{
  "$schema": "https://json-schema.org/draft/2019-09/schema",
  "title": "BusinessPartnerNumberConstraintSchema",
  "type": "object",
  "allOf": [
    {
      "$ref": "#/definitions/BusinessPartnerNumberConstraint"
    }
  ],
  "$id": "https://w3id.org/catenax/2025/9/policy/business-partner-number-constraint-schema.json",
  "definitions": {
    "BusinessPartnerNumberConstraint": {
      "type": "object",
      "properties": {
        "leftOperand": {
          "type": "string",
          "const": "BusinessPartnerNumber"
        },
        "operator": {
          "type": "string",
          "enum": [
            "isAnyOf",
            "isNoneOf"
          ]
        },
        "rightOperand": {
          "type":"array",
          "minItems": 1,
          "uniqueItems": true,
          "items": {
            "$ref": "#/definitions/BusinessPartnerNumberRightOperand"
          }
        }
      },
      "additionalProperties": false
    },
    "BusinessPartnerNumberRightOperand": {
      "type": "string",
      "pattern": "^BPNL[0-9A-Z]{12}$"
    }
  }
}