HCL Notes and Domino 9.0 Social Edition Forum - Lotusscript Obect finding properies with code ?

Oct 26, 2015, 1:34 AM

43 Posts

In theory you could use Execute

I think I read in an Advanced Lotuscript presentation somewhere that you can use lazy loading where you put the definition of your class inside an Execute command so that the class will be loaded only when the Execute command is called. So in theory you could craft your object definition string based on whatever fieldname exist in a document. However there is a 64k size limitation for a string so I don't think that this is workable for very large class.

~Fred Asatumiburynds

Oct 26, 2015, 8:22 AM

107 Posts

Delegation?

Have you considered using a delegation design pattern? I.e., your class would encapsulate a NotesDocument object instead of trying to replace the NotesDocument class. To access properties your class would then have a generic getter/setter pair.

E.g.

Class MyClass
Private pDoc As NotesDocument

Public Sub New(rDoc As NotesDocument)
Set pDoc = rDoc
End Sub

Public Function GetProperty(rPropName As String) As Variant
GetProperty = pDoc.GetItemValue(rPropName)
End Function

Public Sub SetProperty(rPropName As String, rValue As Variant)
Call pDoc.ReplaceItemValue(rPropName, rValue)
End Sub

'Add whatever operations and/or properties you need

End Class

~Naomi Elfreesonakol

Oct 26, 2015, 8:55 AM

6 Posts

Thanks for help

Yes the 64K would be and issue Tinus , your right.

Jochen I am really trying to avoid writing a get and set for every property. I just want to create a Load function that will load all properties in one fell swoop. So if I cant get access to the property name then I think I will have to go a different route. Thanks for the suggestions

~Fritz Ekfoobergflar

Oct 26, 2015, 11:31 AM

202 Posts

I think the 64k limit for a string only applies to string fields

not to strings within Lotusscript.

~Fred Asatumiburynds

Oct 26, 2015, 2:31 PM

107 Posts

depends

LotusScript String literals are limited to 32k bytes (16,267 chars).
LotusScript Strings in variants are limited to 64k bytes.

~Fritz Ekfoobergflar

Oct 27, 2015, 1:43 AM

202 Posts

Yep, but some can be 2G

Item	Maximum
Number of strings	Limited by available memory.
Total string storage	Limited by available memory.
Length of a string literal	16,267 characters (32,000 bytes).
Length of a string value	2G bytes
Total string literal storage in a module	2G bytes

Note Even though strings in LotusScript 4 can be longer than 64K, there are still restrictions with the length of the string you can read or write using the GET and PUT statements. The only combination of filetypes that will work with long strings is with a binary file and a variable-length string. Fixed-length strings, strings in variants, and random files will not work with strings greater than 64K in length because they have a two-byte header which contains the length of the string. Two bytes cannot represent more than 64K.

~Fred Asatumiburynds

Oct 26, 2015, 2:44 PM

107 Posts

For the records

My approach requires only a single getter/setter pair, which take the property name as a parameter.
Anyway, I'm not sure I understand what exactly you are intending to do.