/// <summary>Retrieve the current value and store it in our array of values.</summary>
public virtual object GetValue()
{
object value = null;
// If we're at the end of the capture window, apply the aggregation.
if (this.aggregationFunction != null)
{
if (!this.inCaptureWindow)
{
value = ApplyAggregation();
}
}
else
{
value = locator.Get(variableName);
if (value == null)
{
Values.Add(null);
}
else
{
if (value != null && value is IFunction)
{
value = (value as IFunction).Value();
}
else if (value.GetType().IsArray || value.GetType().IsClass)
{
try
{
value = ReflectionUtilities.Clone(value);
}
catch (Exception)
{
throw new Exception("Cannot report variable " + this.variableName +
". Variable is not of a reportable type. Perhaps " +
" it is a PMF Function that needs a .Value appended to the name.");
}
}
if (!haveGotUnits)
{
IVariable var = locator.GetObject(variableName);
if (var != null)
{
Units = var.UnitsLabel;
if (Units != null && Units.StartsWith("(") && Units.EndsWith(")"))
{
Units = Units.Substring(1, Units.Length - 2);
}
}
haveGotUnits = true;
}
Values.Add(value);
}
}
return(value);
}
/// <summary>
/// Constructor for an aggregated column.
/// </summary>
/// <param name="aggregationFunction">The aggregation function</param>
/// <param name="variableName">The name of the APSIM variable to retrieve</param>
/// <param name="columnName">The column name to write to the output</param>
/// <param name="from">The beginning of the capture window</param>
/// <param name="to">The end of the capture window</param>
/// <param name="clock">An instance of a clock model</param>
/// <param name="storage">An instance of a storage service</param>
/// <param name="locator">An instance of a locator service</param>
/// <param name="events">An instance of an events service</param>
/// <returns>The newly created ReportColumn</returns>
private ReportColumn(string aggregationFunction, string variableName, string columnName, object from, object to,
IClock clock, IStorageWriter storage, ILocator locator, IEvent events)
{
Values = new List <object>();
this.aggregationFunction = aggregationFunction;
this.variableName = variableName;
this.Name = columnName;
this.inCaptureWindow = false;
this.storage = storage;
this.locator = locator;
this.events = events;
this.clock = clock;
try
{
IVariable var = locator.GetObject(variableName);
if (var != null)
{
Units = var.UnitsLabel;
if (Units != null && Units.StartsWith("(") && Units.EndsWith(")"))
{
Units = Units.Substring(1, Units.Length - 2);
}
}
}
catch (Exception) { }
events.Subscribe("[Clock].StartOfDay", this.OnStartOfDay);
events.Subscribe("[Clock].DoReportCalculations", this.OnEndOfDay);
if (DateTime.TryParse(from.ToString(), out this.fromDate))
{
this.fromHasNoYear = !from.ToString().Contains(this.fromDate.Year.ToString());
}
else if (from is IVariable)
{
this.fromVariable = from as IVariable;
}
else
{
events.Subscribe(from.ToString(), this.OnBeginCapture);
}
if (DateTime.TryParse(to.ToString(), out this.toDate))
{
this.toHasNoYear = !to.ToString().Contains(this.toDate.Year.ToString());
}
else if (to is IVariable)
{
this.toVariable = to as IVariable;
}
else
{
events.Subscribe(to.ToString(), this.OnEndCapture);
}
}
/// <summary>
/// Constructor for a plain report variable.
/// </summary>
/// <param name="variableName">The name of the APSIM variable to retrieve</param>
/// <param name="columnName">The column name to write to the output</param>
/// <param name="clock">An instance of a clock model</param>
/// <param name="storage">An instance of a storage service</param>
/// <param name="locator">An instance of a locator service</param>
/// <param name="events">An instance of an events service</param>
private ReportColumn(string variableName, string columnName,
IClock clock, IStorageWriter storage, ILocator locator, IEvent events)
{
this.variableName = variableName.Trim();
this.Name = columnName;
this.locator = locator;
this.clock = clock;
try
{
IVariable var = locator.GetObject(variableName);
if (var != null)
{
Units = var.UnitsLabel;
if (Units != null && Units.StartsWith("(") && Units.EndsWith(")"))
{
Units = Units.Substring(1, Units.Length - 2);
}
}
}
catch (Exception) { }
}
/// <summary>
/// Initialise the column instance.
/// </summary>
/// <param name="aggFunction">The aggregation function.</param>
/// <param name="varName">The name of the variable to get from APSIM.</param>
/// <param name="on">The collection event.</param>
/// <param name="alias">The alias.</param>
/// <param name="from">The from variable.</param>
/// <param name="to">The to variable.</param>
private void Initialise(string aggFunction, string varName, string on, string alias,
string from, string to)
{
aggregationFunction = aggFunction;
variableName = varName;
fromString = from;
toString = to;
Name = alias;
// specify a column heading if alias was not specified.
if (string.IsNullOrEmpty(Name))
{
// Look for an array specification. The aim is to encode the starting
// index of the array into the column name. e.g.
// for a variableName of [2:4], columnName = [2]
// for a variableName of [3:], columnName = [3]
// for a variableName of [:5], columnNamne = [0]
Regex regex = new Regex("\\[([0-9]+):*[0-9]*\\]");
Name = regex.Replace(variableName.Replace("[:", "[1:"), "($1)");
// strip off square brackets.
