examples/pi/src/main/resources/app/PiJsonExample.json

{
  "description": "Pi JSON Example that is intended to demonstrate the capability of specifying an app using JSON",
  "operators": [
    {
      "name": "rand",
      "class": "org.apache.apex.malhar.lib.testbench.RandomEventGenerator",
      "properties": {
        "minvalue": 0,
        "maxvalue": 30000
      }
    },
    {
      "name": "picalc",
      "class": "com.datatorrent.examples.pi.PiCalculateOperator",
      "properties": {
        "base": 900000000
      }
    },
    {
      "name": "console",
      "class": "org.apache.apex.malhar.lib.io.ConsoleOutputOperator"
    }
  ],
  "streams": [
    {
      "name": "rand_calc",
      "source": {
        "operatorName": "rand",
        "portName": "integer_data"
      },
      "sinks": [
        {
          "operatorName": "picalc",
          "portName": "input"
        }
      ]
    },
    {
      "name": "calc_console",
      "source": {
        "operatorName": "picalc",
        "portName": "output"
      },
      "sinks": [
        {
          "operatorName": "console",
          "portName": "input"
        }
      ]
    }
  ]
}