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2025/include/seiscomp/core/timewindow.h
2025-10-29 12:34:04 +00:00

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/***************************************************************************
* Copyright (C) gempa GmbH *
* All rights reserved. *
* Contact: gempa GmbH (seiscomp-dev@gempa.de) *
* *
* GNU Affero General Public License Usage *
* This file may be used under the terms of the GNU Affero *
* Public License version 3.0 as published by the Free Software Foundation *
* and appearing in the file LICENSE included in the packaging of this *
* file. Please review the following information to ensure the GNU Affero *
* Public License version 3.0 requirements will be met: *
* https://www.gnu.org/licenses/agpl-3.0.html. *
* *
* Other Usage *
* Alternatively, this file may be used in accordance with the terms and *
* conditions contained in a signed written agreement between you and *
* gempa GmbH. *
***************************************************************************/
#ifndef SC_CORE_TIMESPAN_H
#define SC_CORE_TIMESPAN_H
#include <seiscomp/core.h>
#include <seiscomp/core/datetime.h>
#include <seiscomp/core/optional.h>
#include <ostream>
namespace Seiscomp {
namespace Core {
class SC_SYSTEM_CORE_API TimeWindow {
// ----------------------------------------------------------------------
// X'truction
// ----------------------------------------------------------------------
public:
TimeWindow() = default;
TimeWindow(const Time &startTime, double length);
TimeWindow(const Time &startTime, const TimeSpan length);
TimeWindow(const Time &startTime, const Time &endTime);
TimeWindow(const TimeWindow &other);
// ----------------------------------------------------------------------
// Assignment operators
// ----------------------------------------------------------------------
public:
TimeWindow &operator=(const TimeWindow&);
// ----------------------------------------------------------------------
// Comparison operators
// ----------------------------------------------------------------------
public:
bool operator==(const TimeWindow&) const;
bool operator!=(const TimeWindow&) const;
// ----------------------------------------------------------------------
// Arithmetic operators
// ----------------------------------------------------------------------
public:
//! Returns the minimal timewindow including this and other
TimeWindow operator|(const TimeWindow &other) const;
//! Sets the minimal timewindow including this and other
TimeWindow &operator|=(const TimeWindow &other);
//! Returns the intersection of this and other
TimeWindow operator&(const TimeWindow &other) const;
//! Sets the intersection of this and other
TimeWindow &operator&=(const TimeWindow &other);
// ----------------------------------------------------------------------
// Cast operators
// ----------------------------------------------------------------------
public:
//! Returns if the time window has length larger than 0.
operator bool() const;
// ----------------------------------------------------------------------
// Public interface
// ----------------------------------------------------------------------
public:
Time startTime() const;
Time endTime() const;
TimeSpan length() const;
void set(const Time &t1, const Time &t2);
void setStartTime(const Time &t);
void setEndTime(const Time &t);
//! set length in seconds, affects endTime
void setLength(TimeSpan length);
//! does it contain time t?
bool contains(const Time &t) const;
//! does it contain time window tw completely?
bool contains(const TimeWindow &tw) const;
//! is equal to time window?
//! +/- tolerance in seconds
bool equals(const TimeWindow &tw, TimeSpan tolerance = TimeSpan(0, 0)) const;
//! does it overlap with time window tw?
bool overlaps(const TimeWindow &tw) const;
//! test if this+other would form a contiguous time window
bool contiguous(const TimeWindow &, TimeSpan tolerance = TimeSpan(0, 0)) const;
//! Sets the intersection time window with this and other
TimeWindow &overlap(const TimeWindow &other);
//! Computes the intersection with time window other
TimeWindow overlapped(const TimeWindow &other) const;
//! Merges other into this to the minimal timewindow overlapping both.
TimeWindow &merge(const TimeWindow &other);
//! Returns the minimal timewindow including this and other
TimeWindow merged(const TimeWindow &other) const;
// ----------------------------------------------------------------------
// Private members
// ----------------------------------------------------------------------
private:
Time _startTime;
Time _endTime;
};
class SC_SYSTEM_CORE_API OpenTimeWindow {
// ----------------------------------------------------------------------
// X'truction
// ----------------------------------------------------------------------
public:
OpenTimeWindow() = default;
OpenTimeWindow(const OPT(Time) &startTime, const OPT(Time) &endTime);
OpenTimeWindow(const OpenTimeWindow &other);
// ----------------------------------------------------------------------
// Assignment operators
// ----------------------------------------------------------------------
public:
OpenTimeWindow &operator=(const OpenTimeWindow&);
// ----------------------------------------------------------------------
// Comparison operators
// ----------------------------------------------------------------------
public:
bool operator==(const OpenTimeWindow&) const;
bool operator!=(const OpenTimeWindow&) const;
// ----------------------------------------------------------------------
// Public interface
// ----------------------------------------------------------------------
public:
OPT(Time) startTime() const;
OPT(Time) endTime() const;
OPT(TimeSpan) length() const;
void set(const OPT(Time) &t1, const OPT(Time) &t2);
void setStartTime(const OPT(Time) &t);
void setEndTime(const OPT(Time) &t);
//! does it contain time t?
bool contains(const Time &t) const;
//! does it contain time window tw completely?
bool contains(const OpenTimeWindow &tw) const;
//! does it overlap with time window tw?
bool overlaps(const OpenTimeWindow &tw) const;
// ----------------------------------------------------------------------
// Private members
// ----------------------------------------------------------------------
private:
OPT(Time) _startTime;
OPT(Time) _endTime;
};
std::ostream &operator<<(std::ostream &os, const TimeWindow &timeWindow);
std::ostream &operator<<(std::ostream &os, const OpenTimeWindow &timeWindow);
#include "timewindow.ipp"
}
}
#endif