{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "id": "http://json-schema.org/openstudio-urban-modeling/thermal_junction_properties.json#",
  "title": "URBANopt Thermal Junction",
  "description": "Schema for an URBANopt Thermal Junction object",
  "type": "object",
  "properties": {
    "id": {
      "description": "Unique id used to refer to this feature within this dataset.",
      "type": "string"
    },
    "project_id": {
      "description": "Project which this feature belongs to.",
      "type": "string"
    },
    "type": {
      "description": "Type of feature.",
      "type": "string",
      "enum": [
        "ThermalJunction"
      ]
    },
    "source_name": {
      "description": "Name of the original data source.",
      "type": "string"
    },
    "source_id": {
      "description": "Id of the feature in original data source.",
      "type": "string"
    },
    "name": {
      "description": "Feature name",
      "type": "string"
    },
    "junction_type": {
      "$ref": "#/definitions/ThermalJunctionType"
    },
    "building_id": {
      "description": "Id of building if this junction is inside a building.",
      "type": "string"
    },
    "district_system_id": {
      "description": "Id of district system if this junction is inside a district system.",
      "type": "string"
    },
    "pump_presence": {
      "description": "Presence of pump: true if present, false if absent",
      "type": "boolean"
    },
    "is_ghe_start_loop": {
      "description": "Determines whether this junction is present at the start of the loop for a Ground Heat Exchanger Network.",
      "type": "boolean"
    },
    "connection_type": {
      "description": "Characterize the connection as series or parallel",
      "$ref": "#/definitions/ThermalJunctionConnectionType"
    },
    "user_data": {
      "description": "Arbitrary user data"
    }
  },
  "required": [
    "type",
    "junction_type",
    "connection_type"
  ],
  "additionalProperties": false,
  "definitions": {
    "ThermalJunctionType": {
      "description": "Type of thermal junction.",
      "type": "string",
      "enum": [
        "DES",
        "ETS",
        "Valve"
      ]
    },
    "ThermalJunctionConnectionType": {
      "description": "Type of connection for connectors meeting at this junction.",
      "type": "string",
      "enum": [
        "Series",
        "Parallel"
      ]
    }
  }
}