TimeUtils.java

package org.act.tstream.utils;

import backtype.storm.utils.Time;

/**
 * Time utils
 * 
 * @author yannian
 * 
 */
public class TimeUtils {

	/**
	 * Take care of int overflow
	 * 
	 * @return
	 */
	public static int current_time_secs() {
		return  (int)(Time.currentTimeMillis() / 1000);
	}

	/**
	 * Take care of int overflow
	 * 
	 * @return
	 */
	public static int time_delta(int time_secs) {
		return current_time_secs() - time_secs;
	}

	public static long time_delta_ms(long time_ms) {
		return System.currentTimeMillis() - time_ms;
	}
}