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Allow to prevent auto reset with in ActionFrequency.

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This may/will be better for long term counting, because a seconds-range
"time ran backwards" will not erase all.
This commit is contained in:
asofold 2014-08-12 12:06:05 +02:00
parent 7743dd9d8a
commit 76cdf40485
1 changed files with 28 additions and 2 deletions
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30
NCPCommons/src/main/java/fr/neatmonster/nocheatplus/utilities/ActionFrequency.java
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@ -11,6 +11,7 @@ public class ActionFrequency {
/** Reference time for filling in. */
private long time = 0;
private long lastUpdate = 0;
private final boolean noAutoReset;
/**
* Buckets to fill weights in, each represents an interval of durBucket duration,
@ -21,10 +22,26 @@ public class ActionFrequency {
/** Duration in milliseconds that oe bucket covers. */
private final long durBucket;
/**
* This constructor will set noAutoReset to false, optimized for short term accounting.
* @param nBuckets
* @param durBucket
*/
public ActionFrequency(final int nBuckets, final long durBucket) {
this(nBuckets, durBucket, false);
}
/**
*
* @param nBuckets
* @param durBucket
* @param noAutoReset Set to true, to prevent auto-resetting with "time ran backwards".
*/
public ActionFrequency(final int nBuckets, final long durBucket, final boolean noAutoReset) {
this.buckets = new float[nBuckets];
this.durBucket = durBucket;
this.noAutoReset = noAutoReset;
}
/**
@ -51,7 +68,16 @@ public class ActionFrequency {
*/
public final void update(final long now) {
final long diff = now - time;
if (now < lastUpdate || diff >= durBucket * buckets.length) {
if (now < lastUpdate) {
// Clear (beyond range).
if (noAutoReset) {
time = lastUpdate = now;
} else {
clear(now);
return;
}
}
else if (diff >= durBucket * buckets.length) {
// Clear (beyond range).
clear(now);
return;