public T AssignId <T>(IdContext_I context, T objectToAssign)
where T : Ided_I
{
AssignId(context, (Ided_I)objectToAssign);
return(objectToAssign);
}
public Id_I IssueId(IdContext_I context)
{
StandardId standardId = new StandardId();
IssueId(context, standardId);
return(standardId);
}
public Ided_I AssignId(IdContext_I context, Ided_I objectToAssign)
{
IssueId(context, out Id_I id);
objectToAssign.Id = id;
return(objectToAssign);
}
public bool IssueId <T>(IdContext_I context, out T id)
where T : Identifier_I
{
lock (context.SyncRoot)
{
id = XNew.New <T>();
return(IssueId <T>(context, id));
}
}
public AvailableIdRange_I IssueNextAvailableRange(IdContext_I context)
{
var newRange = IssueRange(context, context.DefaultIdRangeSize);
var availableRange = new AvailableIdRange()
{
LastIssuedId = newRange.StartInclusive - 1,
StartInclusive = newRange.StartInclusive,
EndInclusive = newRange.EndInclusive
};
context.AvailableRange = availableRange;
return(availableRange);
}
public bool IssueId <T>(IdContext_I context, T identifier)
where T : Identifier_I
{
lock (context.SyncRoot)
{
bool availableRangeUpdated = false;
if (context.AvailableRange == null || context.AvailableRange.LastIssuedId >= context.AvailableRange.EndInclusive || context.AvailableRange.StartInclusive == 0 || context.AvailableRange.EndInclusive == 0)
{
context.AvailableRange = IssueNextAvailableRange(context);
XSettings.SetAndPersist(LastIdIssuedKey, context.AvailableRange.EndInclusive.ToString());
availableRangeUpdated = true;
}
identifier.Value = (++context.AvailableRange.LastIssuedId);
return(availableRangeUpdated);
}
}
public void Initialize(IdContext_I context)
{
if (XSettings.GetString(LastIdIssuedKey, out string lastIdIssued) &&
!string.IsNullOrEmpty(lastIdIssued) &&
Int64.TryParse(lastIdIssued, out long lastId))
{
context.AvailableRange = new AvailableIdRange()
{
LastIssuedId = lastId
};
return;
}
XSettings.SetAndPersist(LastIdIssuedKey, "0");
context.AvailableRange = new AvailableIdRange()
{
LastIssuedId = 0
};
}
public IdRange_I IssueRange(IdContext_I context, int size)
{
lock (context.SyncRoot)
{
var lastIdentifierIssued = context.AvailableRange.LastIssuedId;
var start = lastIdentifierIssued + 1;
var stop = start - 1 + size;
var range = new IdRange()
{
EndInclusive = stop,
StartInclusive = start
};
context.AvailableRange.LastIssuedId = range.EndInclusive;
return(range);
}
}
