Filter Data

This activity provides your flogo application the ability to filter out unwanted data.

Installation

flogo install github.com/jvanderl/flogo-components/activity/filter

Link for flogo web:

https://github.com/jvanderl/flogo-components/activity/filter

Schema

Inputs and Outputs:

{
  "input":[
    {
      "name": "input",
      "type": "string",
      "required": true
    },
    {
      "name": "datatype",
      "type": "string",
      "required": true,
      "allowed" : ["int", "uint", "float32"]
    },
    {
      "name": "minvalue",
      "type": "string"
    },
    {
      "name": "maxvalue",
      "type": "string"
    },
    {
      "name": "inverse",
      "type": "boolean"
    }
  ],
  "output": [
    {
      "name": "pass",
      "type": "boolean"
    },
    {
      "name": "reason",
      "type": "string"
    }
  ]
}

Settings

Setting	Description
input	the input data
datatype	The type of data offert (int, uint or float32)
minvalue	The minimum value that gets passed through
maxvalue	The maximum value that gets passed through
inverse	Invert the filter, can be used for filtering out a mid-section

Ouputs

Output	Description
pass	Determines if the result should be used or not (true, false)
reason	When the data is not to be used, reason explains why

Configuration Examples

Simple

Configure a task in flow to only forward data between 100 and 200 with a 10 second interval:

{
  "name": "testfilter",
  "model": "tibco-simple",
  "type": 1,
  "attributes": [],
  "rootTask": {
    "id": 1,
    "type": 1,
    "activityType": "",
    "name": "root",
    "tasks": [
      {
        "id": 2,
        "name": "Filter",
        "type": 1,
        "activityType": "filter",
        "attributes": [
          {
            "name": "input",
            "value": "150",
            "type": "string"
          },
          {
            "name": "datatype",
            "value": "int",
            "type": "string"
          },
          {
            "name": "minvalue",
            "value": "100",
            "type": "string"
          },
          {
            "name": "maxvalue",
            "value": "200",
            "type": "string"
          },
          {
            "name": "inverse",
            "value": "false",
            "type": "boolean"
          }
        ]
      },
      {
        "id": 3,
        "name": "Log Message",
        "type": 1,
        "activityType": "tibco-log",
        "attributes": [
          {
            "name": "message",
            "value": "",
            "type": "string"
          },
          {
            "name": "flowInfo",
            "value": "true",
            "type": "boolean"
          },
          {
            "name": "addToFlow",
            "value": "true",
            "type": "boolean"
          }
        ],
        "inputMappings": [
          {
            "type": 1,
            "value": "{A2.reason}",
            "mapTo": "message"
          }
        ]
      }
    ],
    "links": [
      {
        "id": 1,
        "from": 2,
        "to": 3,
        "type": 0
      }
    ]
  }
}