{
  "context": "This criteria evaluates the engineer's understanding and implementation of Apache Superset's multi-level cache hierarchy pattern. It assesses how well they implement timeout resolution following the query → chart → dataset → database → system hierarchy, and proper cache key generation for query result caching.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Timeout hierarchy implementation",
      "description": "The resolve_cache_timeout function correctly implements the hierarchical timeout resolution: checks query_timeout first, then chart_timeout, then dataset_timeout, then database_timeout, and finally returns system_default. Uses proper conditional logic to check for None values in the correct order.",
      "max_score": 30
    },
    {
      "name": "Cache key generation",
      "description": "The generate_cache_key function uses a cryptographic hash function (MD5, SHA-256, or similar) from hashlib to create a deterministic cache key. Includes all required parameters (sql, database_name, schema, user_id) in the hash computation, with optional parameters handled correctly.",
      "max_score": 25
    },
    {
      "name": "CacheConfigHelper class structure",
      "description": "The CacheConfigHelper class is properly defined with __init__ method that accepts and stores system_default_timeout. Implements get_effective_timeout and create_cache_key methods with correct signatures matching the specification.",
      "max_score": 15
    },
    {
      "name": "get_effective_timeout method",
      "description": "The get_effective_timeout method in CacheConfigHelper delegates to or reimplements the hierarchical timeout resolution logic, correctly handling all five levels of the cache hierarchy and returning the appropriate timeout value.",
      "max_score": 15
    },
    {
      "name": "create_cache_key method",
      "description": "The create_cache_key method in CacheConfigHelper delegates to or reimplements the cache key generation logic, properly hashing query parameters to produce consistent, deterministic cache keys.",
      "max_score": 10
    },
    {
      "name": "Type annotations usage",
      "description": "Code uses proper Python type hints including Optional[int] for nullable timeout parameters, Optional[str] for optional string parameters, and appropriate return type annotations (int for timeout, str for cache keys).",
      "max_score": 5
    }
  ]
}