Java tutorial
/* * @cond LICENSE * ###################################################################################### * # LGPL License # * # # * # This file is part of the LightJason AgentSpeak(L++) # * # Copyright (c) 2015-17, LightJason (info@lightjason.org) # * # This program is free software: you can redistribute it and/or modify # * # it under the terms of the GNU Lesser General Public License as # * # published by the Free Software Foundation, either version 3 of the # * # License, or (at your option) any later version. # * # # * # This program is distributed in the hope that it will be useful, # * # but WITHOUT ANY WARRANTY; without even the implied warranty of # * # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # * # GNU Lesser General Public License for more details. # * # # * # You should have received a copy of the GNU Lesser General Public License # * # along with this program. If not, see http://www.gnu.org/licenses/ # * ###################################################################################### * @endcond */ package org.lightjason.agentspeak.action.builtin.datetime; import org.joda.time.Instant; import org.joda.time.Seconds; import javax.annotation.Nonnull; import java.util.List; import java.util.stream.Stream; /** * returns the seconds between two dates. * The actions returns the number of seconds between * two date-time objects, the action never * fails * * @code [S1|S2] = datetime/secondsbetween( DateTime1, DateTime2, DateTime3, DateTime4 ); @endcode * @note a positive value will be returned iif the first date-time item is before the second one, a negative value * will be returned iif the first date-time item is after the second date-time item */ public final class CSecondsBetween extends IBetween { /** * serial id */ private static final long serialVersionUID = -3287313602403467271L; @Nonnull @Override protected final Stream<?> apply(@Nonnull final Stream<List<Instant>> p_datetime) { return p_datetime.map(i -> Seconds.secondsBetween(i.get(0), i.get(1))).mapToDouble(Seconds::getSeconds) .boxed(); } }