{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/api-evangelist/alibaba-sentinel/json-schema/degrade-rule.json",
  "title": "Alibaba Sentinel Degrade Rule",
  "description": "JSON Schema for Sentinel circuit breaking (degrade) rules.",
  "type": "array",
  "items": {
    "$ref": "#/$defs/DegradeRule"
  },
  "$defs": {
    "DegradeRule": {
      "type": "object",
      "required": ["resource", "count", "grade", "timeWindow"],
      "properties": {
        "id": {
          "type": "integer",
          "description": "Unique identifier of the rule."
        },
        "resource": {
          "type": "string",
          "description": "Resource name to apply the degrade rule to."
        },
        "limitApp": {
          "type": "string",
          "default": "default",
          "description": "Calling application to apply the rule to."
        },
        "grade": {
          "type": "integer",
          "enum": [0, 1, 2],
          "description": "Circuit breaking strategy: 0 = slow request ratio, 1 = error ratio, 2 = error count."
        },
        "count": {
          "type": "number",
          "description": "Threshold value (ratio or count depending on grade)."
        },
        "timeWindow": {
          "type": "integer",
          "description": "Recovery timeout in seconds."
        },
        "minRequestAmount": {
          "type": "integer",
          "default": 5,
          "description": "Minimum number of requests to trigger circuit breaking."
        },
        "statIntervalMs": {
          "type": "integer",
          "default": 1000,
          "description": "Statistics interval in milliseconds."
        },
        "slowRatioThreshold": {
          "type": "number",
          "description": "Slow request ratio threshold (for grade 0)."
        }
      }
    }
  }
}