stepfun.json

{
  "States": {
    "n0": {
      "Type": "Pass",
      "Result": {
        "function": "get_summary",
        "arg_names": [
          "text"
        ]
      },
      "ResultPath": "$.call_descr",
      "Next": "n1"
    },
    "n1": {
      "Type": "Task",
      "Resource": "LAMBDA-FUN-ARN",
      "ResultPath": "$.locals.summary",
      "Catch": [
        {
          "ErrorEquals": [
            "TextTooShortError"
          ],
          "Next": "n2"
        }
      ],
      "Next": "n18"
    },
    "n2": {
      "Type": "Fail",
      "Error": "MalformedText",
      "Cause": "text too short"
    },
    "n18": {
      "Type": "Choice",
      "Choices": [
        {
          "Or": [
            {
              "Variable": "$.locals.summary.head",
              "StringEquals": "a"
            },
            {
              "Variable": "$.locals.summary.head",
              "StringEquals": "b"
            }
          ],
          "Next": "n3"
        }
      ],
      "Default": "n17"
    },
    "n3": {
      "Type": "Pass",
      "Result": {
        "function": "augment_summary",
        "arg_names": [
          "text",
          "summary"
        ]
      },
      "ResultPath": "$.call_descr",
      "Next": "n4"
    },
    "n4": {
      "Type": "Task",
      "Resource": "LAMBDA-FUN-ARN",
      "ResultPath": "$.locals.summary",
      "Retry": [
        {
          "ErrorEquals": [
            "States.ALL"
          ],
          "IntervalSeconds": 1,
          "MaxAttempts": 2,
          "BackoffRate": 1.5
        }
      ],
      "Next": "n11"
    },
    "n11": {
      "Type": "Parallel",
      "Branches": [
        {
          "States": {
            "n5": {
              "Type": "Pass",
              "Result": {
                "function": "get_n_vowels",
                "arg_names": [
                  "text"
                ]
              },
              "ResultPath": "$.call_descr",
              "Next": "n6"
            },
            "n6": {
              "Type": "Task",
              "Resource": "LAMBDA-FUN-ARN",
              "ResultPath": "$.locals.result",
              "Next": "n7"
            },
            "n7": {
              "Type": "Succeed",
              "InputPath": "$.locals.result"
            }
          },
          "StartAt": "n5"
        },
        {
          "States": {
            "n8": {
              "Type": "Pass",
              "Result": {
                "function": "get_n_spaces",
                "arg_names": [
                  "text"
                ]
              },
              "ResultPath": "$.call_descr",
              "Next": "n9"
            },
            "n9": {
              "Type": "Task",
              "Resource": "LAMBDA-FUN-ARN",
              "ResultPath": "$.locals.result",
              "Next": "n10"
            },
            "n10": {
              "Type": "Succeed",
              "InputPath": "$.locals.result"
            }
          },
          "StartAt": "n8"
        }
      ],
      "ResultPath": "$.locals.more_info",
      "Next": "n12"
    },
    "n12": {
      "Type": "Pass",
      "Result": {
        "function": "format_result",
        "arg_names": [
          "summary",
          "more_info"
        ]
      },
      "ResultPath": "$.call_descr",
      "Next": "n13"
    },
    "n13": {
      "Type": "Task",
      "Resource": "LAMBDA-FUN-ARN",
      "ResultPath": "$.locals.result",
      "Next": "n19"
    },
    "n17": {
      "Type": "Choice",
      "Choices": [
        {
          "Variable": "$.locals.summary.head",
          "StringEquals": "c",
          "Next": "n14"
        }
      ],
      "Default": "n16"
    },
    "n14": {
      "Type": "Pass",
      "Result": {
        "function": "format_c_result",
        "arg_names": [
          "summary"
        ]
      },
      "ResultPath": "$.call_descr",
      "Next": "n15"
    },
    "n15": {
      "Type": "Task",
      "Resource": "LAMBDA-FUN-ARN",
      "ResultPath": "$.locals.result",
      "Next": "n19"
    },
    "n16": {
      "Type": "Fail",
      "Error": "MalformedText",
      "Cause": "wrong starting letter"
    },
    "n19": {
      "Type": "Succeed",
      "InputPath": "$.locals.result"
    }
  },
  "StartAt": "n0"
}