Recover fields value from an entry of the list

Question

question

Alessio Merlo asked Oct 26 2016 at 4:44 PM Alessio Merlo commented Mar 06 2017 at 4:42 PM

Recover fields value from an entry of the list

Hi,

today I inserted a fixed arguments in the fields of a list with the command listpush("mylist",id,0,argument1,...), but I am not able to retrieve the value when I pull the entry from the list because the listpull command returns only the value of the entry and from the value I can't recover the value of the field.

I attached a model which reproduces my problem.

Can someone help me?

pullfromlist.fsm

Software Version:

FlexSim 16.2.1

list pull from list retrieve fields from list

pullfromlist.fsm (18.0 KiB)

· 2

Joerg Vogel commented · Oct 26 2016 at 8:55 PM

Maybe you query before the pull from list activity and evaluate the entries of the instance to assign them to label values.

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Alessio Merlo Joerg Vogel commented · Nov 04 2016 at 11:13 AM

I discovered that entire entry of the list can be pulled by command "listpull" with the flag LIST_PULL_ENTRY_NODES, but from the return value I am able to get only the push time value. How can I get the static field of the entry? I tried the command getstdvalue(entry,"staticFields"), but I failed. Any ideas? @Matt Long

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Answer 1 · 2016-11-07T15:52:23Z

Matt Long answered Nov 07 2016 at 3:52 PM Alessio Merlo commented Mar 06 2017 at 4:42 PM

There currently isn't a way to do this. It's on our radar for integrating this functionality using the SELECT statement, but nothing yet. The work around would be to push a token or other node to the list and store that field value on the token/node.

· 3

Alessio Merlo commented · Mar 06 2017 at 2:59 PM

Hi @Matt Long,

have you done some integration about this topic? I'm using FlexSim 17.0.2, but I didn't note any difference. Do you confirm?

Moreover I'm using a C++ code and I discovered that staticFields is defined like "private" in the class Entry of the List then I can't access. Is there a different workaround with C++ code?

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anthony.johnson ♦♦ Alessio Merlo commented · Mar 06 2017 at 4:29 PM

Alessio,

We haven't added anything related to this yet. I tried an initial implementation, but there were unforeseen issues with it, so we took it out.

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Alessio Merlo anthony.johnson ♦♦ commented · Mar 06 2017 at 4:42 PM

Thanks!

I will wait...

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