ArrayTimeInterval.h

/*
 * ALMA - Atacama Large Millimeter Array
 * (c) European Southern Observatory, 2002
 * (c) Associated Universities Inc., 2002
 * Copyright by ESO (in the framework of the ALMA collaboration),
 * Copyright by AUI (in the framework of the ALMA collaboration),
 * All rights reserved.
 * 
 * This library 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 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307  USA
 *
 * File ArrayTimeInterval.h
 */

#ifndef ArrayTimeInterval_CLASS
#define ArrayTimeInterval_CLASS

#include <Long.h>
#include <ArrayTime.h>
#include <Interval.h>

#ifndef WITHOUT_ACS
#include <asdmIDLTypesC.h>
#endif

using asdm::Long;
using asdm::Interval;
using asdm::ArrayTime;

#ifndef WITHOUT_ACS
using asdmIDLTypes::IDLArrayTimeInterval;
#endif

namespace asdm {
        
class ArrayTimeInterval {
friend ostream & operator << ( ostream &, ArrayTimeInterval& );

private:
        ArrayTime start;
        Interval duration;

public:


        // Constructors
        ArrayTimeInterval();
        ArrayTimeInterval(ArrayTime  start,
                                          Interval  duration);
                                          
        ArrayTimeInterval(double startInMJD,
                          double durationInDays);
                          
        ArrayTimeInterval(long long startInNanoSeconds,
                          long long durationInNanoSeconds);                                               
                                          
        ArrayTimeInterval(ArrayTime start);
        ArrayTimeInterval(double startInMJD);
        ArrayTimeInterval(long long startInNanoSeconds);
        
#ifndef WITHOUT_ACS
        ArrayTimeInterval (IDLArrayTimeInterval t); 
#endif  
        // Setters
        void setStart(ArrayTime start);
        void setStart(double start);
        void setStart(long long start);
        
        void setDuration(Interval duration);
        void setDuration(long long nanoSeconds);
        void setDuration(double days);
                
        // Getters      
        ArrayTime getStart() const ;
        double getStartInMJD() const ;
        long long getStartInNanoSeconds() const ;
        
        Interval getDuration() const ;
        long long getDurationInNanoSeconds() const ;
        double getDurationInDays() const ;
        
        // Checkers
        bool equals(ArrayTimeInterval ati);
        bool overlaps(ArrayTimeInterval ati);
        bool contains(ArrayTimeInterval ati);
        bool contains(ArrayTime at);

        // Operators
        bool operator == (ArrayTimeInterval&);
        bool operator != (ArrayTimeInterval&);
                
#ifndef WITHOUT_ACS
        // To IDL conversion
        const asdmIDLTypes::IDLArrayTimeInterval toIDLArrayTimeInterval() const; 
#endif

        void toBin(EndianOSStream& eoss);

        static void toBin(const vector<ArrayTimeInterval>& arrayTimeInterval,  EndianOSStream& eoss);
        
        static void toBin(const vector<vector<ArrayTimeInterval> >& arrayTimeInterval,  EndianOSStream& eoss);
        
        static void toBin(const vector<vector<vector<ArrayTimeInterval> > >& arrayTimeInterval,  EndianOSStream& eoss);

        static ArrayTimeInterval fromBin(EndianISStream& eiss);
        
         static vector<ArrayTimeInterval> from1DBin(EndianISStream & eiss);
         
         static vector<vector<ArrayTimeInterval> > from2DBin(EndianISStream & eiss);
         
         static vector<vector<vector<ArrayTimeInterval> > > from3DBin(EndianISStream & eiss);
};


