spec.md

Pattern

Description

This entity contains an harmonised description of a generic pattern made for the Water Network Management domain. This entity is primarily associated with the water management vertical and related IoT applications.

Data Model

A JSON Schema corresponding to this data model can be found here.

NGSI-LD common Properties

• id: Unique identifier.

• type: Entity type. It must be equal to Junction.

• modifiedAt: Last update timestamp of this entity.

  • Attribute type: Property. DateTime
  • Read-Only. Automatically generated.

• createdAt: Entity's creation timestamp.

  • Attribute type: Property. DateTime
  • Read-Only. Automatically generated.

Pattern Entity Properties

• tag : An optional text string used to assign the junction to a category, such as a pressure zone

  • Attribute type: Property.Text
  • Optional

• description : A free text description

  • Attribute type: Property.Text
  • Optional

• multipliers : Multipliers define how some base quantity (e.g., demand) is adjusted for each time period

  • Attribute type: Property. List of Number
  • Attribute metadata Properties:
    • Enumeration : {{Metadata Property Description}}
  • Mandatory

• timeStep : The time step used for the multipliers

  • Attribute type: Property. Number
  • Attribute unit: All units are accepted in CEFACT code
  • Attribute unit Example: Second
  • CEFACT unitCode: SEC
  • Attribute metadata Properties:
    • {{metadata Property name}} : {{Metadata Property Description}}
  • Mandatory

Pattern Entity Relationships

No defined Relationships for this Entity.

Note: JSON Schemas are intended to capture the data type and associated constraints of the different Attributes, regardless their final representation format in NGSI-LD.

LD Example

A full example is presented here.

Use it with a real service

T.B.D.

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