[cache.list]

cache.list is a slot in the cache namespace, in Hyperlambda, the language of Magic Cloud. Lists cached keys matching the optional filter.

  • Value (cache-key), optional: Optional filter for cache keys
  • Returns: Returns one child node per cached key matching the optional filter, each with [key] and [value] children

Arguments

Required arguments come first, then the optional ones in the order they are declared.

Argument Type Required Description
[offset] int no Result offset. Default: 0.
[limit] int no Maximum number of items to return. Default: 10.

Returned nodes

Node Type Required Description
unnamed child node lambda no One cached item; children carry the cache [key] and stored [value]. Can be repeated.
unnamed child node / [key] string no Cached item key.
unnamed child node / [value] string no Cached item value.

Guide: How to use [cache.list]

JSON declaration

This is the complete declaration of cache.list, as the running system describes it. It is also published as slot.json.

JSON declaration
{
  "name": "cache.list",
  "description": "Lists cached keys matching the optional filter",
  "signature": {
    "input": {
      "kind": "cache-key",
      "description": "Optional filter for cache keys",
      "required": false,
      "mode": "ValueOrExpression"
    },
    "children": {
      "offset": {
        "type": "int",
        "description": "Result offset",
        "required": false,
        "mode": "ValueOrExpression",
        "cardinality": "ZeroOrOne",
        "default": "0",
        "role": "Option",
        "projection": "Value"
      },
      "limit": {
        "type": "int",
        "description": "Maximum number of items to return",
        "required": false,
        "mode": "ValueOrExpression",
        "cardinality": "ZeroOrOne",
        "default": "10",
        "role": "Option",
        "projection": "Value"
      }
    },
    "output": {
      "mode": "Lambda",
      "kind": "cache-key-list,node-list",
      "element-kind": "cache-entry,lambda-tree",
      "description": "Returns one child node per cached key matching the optional filter, each with [key] and [value] children",
      "children": [
        {
          "type": "lambda",
          "kind": "cache-entry",
          "description": "One cached item; children carry the cache [key] and stored [value]",
          "required": false,
          "mode": "Value",
          "cardinality": "ZeroOrMore",
          "role": "StructuredObject",
          "projection": "StructuredTree",
          "children": {
            "key": {
              "type": "string",
              "kind": "cache-key",
              "description": "Cached item key",
              "required": false,
              "mode": "Value",
              "cardinality": "ExactlyOne",
              "role": "Option",
              "projection": "Value"
            },
            "value": {
              "type": "string",
              "kind": "cache-value",
              "description": "Cached item value",
              "required": false,
              "mode": "Value",
              "cardinality": "ExactlyOne",
              "role": "Option",
              "projection": "Value"
            }
          }
        }
      ]
    }
  }
}

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