/// <summary>
/// Check if the time set of a provider fits accoring to what the consumer
/// requires. This method can be used to check of the providing component yet needs to do another Update() step.
/// </summary>
/// <param name="provider">The provider</param>
/// <param name="consumer">The consumer</param>
/// <returns>True if the time set fits</returns>
public static bool OutputAndInputTimeSetsFit(ITimeSpaceExchangeItem provider, ITimeSpaceExchangeItem consumer)
{
if (provider == null)
{
throw new ArgumentNullException("provider");
}
if (consumer == null)
{
throw new ArgumentNullException("consumer");
}
bool timeFits = true;
ITimeSet sourceTimeSet = provider.TimeSet;
ITimeSet targetTimeSet = consumer.TimeSet;
if (sourceTimeSet == null)
{
if (targetTimeSet != null)
{
// NOTE: Source has no timeset specification, source has.
// Source fits target if target requires only one time step.
timeFits = targetTimeSet.Times.Count == 1;
}
}
else
{
if (targetTimeSet == null)
{
// NOTE: Target has no timeset specification, source has.
// Source fits target if source has values for only one time step available.
timeFits = sourceTimeSet.Times.Count == 1;
}
else
{
/*
* SH/AM: TODO I Think this code is wrong, IOutput and IAdaptedOutput should be treated the same
* (SH: reactivated (if (provider is IAdaptedOutput) code
* to make things work for time extrapolators again.
*/
// Both source and target have time set specification
if (provider is ITimeSpaceAdaptedOutput)
{
// NOTE: Source is an adaptedOutput that has a time set.
// Most probably a timeinterpolator, but:
// TODO: Check how we can find out that it is a time interpolator.
// For now: check if the target's last required time is included in the source's time horizon
if (sourceTimeSet.TimeHorizon == null)
{
throw new Exception("Error when checking if the times of AdaptedOutput \"" + provider.Id +
" fits the times required by inputItem \"" + consumer.Id +
"\": no time horizon available in the adaptedOutput");
}
ITime lastRequiredTime = targetTimeSet.Times[targetTimeSet.Times.Count - 1];
double lastRequiredTimeAsMJD = lastRequiredTime.End().StampAsModifiedJulianDay;
double endOfSourceTimeHorizon = sourceTimeSet.TimeHorizon.End().StampAsModifiedJulianDay;
timeFits = lastRequiredTimeAsMJD <= (endOfSourceTimeHorizon + Time.EpsilonForTimeCompare);
}
else
{
timeFits = false;
// regular (output) exchange item, check if all times fit
IList <ITime> sourceTimes = sourceTimeSet.Times;
IList <ITime> requiredTimes = targetTimeSet.Times;
if (sourceTimes.Count == requiredTimes.Count)
{
timeFits = true;
for (int timeIndex = 0; timeIndex < requiredTimes.Count; timeIndex++)
{
if ((requiredTimes[timeIndex].DurationInDays > 0 && !(sourceTimes[timeIndex].DurationInDays > 0)) ||
(sourceTimes[timeIndex].DurationInDays > 0 && !(requiredTimes[timeIndex].DurationInDays > 0)))
{
throw new Exception("Incompatible times (stamp versus span) between outputItem \"" + provider.Id +
" and inputItem \"" + consumer.Id + "\"");
}
if (requiredTimes[timeIndex].Equals(sourceTimes[timeIndex]))
{
continue;
}
timeFits = false;
break;
}
}
}
}
}
return(timeFits);
}
