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Find property value over a set [message #1827054] Wed, 06 May 2020 12:56 Go to next message
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[Updated on: Wed, 24 June 2020 11:47] by Moderator

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Re: Find property value over a set [message #1827057 is a reply to message #1827054] Wed, 06 May 2020 13:29 Go to previous messageGo to next message
Ed Willink is currently offline Ed WillinkFriend
Messages: 6795
Registered: July 2009
Senior Member
Hi

Your problem is far from clear but "only once" usually has two approaches

a) use a Set so that there is only one element from which to do something once

b) use a helper with at least one Class-typed argument so that the multiple invocations of the helper retuirn the same value.

Regards

Ed Willink
Re: Find property value over a set [message #1827060 is a reply to message #1827057] Wed, 06 May 2020 13:56 Go to previous messageGo to next message
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Hello Ed,

Thank you for your quick reply.

Sorry if it was not clear.
What I try to do is to find is it exist in my set of Foobar, one instance who has the property type equal to 'foo'. And the same in the case of 'bar'.
I am speaking about only once, meaning that even if I have several instance that has the value 'foo', I want to generate the text 'This is foo.' once and not as much as instances with this value (as in my 'solution').
Re: Find property value over a set [message #1827070 is a reply to message #1827060] Wed, 06 May 2020 15:15 Go to previous message
Ed Willink is currently offline Ed WillinkFriend
Messages: 6795
Registered: July 2009
Senior Member
Hi

I suggest you read up on OCL and collections/iterations.

Regards

Ed Willink
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