public class TridentMinMaxOfDevicesTopology extends Object
This class demonstrates different usages of * Stream.minBy(String) * Stream.maxBy(String) operations on trident Stream.
| Constructor and Description |
|---|
TridentMinMaxOfDevicesTopology() |
| Modifier and Type | Method and Description |
|---|---|
static StormTopology |
buildDevicesTopology()
Creates a topology with device-id and count (which are whole numbers) as tuple fields in a stream and it finally generates result stream based on min amd max with device-id and count values.
|
static StormTopology |
buildVehiclesTopology()
Creates a topology which demonstrates min/max operations on tuples of stream which contain vehicle and driver fields with values
TridentMinMaxOfDevicesTopology.Vehicle and TridentMinMaxOfDevicesTopology.Driver respectively. |
static void |
main(String[] args) |
public static StormTopology buildDevicesTopology()
Creates a topology with device-id and count (which are whole numbers) as tuple fields in a stream and it finally generates result stream based on min amd max with device-id and count values.
public static StormTopology buildVehiclesTopology()
Creates a topology which demonstrates min/max operations on tuples of stream which contain vehicle and driver fields with values TridentMinMaxOfDevicesTopology.Vehicle and TridentMinMaxOfDevicesTopology.Driver respectively.
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