Java tutorial
/* * Copyright (c) Numerical Method Inc. * http://www.numericalmethod.com/ * * THIS SOFTWARE IS LICENSED, NOT SOLD. * * YOU MAY USE THIS SOFTWARE ONLY AS DESCRIBED IN THE LICENSE. * IF YOU ARE NOT AWARE OF AND/OR DO NOT AGREE TO THE TERMS OF THE LICENSE, * DO NOT USE THIS SOFTWARE. * * THE SOFTWARE IS PROVIDED "AS IS", WITH NO WARRANTY WHATSOEVER, * EITHER EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION, * ANY WARRANTIES OF ACCURACY, ACCESSIBILITY, COMPLETENESS, * FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, NON-INFRINGEMENT, * TITLE AND USEFULNESS. * * IN NO EVENT AND UNDER NO LEGAL THEORY, * WHETHER IN ACTION, CONTRACT, NEGLIGENCE, TORT, OR OTHERWISE, * SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR * ANY CLAIMS, DAMAGES OR OTHER LIABILITIES, * ARISING AS A RESULT OF USING OR OTHER DEALINGS IN THE SOFTWARE. */ package com.pureblue.quant.util.frequency; import org.joda.time.DateTime; /** * Every minute, starting at the beginning of the minute and ending just before the beginning of the * next minute. * * @author Johannes Lehmann */ public class Minute implements Frequency { @Override public DateTime periodBegin(DateTime time) { return new DateTime(time.getYear(), time.getMonthOfYear(), time.getDayOfMonth(), time.getHourOfDay(), time.getMinuteOfHour(), 0, 0, time.getZone()); } @Override public DateTime periodEnd(DateTime time) { return periodBegin(time).plusMinutes(1); } }