CDaysBetween.java
- /*
- * @cond LICENSE
- * ######################################################################################
- * # LGPL License #
- * # #
- * # This file is part of the LightJason AgentSpeak(L++) #
- * # Copyright (c) 2015-19, 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.Days;
- import org.joda.time.Instant;
- import javax.annotation.Nonnull;
- import java.util.List;
- import java.util.stream.Stream;
- /**
- * returns the days between two dates.
- * The actions returns the number of days between
- * two date-time objects, the action never
- * fails. 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
- *
- * {@code [D1|D2] = datetime/daysbetween( DateTime1, DateTime2, DateTime3, DateTime4 );}
- */
- public final class CDaysBetween extends IBetween
- {
- /**
- * serial id
- */
- private static final long serialVersionUID = 2204654538944733054L;
- @Nonnull
- @Override
- protected final Stream<?> apply( @Nonnull final Stream<List<Instant>> p_datetime )
- {
- return p_datetime
- .map( i -> Days.daysBetween( i.get( 0 ), i.get( 1 ) ) )
- .mapToDouble( Days::getDays )
- .boxed();
- }
- }