Elastic Search Custom Script

CustomScript.java.v1

package com.thomas;

import org.elasticsearch.script.AbstractFloatSearchScript;

import static java.lang.Math.max;
import static java.lang.Math.pow;

/**
 * Created by IntelliJ IDEA.
 * User: thomas
 * Date: Jun 16, 2011
 * Time: 4:41:19 PM
 * To change this template use File | Settings | File Templates.
 */
public class CustomScript extends AbstractFloatSearchScript {
    @Override
    public float runAsFloat() {
        int daysSinceRelease = doc().numeric("daysSinceRelease").getIntValue();

        return (float) (0.4 * (-150.0 * pow(max(daysSinceRelease
                - -30000.0, 0), 0.000001) * pow(max(-1826.0 - daysSinceRelease, 0), 0.000001) + -100.0 * pow(max(daysSinceRelease - -1825.0, 0), 0.000001) * pow(max(-1096.0 -
                daysSinceRelease, 0), 0.000001) + (-100.0 + (daysSinceRelease - -1095.0) * (0.0 - -100.0) / (-548.0 - -1095.0)) * pow(max(daysSinceRelease - -1095.0, 0), 0.000001) * pow(max(-548.0 - daysSinceRelease, 0), 0.000001)));
    }
}