Create a Message
Digital twins react and respond to messages.
Define a message that data sources will send to instances of this real-time digital twin model (one instance for each data source). The message can be a simple Java bean.
This message represents a temperature change that a Thermostat digital twin instance will react to.
// TemperatureChangeMessage.java
public class TemperatureChangeMessage {
private final int _temperatureChange;
public TemperatureChangeMessage() {
_temperatureChange = 1;
}
public TemperatureChangeMessage(int temperatureChange) {
_temperatureChange = temperatureChange;
}
public int getTemperatureChange() {
return _temperatureChange;
}
}