org.opencds.cqf.cql.runtime.Time Maven / Gradle / Ivy

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CQL Engine
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package org.opencds.cqf.cql.runtime;

import org.joda.time.*;
import org.joda.time.DateTime;

import java.math.BigDecimal;
import java.time.Month;
import java.time.MonthDay;
import java.time.format.DateTimeFormatter;
import java.util.Arrays;
import java.util.TimeZone;

/**
 * Created by Chris Schuler on 6/16/2016
 */
public class Time extends BaseTemporal implements CqlType {

    public Time(Partial partial) {
        this.timezone = DateTimeZone.forOffsetMillis(TimeZone.getDefault().getRawOffset());
        this.isDateTime = false;
        setPartial(partial);
    }

    public Time(Partial partial, DateTimeZone timezone) {
        this.timezone = timezone;
        this.isDateTime = false;
        setPartial(partial);
    }

    protected static final DateTimeFieldType[] fields = new DateTimeFieldType[] {
            DateTimeFieldType.hourOfDay(),
            DateTimeFieldType.minuteOfHour(),
            DateTimeFieldType.secondOfMinute(),
            DateTimeFieldType.millisOfSecond(),
    };

    public static DateTimeFieldType[] getFields(int numFields) {
        DateTimeFieldType[] ret = new DateTimeFieldType[numFields];
        System.arraycopy(fields, 0, ret, 0, numFields);
        return ret;
    }

    public static DateTimeFieldType getField(int idx) {
        return fields[idx];
    }

    public static int getFieldIndex(String dateTimeElement) {
        dateTimeElement = dateTimeElement.toLowerCase();

        if (dateTimeElement.startsWith("hour")) {
            return 0;
        }
        else if (dateTimeElement.startsWith("minute")) {
            return 1;
        }
        else if (dateTimeElement.startsWith("second")) {
            return 2;
        }
        else if (dateTimeElement.startsWith("millisecond")) {
            return 3;
        }

        return -1;
    }

    public static String getUnit(int idx) {
        switch (idx) {
            case 0: return "hours";
            case 1: return "minutes";
            case 2: return "seconds";
            case 3: return "milliseconds";
        }
        throw new IllegalArgumentException("Invalid index for Time unit request.");
    }

    public static Time getTimeOfDay() {
        org.joda.time.DateTime dt = org.joda.time.DateTime.now();
        int [] values = { dt.hourOfDay().get(), dt.minuteOfHour().get(), dt.secondOfMinute().get(), dt.millisOfSecond().get() };
        return new Time(new Partial(fields, values), dt.getZone());
    }

    public static Time expandPartialMin(Time dt, int size) {
        for (int i = dt.getPartial().size(); i < size; ++i) {
            dt.setPartial(dt.getPartial().with(getField(i), getField(i).getField(null).getMinimumValue()));
        }
        return dt;
    }
}