StatisticalRule.java example

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/**
 * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
 */

package net.sourceforge.pmd.lang.rule.stat;

import net.sourceforge.pmd.Rule;
import net.sourceforge.pmd.lang.rule.properties.DoubleProperty;
import net.sourceforge.pmd.lang.rule.properties.IntegerProperty;
import net.sourceforge.pmd.stat.DataPoint;
import net.sourceforge.pmd.stat.Metric;

/**
 * This interface tags a Rule as being a Statistical rule, producing various
 * metrics from data points.
 *
 * @see DataPoint
 * @see Metric
 * @see StatisticalRuleHelper
 */
public interface StatisticalRule extends Rule {

    DoubleProperty SIGMA_DESCRIPTOR = new DoubleProperty("sigma", "Sigma value", 0d, 100d, null, 1.0f);
    DoubleProperty MINIMUM_DESCRIPTOR = new DoubleProperty("minimum", "Minimum reporting threshold", 0d, 100d, null,
            2.0f);
    IntegerProperty TOP_SCORE_DESCRIPTOR = new IntegerProperty("topscore", "Top score value", 1, 100, null, 3.0f);

    void addDataPoint(DataPoint point);

    Object[] getViolationParameters(DataPoint point);
}