TimeInterval.cpp

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/*
 * This file is part of KnowRob, please consult
 * https://github.com/knowrob/knowrob for license details.
 */
 
#include "knowrob/TimeInterval.h"
 
using namespace knowrob;
 
TimeInterval::TimeInterval(const std::optional<TimePoint> &since, const std::optional<TimePoint> &until)
        : since_(since),
          until_(until) {}
 
bool TimeInterval::operator==(const TimeInterval &other) const {
    return since_ == other.since_ && until_ == other.until_;
}
 
const TimeInterval &TimeInterval::anytime() {
    static const TimeInterval timeInterval(std::nullopt, std::nullopt);
    return timeInterval;
}
 
TimeInterval TimeInterval::currently() {
    TimePoint now = time::now();
    return {now, now};
}
 
TimeInterval TimeInterval::during(const TimePoint &begin, const TimePoint &end) {
    return {begin, end};
}
 
std::shared_ptr<TimeInterval> TimeInterval::intersectWith(const TimeInterval &other) const {
    return std::make_shared<TimeInterval>(std::max(since_, other.since_), std::min(until_, other.until_));
}
 
void TimeInterval::write(std::ostream &os) const {
    os << '[';
    if (since().has_value()) time::write(since().value(), os);
    else os << '_';
    os << ",";
    if (until().has_value()) time::write(until().value(), os);
    else os << '_';
    os << ']';
}