Logical Sensor Network: An Abstraction of Sensor Data Processing over Multidomain Sensor Network

Listing 2

Source code for aggregator node (average) in Java.

1 public  class Average  extends  Aggregator{

2 public  Average(String n, Trigger t) {

3  super(n, t);

4 }

5 @Override

6 public  Data aggregate(Data[] dList) {

7  double  ave, sum = 0;

8  for(Data d : dList)

9   sum += data.getValue();

10  ave = sum/dList.length;

11  Data res = new  ProcessorData(dList[0]);

12  res.setSourceName(name);

13  return  res;

14  }

15 }