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Problems with Restore [message #47868]

Wed, 08 March 2006 11:07

vcarlos
Messages: 21
Registered: February 2006

Junior Member

Hi all,

I am writing a class that I want add save and restore features to it.

My class is defined something like this:

<code>
pro OperatorLanguageMapping__define;

objectClass = $
{OperatorLanguageMapping, $
password : '', $ ; holds the password
name : '', $ ; holds the operator name
language : '' $; holds the language
}

end

OperatorLanguageMapping::Restore, fileName

restore, fileName, RESTORED_OBJECTS = temp
self.name = temp->GetName()
self.language = temp->GetLanguage()
self.password = temp->GetPassword()

end

OperatorLanguageMapping::Save, fileName

save, self, fileName

end
</code>

Obviously, the class has its getter and setter methods.

The problem is that when I do this:

<code>
o1 = obj_new("OperatorLanguageMapping")
o1->SetPassword, '123456'
o1->Save, '~/o1.sav'

o1->SetPassword, 'test'

o1->Restore, '~/o1.sav'
print, o1->GetPassword
</code>

What I got is: 'test' instead of '123456'

I tried to debug the software changing the method restore to look like
this:

<code>
OperatorLanguageMapping::Restore, fileName

restore, fileName, RESTORED_OBJECTS = temp
self.password = 'password'
print, self->GetPassword()

end
</code>

By now what I got is :

password
test

That is, after exiting the restore method of the object, the changes I
have made inside are not available outside the method(!!).

I keep trying to find out what was happening, and when I comment out
the line that call the restore procedure inside the Restore method of
the Class OperatorLanguageMapping, then, what I got was:

password
password

That is, changing the attribute inside the method restore worked.

I don't know if I was clear, my english is not that good and the
problem is not easy to explain too...

Does anyone have an idea of what could be wrong?

I have also tried to use IDL_SaveFile object, but the result was the
same...

Thanks all

Vinicius

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[Message index]

		Problems with Restore By: vcarlos on Wed, 08 March 2006 11:07
		Re: Problems with Restore By: btt on Thu, 09 March 2006 07:36
		Re: Problems with Restore By: Antonio Santiago on Thu, 09 March 2006 04:38
		Re: Problems with Restore By: vcarlos on Thu, 09 March 2006 04:16
		Re: Problems with Restore By: Antonio Santiago on Thu, 09 March 2006 01:11
		Re: Problems with Restore By: Antonio Santiago on Thu, 09 March 2006 01:05
		Re: Problems with Restore By: Antonio Santiago on Thu, 09 March 2006 01:02

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