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* Copyright (c) 2015
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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*******************************************************************************/
package jsettlers.algorithms.datastructures;
import java.io.Serializable;
/**
* Class to calculate the moving average of a sequence of boolean values.
*
* @author Andreas Eberle
*
*/
public class BooleanMovingAverage implements Serializable {
private static final long serialVersionUID = -8487849794368180355L;
private final boolean[] values;
private int count;
private int index = 0;
public BooleanMovingAverage(int numberOfValues, boolean defaultValue) {
values = new boolean[numberOfValues];
if (defaultValue) {
for (int i = 0; i < numberOfValues; i++) {
values[i] = defaultValue;
}
count = numberOfValues;
}
}
public void inserValue(boolean value) {
boolean oldValue = values[index];
values[index] = value;
index = (index + 1) % values.length;
if (oldValue) {
count--;
}
if (value) {
count++;
}
}
public float getAverage() {
return ((float) count) / values.length;
}
}