LongDateFormatter.java

package ldbc.snb.datagen.serializer.formatter;

import org.apache.hadoop.conf.Configuration;

import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.TimeZone;

/**
 * Created by aprat on 14/01/16.
 */
public class LongDateFormatter implements DateFormatter {
    private GregorianCalendar calendar_;
    private int minHour;
    private int minMinute;
    private int minSecond;
    private int minMillisecond;

    public void initialize(Configuration config) {
        calendar_ = new GregorianCalendar(TimeZone.getTimeZone("GMT"));
        minHour = calendar_.getActualMinimum( Calendar.HOUR );
        minMinute = calendar_.getActualMinimum( Calendar.MINUTE );
        minSecond = calendar_.getActualMinimum( Calendar.SECOND );
        minMillisecond = calendar_.getActualMinimum( Calendar.MILLISECOND );
    }

    public String formatDate(long date) {
        calendar_.setTimeInMillis(date);
        calendar_.set( Calendar.HOUR,minHour );
        calendar_.set( Calendar.MINUTE,minMinute );
        calendar_.set( Calendar.SECOND,minSecond );
        calendar_.set( Calendar.MILLISECOND,minMillisecond);
        return Long.toString(calendar_.getTimeInMillis());
    }

    public String formatDateTime(long date) {
        return Long.toString(date);
    }
}