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Counter

This activity allows you to use a global counter.

Installation

Flogo CLI

flogo install github.com/project-flogo/contrib/activity/counter

Configuration

Settings:

Name Type Description
counterName string The name of the counter - REQUIRED
op string The counter operation, 'get' is the default operation

Output:

Name Type Description
value int The result of the counter operation

Examples

Increment

The below example increments a 'messages' counter:

{
  "id": "increment_message_count",
  "name": "Increment Message Count",
  "activity": {
    "ref": "github.com/project-flogo/contrib/activity/counter",
    "settings": {
      "counterName": "messages",
      "op": "increment"
    }
  }
}

Get

The below example retrieves the last value of the 'messages' counter:

{
  "id": "get_message_count",
  "name": "Get Message Count",
  "activity": {
    "ref": "github.com/project-flogo/contrib/activity/counter",
    "settings": {
      "counterName": "messages",
      "op": "get"
    }
  }
}

Reset

The below example resets the 'messages' counter:

{
  "id": "reset_message_count",
  "name": "Reset Message Count",
  "activity": {
    "ref": "github.com/project-flogo/contrib/activity/counter",
    "settings": {
      "counterName": "messages",
      "op": "reset"
    }
  }
}