Time.java

/*
 * #!
 * %
 * Copyright (C) 2014 - 2016 Humboldt-Universität zu Berlin
 * %
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #_
 */
package de.hub.cs.dbis.lrb.util;

/**
 * Helper class to compute the current minute of given millisecond.
 * 
 * @author msoyka
 * @author mjsax
 */
public class Time {
	
	private Time() {}
	
	/**
	 * Computes the 'minute number' if a time (in seconds).
	 * 
	 * The 'minute number' m is computed as: {@code m = floor(timestamp / 60) + 1}
	 * 
	 * @param timestamp
	 *            the timestamp value in seconds
	 * 
	 * @return the 'minute number' if the given timestamp
	 */
	public static short getMinute(long timestamp) {
		return (short)((timestamp / 60) + 1);
	}
	
}