Labels are not being read by the token only when array content is one

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sanaz karamimoghaddam asked Oct 30, '16 sanaz karamimoghaddam commented Nov 2, '16

Labels are not being read by the token only when array content is one

Hi all!

I have a pull from item list activity on the process flow that pulls information from different partitions on a list. I assign a label to the token that stores the information of the items that are being pulled on it. (Assign to: Label items) Sometimes there is only one item being pulled, and sometimes there are more. in the latter case, the information are stored in an array, which I am reading from later in the process flow. When ever the items that are being pulled are more than one (array content >1) there is no problem and the information can be read by the other labels. but whenever array content is 1, labels cannot read that information. I even separated the labels for condition 1 (array content ==1), which doesn't use command value from label array and directly reads from getlabel(token,""). and condition 2 is when content is more that 1, and I use read label array and then read other labels from the value I get from this label. But it did not work either.

Software Version:

FlexSim 16.2.1

pull from list label array

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Matthew Gillespie ♦♦ commented · Oct 31, 2016 at 03:26 PM

Could you attach your model?

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sanaz karamimoghaddam Matthew Gillespie ♦♦ commented · Nov 02, 2016 at 02:21 AM

@Matthew Gillespie

I simplified my model to send, I have to send it as a private question though.

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Answer 1 · 2016-10-31T19:07:01Z

Matt Long answered Oct 31, '16 Matt Long commented Nov 2, '16

Without seeing your model is hard to tell exactly what's going on, but here are some tidbits of information:

arraysize(): Be aware that if the quantity pulled was only 1 and you call arraysize() on that label, the return value will be 0.

Array Size: There are pick options within the activities that will give you the array size and will return 1 if the label is NOT an array.

Value from Label Array: If you're using the pick option Value From Label Array and the quantity is 1, the index value is ignored and the value of the label is returned.

getlabel(): If you use the getlabel() command on a label that may be referencing one treenode or an array of treenodes, the return value will be dependent upon what you're setting it to. For example:

treenode temp = getlabel(token, "items");

temp will be the first element in the array if items is an array, or it will be the value of items if it is a reference to another treenode.

treenodearray temp = getlabel(token, "items");

If the label items is storing a treenodearray, then you get back the treenodearray. If it's storing a single treenode, then a treenodearray of size 1 will be created and returned.

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sanaz karamimoghaddam commented · Nov 02, 2016 at 02:20 AM

, @Matt Long Thanks for your response. I am not using Array Size, I am using Value from list picklist option. according to what you mentioned, it should ignore the index value and return the label value. Which in my case, the information is not being passed when that's the case.

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