fieldFilter component: field filter. You can filter msg and metadata fields.

Configuration

Field	Type	Description	Default value
checkAllKeys	boolean	Whether to meet all field keys exist	false
dataNames	string	msg data field key, multiple separated by commas	None
metadataNames	string	metadata field key, multiple separated by commas	None

Relation Type

• True: Send the message to the True chain
• False: Send the message to the False chain
• Failure: Execution failed, send the message to the Failure chain

Execution result

This component will not change the content of msg, metadata and msgType.

Configuration example

  {
    "id": "s1",
    "type": "fieldFilter",
    "name": "Field filter",
    "configuration": {
      "checkAllKeys": true,
      "dataNames": "temperature",
      "metadataNames": "productType,name"
    }
  }

Application example

If msg contains the temperature field, then push the message to: http://192.168.136.26:9099/app1/api/msg, otherwise push to: http://192.168.136.26:9099/app2/api/msg

{
  "ruleChain": {
    "id":"rule01",
    "name": "Test rule chain",
    "root": true
  },
  "metadata": {
    "nodes": [
      {
        "id": "s1",
        "type": "fieldFilter",
        "name": "Filter",
        "configuration": {
          "dataNames": "temperature"
        }
      },
      {
        "id": "s2",
        "type": "restApiCall",
        "name": "Push data-app2",
        "configuration": {
          "restEndpointUrlPattern": "http://192.168.136.26:9099/app1/api/msg",
          "requestMethod": "POST",
          "maxParallelRequestsCount": 200
        }
      },
      {
        "id": "s3",
        "type": "restApiCall",
        "name": "Push data-app2",
        "configuration": {
          "restEndpointUrlPattern": "http://192.168.136.26:9099/app2/api/msg",
          "requestMethod": "POST",
          "maxParallelRequestsCount": 200
        }
      }
    ],
    "connections": [
      {
        "fromId": "s1",
        "toId": "s2",
        "type": "True"
      },
      {
        "fromId": "s1",
        "toId": "s3",
        "type": "False"
      }
    ]
  }
}