kg.apc.charting.elements.GraphPanelChartAverageElement Maven / Gradle / Ivy

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Various utility classes to ease development of plugins

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package kg.apc.charting.elements;

import kg.apc.charting.AbstractGraphPanelChartElement;

/**
 * {@inheritDoc}
 */
public class GraphPanelChartAverageElement
        extends AbstractGraphPanelChartElement {
    private int count = 0;
    private double avgValue = 0;

    public GraphPanelChartAverageElement(double yVal) {
        add(yVal);
    }

    public GraphPanelChartAverageElement() {
    }

    public void add(double yVal) {
        avgValue = (avgValue * count + yVal) / (++count);
    }

    /**
     * {@inheritDoc}
     */
    public double getValue() {
        return avgValue;
    }

    /**
     * @return the count
     */
    public int getCount() {
        return count;
    }

    @Override
    public boolean isPointRepresentative(int limit) {
        return count > limit;
    }
}