: string
      enum:
      - Point
      - MultiPoint
      - LineString
      - MultiLineString
      - Polygon
      - MultiPolygon
    Point:
      type: object
      properties:
        type:
          type: string
          enum:
          - Point
        coordinates:
          $ref: '#/components/schemas/position'
    Name:
      type: string
      pattern: ^((\d|[a-zA-Z]|_)+(:(\d|[a-zA-Z]|_)+)?(#\d+)?)$
      minLength: 1
      description: NGSI-LD Name
    Relationship:
      type: object
      properties:
        type:
          type: string
          enum:
          - Relationship
        object:
          type: string
          format: uri
        observedAt:
          $ref: '#/components/schemas/observedAt'
        createdAt:
          $ref: '#/components/schemas/createdAt'
        modifiedAt:
          $ref: '#/components/schemas/modifiedAt'
        datasetId:
          $ref: '#/components/schemas/datasetId'
        instanceId:
          $ref: '#/components/schemas/instanceId'
      required:
      - type
      - object
      additionalProperties:
        oneOf:
        - $ref: '#/components/schemas/Property'
        - $ref: '#/components/schemas/Relationship'
    georel:
      oneOf:
      - type: string
        enum:
        - equals
        - disjoint
        - intersects
        - within
        - contains
        - overlaps
      - type: string
        pattern: ^near;((maxDistance==\d+)|(minDistance==\d+))$
    Property:
      type: object
      properties:
        type:
          type: string
          enum:
          - Property
        value:
          oneOf:
          - string
          - number
          - boolean
          - array
          - object
        observedAt:
          $ref: '#/components/schemas/observedAt'
        createdAt:
          $ref: '#/components/schemas/createdAt'
        modifiedAt:
          $ref: '#/components/schemas/modifiedAt'
        datasetId:
          $ref: '#/components/schemas/datasetId'
        instanceId:
          $ref: '#/components/schemas/instanceId'
      required:
      - type
      - value
      additionalProperties:
        oneOf:
        - $ref: '#/components/schemas/Property'
        - $ref: '#/components/schemas/Relationship'
    modifiedAt:
      type: string
      format: date-time
    Polygon:
      type: object
      properties:
        type:
          type: string
          enum:
          - Polygon
        coordinates:
          $ref: '#/components/schemas/polygon'
    EntityTemporal:
      allOf:
      - $ref: '#/components/schemas/EntityTemporalFragment'
      - type: object
        required:
        - type
        - id
    position:
      description: A single position
      type: array
      minItems: 2
      maxItems: 2
      items:
        type: number
      additionalProperties: false
    timerel:
      type: string
      enum:
      - before
      - after
      - between
    ProblemDetails:
      type: object
      properties:
        type:
          type: string
          format: uri
        title:
          type: string
        detail:
          type: string
      required:
      - type
    EntityTemporalFragment:
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/LdContext'
        location:
          type: array
          items:
            $ref: '#/components/schemas/GeoProperty'
          minItems: 1
        observationSpace:
          type: array
          items:
            $ref: '#/components/schemas/GeoProperty'
          minItems: 1
        operationSpace:
          type: array
          items:
            $ref: '#/components/schemas/GeoProperty'
          minItems: 1
        id:
          type: string
          format: uri
        type:
          $ref: '#/components/schemas/Name'
        createdAt:
          $ref: '#/components/schemas/createdAt'
        modifiedAt:
          $ref: '#/components/schemas/modifiedAt'
      additionalProperties:
        oneOf:
        - type: array
          items:
            $ref: '#/components/schemas/Property'
          minItems: 1
        - type: array
          items:
            $ref: '#/components/schemas/Relationship'
          minItems: 1
        - type: array
          items:
            $ref: '#/components/schemas/GeoProperty'
          minItems: 1
    linearRing:
      description: An array of four positions where the first equals the last
      allOf:
      - $ref: '#/components/schemas/positionArray'
      - minItems: 4
    MultiPoint:
      type: object
      properties:
        type:
          type: string
          enum:
          - MultiPoint
        coordinates:
          $ref: '#/components/schemas/positionArray'
    datasetId:
      type: string
      format: uri
    coordinates:
      oneOf:
      - $ref: '#/components/schemas/position'
      - $ref: '#/components/schemas/positionArray'
      - $ref: '#/components/schemas/lineString'
      - $ref: '#/components/schemas/polygon'
    lineString:
      description: An array of two or more positions
      allOf:
      - $ref: '#/components/schemas/positionArray'
      - minItems: 2
    polygon:
      description: An array of linear rings
      type: array
      items:
        $ref: '#/components/schemas/linearRing'
    GeoProperty:
      type: object
      properties:
        type:
          type: string
          enum:
          - GeoProperty
        value:
          $ref: '#/components/schemas/Geometry'
        observedAt:
          $ref: '#/components/schemas/observedAt'
        createdAt:
          $ref: '#/components/schemas/createdAt'
        modifiedAt:
          $ref: '#/components/schemas/modifiedAt'
        datasetId:
          $ref: '#/components/schemas/datasetId'
        instanceId:
          $ref: '#/components/schemas/instanceId'
      required:
      - type
      - value
      additionalProperties:
        oneOf:
        - $ref: '#/components/schemas/Property'
        - $ref: '#/components/schemas/Relationship'
    instanceId:
      type: string
      format: uri
    EntityTemporalList:
      type: array
      items:
        $ref: '#/components/schemas/EntityTemporal'
    observedAt:
      type: string
      format: date-time
    MultiPolygon:
      type: object
      properties:
        type:
          type: string
          enum:
          - MultiPolygon
        coordinates:
          type: array
          items:
            $ref: '#/components/schemas/polygon'
    LdContext:
      oneOf:
      - type: object
      - type: string
        format: uri
      - type: array
        minItems: 1
        items:
          oneOf:
          - type: string
            format: uri
          - type: object
    Geometry:
      description: ' Avalid GeoJSON geometry object'
      oneOf:
      - $ref: '#/components/schemas/Point'
      - $ref: '#/components/schemas/MultiPoint'
      - $ref: '#/components/schemas/Polygon'
      - $ref: '#/components/schemas/LineString'
      - $ref: '#/components/schemas/MultiLineString'
      - $ref: '#/components/schemas/MultiPolygon'
    createdAt:
      type: string
      format: date-time
externalDocs:
  description: Find out more about the ETSI ISG Context Information Management
  url: https://portal.etsi.org/tb.aspx?tbid=854&SubTB=854