// inline constructors

 inline ArrayTimeInterval::ArrayTimeInterval(): start((long long)0), duration(0) {}
 inline ArrayTimeInterval::ArrayTimeInterval(ArrayTime start_, Interval duration_) {
   start = start_;
   duration = Interval(min(duration_.get(), Long::MAX_VALUE - start.get()));
 }
 
 inline ArrayTimeInterval::ArrayTimeInterval(double startInMJD, double durationInDays) :
   start(startInMJD), 
   duration((long long) (ArrayTime::unitsInADay * durationInDays)){}
 
 inline ArrayTimeInterval::ArrayTimeInterval(long long startInNanoSeconds,
                                             long long durationInNanoSeconds){
   start = startInNanoSeconds;
   duration = min(durationInNanoSeconds, Long::MAX_VALUE - startInNanoSeconds);
 }                              
 
 inline ArrayTimeInterval::ArrayTimeInterval(ArrayTime  start_):
   start(start_) {
   duration = Interval(Long::MAX_VALUE - start.get());
 }
 
 inline ArrayTimeInterval::ArrayTimeInterval(double startInMJD):
   start(startInMJD) {
   this->duration = Interval(Long::MAX_VALUE - start.get());
 }
 
 inline ArrayTimeInterval::ArrayTimeInterval(long long startInNanoSeconds):
   start(startInNanoSeconds) {
   this->duration = Interval(Long::MAX_VALUE - start.get());
 }
 
 // Inline setters
 inline void ArrayTimeInterval::setStart(ArrayTime start) {
   this->start = ArrayTime(start);
 }
 
 inline void ArrayTimeInterval::setStart(double start) {
   this->start = ArrayTime(start);
 }
 
 inline void ArrayTimeInterval::setStart(long long start) {
   this->start = ArrayTime(start);
 }
 
 inline void ArrayTimeInterval::setDuration(Interval duration) {
   this->duration = Interval(duration); 
 }
 
 
 inline void ArrayTimeInterval::setDuration(double duration) {
   this->duration = Interval((long long) (ArrayTime::unitsInADay * duration));  
 }
 
 inline void ArrayTimeInterval::setDuration(long long duration) {
   this->duration = Interval(duration); 
 }
 
 // inline getters
 inline ArrayTime ArrayTimeInterval::getStart() const {
   return start;        
 }
 
 inline double ArrayTimeInterval::getStartInMJD() const {
   return start.getMJD();       
 }
 
 inline long long ArrayTimeInterval::getStartInNanoSeconds() const  {
   return start.get();  
 }
 
 inline Interval ArrayTimeInterval::getDuration() const {
   return duration;     
 }
 
 inline double ArrayTimeInterval::getDurationInDays() const {
   return (((double) duration.get()) / ArrayTime::unitsInADay); 
 }
 
 inline long long ArrayTimeInterval::getDurationInNanoSeconds() const {
   return duration.get();       
 }
 
 // inline checkers
 inline bool ArrayTimeInterval::equals(ArrayTimeInterval ati) {
   return ((start.get() == ati.getStart().get()) && 
           (duration.get() == ati.getDuration().get()));
 }
 
 inline bool ArrayTimeInterval::overlaps(ArrayTimeInterval ati) {
   long long start1 = start.get();
   long long end1 = start1 + duration.get();
   
   
   long long start2 = ati.getStart().get();
   long long end2   = start2 + ati.getDuration().get();
   
   return (start2 <= start1 && end2 >= start1) ||
     (start2 >= start1 && start2 <= end1);
 }
 
 inline bool ArrayTimeInterval::contains(ArrayTimeInterval ati) {
   long long start1 = start.get();;
   long long end1 = start1 + duration.get();
   
   long long start2 = ati.getStart().get();
   long long end2   = start2 + ati.getDuration().get();
   
   return (start2>=start1 && end2<=end1);
 }
 
 inline bool ArrayTimeInterval::contains(ArrayTime ati) {
   long long start1 = start.get();
   long long end1 = start1 + duration.get();
   
   long long time = ati.get();
   return (time >= start1 && time < end1);
 }
 
 inline bool ArrayTimeInterval::operator == (ArrayTimeInterval &ati){
   return (start == ati.start) && (duration == ati.duration);
 }
 
 inline bool ArrayTimeInterval::operator != (ArrayTimeInterval &ati){
   return (start != ati.start) || (duration != ati.duration);
 }
 
 inline ostream & operator << ( ostream &o, ArrayTimeInterval &ati ) {
   o << "(start=" << ati.getStart().get() << ",duration=" << ati.getDuration().get() << ")";
   return o;
        
 } // End namespace asdm
} // ArrayTimeInterval_CLASS
#endif

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