Name = Name.Replace("[", string.Empty).Replace("]", string.Empty);
}
// Try and get units.
try
{
IVariable var = locator.GetObject(variableName);
if (var != null)
{
Units = var.UnitsLabel;
if (Units != null && Units.StartsWith("(") && Units.EndsWith(")"))
{
Units = Units.Substring(1, Units.Length - 2);
}
}
}
catch (Exception)
{
}
if (string.IsNullOrEmpty(fromString))
{
inCaptureWindow = true;
}
else
{
// temporarly aggregated variable
// subscribe to the capture event
var collectionEventName = "[Clock].DoReportCalculations";
if (!string.IsNullOrEmpty(on))
{
collectionEventName = on;
}
events.Subscribe(collectionEventName, OnDoReportCalculations);
// subscribe to the start of day event so that we can determine if we're in the capture window.
events.Subscribe("[Clock].DoDailyInitialisation", OnStartOfDay);
fromVariable = (clock as IModel).FindByPath(fromString);
toVariable = (clock as IModel).FindByPath(toString);
if (fromVariable != null)
{
// A from variable name was specified.
}
else if (DateTime.TryParseExact(fromString, "d-MMM", CultureInfo.InvariantCulture, DateTimeStyles.None, out DateTime date) ||
DateTime.TryParse(fromString, out date))
{
// The from date is a static, hardcoded date string. ie 1-Jan, 1/1/2012, etc.
fromVariable = new VariableObject(date);
// If the date string does not contain a year (ie 1-Jan), we ignore year and
fromHasNoYear = !fromString.Contains(date.Year.ToString());
}
else
{
// Assume the string is an event name.
events.Subscribe(fromString, OnFromEvent);
inCaptureWindow = true;
}
if (toVariable != null)
{
// A to variable name was specified.
}
else if (DateTime.TryParseExact(toString, "d-MMM", CultureInfo.InvariantCulture, DateTimeStyles.None, out DateTime date) ||
DateTime.TryParse(toString, out date))
{
// The from date is a static, hardcoded date string. ie 1-Jan, 1/1/2012, etc.
toVariable = new VariableObject(date);
// If the date string does not contain a year (ie 1-Jan), we ignore year and
toHasNoYear = !toString.Contains(date.Year.ToString());
}
else
{
// Assume the string is an event name.
events.Subscribe(toString, OnToEvent);
}
}
}
/// <summary>
/// Constructor for an aggregated column.
/// </summary>
/// <param name="aggregationFunction">The aggregation function</param>
/// <param name="variableName">The name of the APSIM variable to retrieve</param>
/// <param name="columnName">The column name to write to the output</param>
/// <param name="from">The beginning of the capture window</param>
/// <param name="to">The end of the capture window</param>
/// <param name="clock">An instance of a clock model</param>
/// <param name="storage">An instance of a storage service</param>
/// <param name="locator">An instance of a locator service</param>
/// <param name="events">An instance of an events service</param>
/// <returns>The newly created ReportColumn</returns>
private ReportColumn(string aggregationFunction, string variableName, string columnName, object from, object to,
IClock clock, IStorageWriter storage, ILocator locator, IEvent events)
{
this.aggregationFunction = aggregationFunction;
this.variableName = variableName;
this.Name = columnName;
this.locator = locator;
this.clock = clock;
try
{
IVariable var = locator.GetObject(variableName);
if (var != null)
{
Units = var.UnitsLabel;
if (Units != null && Units.StartsWith("(") && Units.EndsWith(")"))
{
Units = Units.Substring(1, Units.Length - 2);
}
}
}
catch (Exception)
{
}
events.Subscribe("[Clock].DoReportCalculations", OnDoReportCalculations);
events.Subscribe("[Clock].DoDailyInitialisation", OnStartOfDay);
if (from == null || string.IsNullOrEmpty(from.ToString()))
{
throw new Exception("No 'from' clause was specified in temporal aggregation");
}
if (DateTime.TryParse(from.ToString(), out DateTime date))
{
// The from date is a static, hardcoded date string. ie 1-Jan, 1/1/2012, etc.
this.fromVariable = new VariableObject(date);
// If the date string does not contain a year (ie 1-Jan), we ignore year and
this.fromHasNoYear = !from.ToString().Contains(date.Year.ToString());
}
else if (from is IVariable)
{
this.fromVariable = from as IVariable;
}
else
{
// Assume the string is an event name.
events.Subscribe(from.ToString(), OnFromEvent);
inCaptureWindow = true;
}
if (to == null || string.IsNullOrEmpty(to.ToString()))
{
throw new Exception("No 'to' clause was specified in temporal aggregation");
}
if (DateTime.TryParse(to.ToString(), out date))
{
// The from date is a static, hardcoded date string. ie 1-Jan, 1/1/2012, etc.
this.toVariable = new VariableObject(date);
// If the date string does not contain a year (ie 1-Jan), we ignore year and
this.toHasNoYear = !to.ToString().Contains(date.Year.ToString());
}
else if (to is IVariable)
{
this.toVariable = to as IVariable;
}
else
{
// Assume the string is an event name.
events.Subscribe(to.ToString(), OnToEvent);
}
}
