com.avalon.holygrail.statistics.bean.MaxValue Maven / Gradle / Ivy

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package com.avalon.holygrail.statistics.bean;

import com.avalon.holygrail.statistics.model.StatisticsBigDecimalFilter;
import com.avalon.holygrail.statistics.norm.DataContainer;
import com.avalon.holygrail.statistics.norm.Formatter;
import com.avalon.holygrail.statistics.norm.RawDataHandler;

import java.math.BigDecimal;
import java.math.RoundingMode;

/**
 * 最大值统计
 * Created by 白超 on 2018/3/9.
 */
public final class MaxValue extends StatisticsBigDecimalFilter {

    public MaxValue(String name, DataContainer dataContainer, RawDataHandler rawDataHandler) {
        super(name, dataContainer, rawDataHandler);
    }

    public MaxValue(String name, DataContainer dataContainer, Formatter formatter) {
        super(name, dataContainer, formatter);
    }

    public MaxValue(String name, DataContainer dataContainer, RawDataHandler rawDataHandler, int scale, RoundingMode roundingMode) {
        super(name, dataContainer, rawDataHandler, scale, roundingMode);
    }

    public MaxValue(String name, DataContainer dataContainer, Formatter formatter, int scale, RoundingMode roundingMode) {
        super(name, dataContainer, formatter, scale, roundingMode);
    }

    @Override
    public void doStatistics(BigDecimal value, int count) throws Exception {
        BigDecimal hv = this.getValue(this.getName());
        if (hv == null) {
            hv = new BigDecimal(Integer.MIN_VALUE);
        }
        if (value == null) {
            value = new BigDecimal(0);
        }
        this.doStatistics(hv, value, count);
    }

    @Override
    public void doStatistics(BigDecimal oldValue, BigDecimal newValue, int count) {
        BigDecimal maxValue;
        if (newValue.compareTo(oldValue) == 1) {
            maxValue = newValue;
        }else {
            maxValue = oldValue;
        }
        this.setValue(this.getName(), maxValue);
        int hc = this.getValueCount(this.getName(), maxValue);
        this.setValueCount(this.getName(), maxValue, hc + count);
    }

}