{
  "Comment": "Ats-Athena",
  "StartAt": "AtsState",
  "TimeoutSeconds": 10,
  "Version": "1.0",

  "States": {
    "AtsState": {
      "Type": "Task",
      "Resource": "function:Ats",
      "Next": "ChoiceState",
      "TimeoutSeconds": 5,
      "HeartbeatSeconds": 2,
      "DataInputMode": "Stream",
      "InputPath": "$.input",
      "ResultPath": "$.atsrst",
      "OutputPath": "$.atsrst",

      "Retry": [
          {
            "ErrorEquals": ["States.Timeout"],
            "IntervalSeconds": 0,
            "BackoffRate": 0,
            "MaxAttempts": 1
          }
        ],
      "Catch": [
          {
            "ErrorEquals": ["States.ALL"],
            "Next": "TaskFailState"
          }
        ]
    },

    "TaskFailState": {
      "Type": "Fail",
      "Error": "States.TaskFailed",
      "Cause": "Task Failed!"
    },

    "ChoiceState": {
      "Type" : "Choice",
      "OutputPath": "$.text",
      "Choices": [
        {
          "Variable": "$.ret",
          "NumericEquals": 0,
          "Next": "AthenaState"
        },
        {
          "Not": {
            "Variable": "$.ret",
            "NumericEquals": 0
          },
          "Next": "AtsErrorState"
        }
      ],
      "Default": "DefaultState"
    },

    "AtsErrorState": {
      "Type": "Fail",
      "Error": "AtsError",
      "Cause": "Ats Error Occurs!"
    },

    "DefaultState": {
      "Type": "Fail",
      "Error": "DefaultStateError",
      "Cause": "No Choice Matches!"
    },

    "AthenaState": {
      "Type": "Task",
      "Resource": "function:Athena",
      "End": true,
      "TimeoutSeconds": 5,
      "HeartbeatSeconds": 2,
      "ResultPath": "$.output",
      "OutputPath": "$.output",

      "Retry": [
          {
            "ErrorEquals": ["States.Timeout"],
            "IntervalSeconds": 0,
            "BackoffRate": 0,
            "MaxAttempts": 1
          }
        ],
      "Catch": [
          {
            "ErrorEquals": ["States.ALL"],
            "Next": "TaskFailState"
          }
        ]
    }
  }
}