1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
package org.mule.util.counters.impl; |
8 | |
|
9 | |
import org.mule.util.counters.CounterFactory.Type; |
10 | |
|
11 | |
public class TimeAverage extends AggregateCounter |
12 | |
{ |
13 | |
|
14 | 0 | private double sum = 0.0; |
15 | 0 | private double lastValue = 0.0; |
16 | 0 | private final long firstTime = System.currentTimeMillis(); |
17 | 0 | private long lastTime = firstTime; |
18 | |
|
19 | |
public TimeAverage(String name, AbstractCounter base) |
20 | |
{ |
21 | 0 | super(name, Type.AVERAGE, base); |
22 | 0 | } |
23 | |
|
24 | |
public double nextValue() |
25 | |
{ |
26 | 0 | long current = System.currentTimeMillis(); |
27 | 0 | return (sum + lastValue * (current - this.lastTime)) / (current - firstTime); |
28 | |
} |
29 | |
|
30 | |
public void doCompute() |
31 | |
{ |
32 | 0 | long current = System.currentTimeMillis(); |
33 | 0 | this.sum += this.lastValue * (current - this.lastTime); |
34 | 0 | this.lastValue = getBase().nextValue(); |
35 | 0 | this.lastTime = current; |
36 | 0 | } |
37 | |
|
38 | |
} |