Daily Totals storing, with max min average total

src/main/java/com/henrypump/poc/Measurement.java

@@ -0,0 +1,75 @@
+package com.henrypump.poc;
+
+/**
+ * Created by patrickjmcd on 2/3/17.
+ */
+public class Measurement {
+    private double currentValue;
+    private double lastValue;
+    private double average;
+    private double total;
+    private double max;
+    private double min;
+    private double[] totalHistory = new double[30];
+    private double[] averageHistory = new double[30];
+    private long numMeasurements;
+
+    Measurement(){
+        average = 0;
+        total = 0;
+        numMeasurements = 0;
+        max = Double.MIN_VALUE;
+        min = Double.MAX_VALUE;
+    }
+
+    public double getCurrentValue() {
+        return currentValue;
+    }
+
+    public double getLastValue() {
+        return lastValue;
+    }
+
+    public double getAverage() {
+        return average;
+    }
+
+    public double getTotal() {
+        return total;
+    }
+
+    public long getNumMeasurements() {
+        return numMeasurements;
+    }
+
+    public void update(double value)
+    {
+        lastValue = currentValue;
+        currentValue = value;
+
+        numMeasurements = numMeasurements + 1;
+        average = average * (((float)numMeasurements - 1)/(float)numMeasurements) + (currentValue / (float)numMeasurements);
+        total = total + value;
+
+        max = Math.max(max, currentValue);
+        min = Math.min(min, currentValue);
+    };
+
+    public void endOfDay(){
+        for(int i = 28; i >= 0; i--){
+            totalHistory[i] = totalHistory[i+1];
+            averageHistory[i] = averageHistory[i+1];
+        }
+
+        totalHistory[0] = total;
+        averageHistory[0] = average;
+
+        total = 0;
+        average = 0;
+        max = Double.MIN_VALUE;
+        min = Double.MAX_VALUE;
+    }
+
+
+
+}