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How to create more than one instance in sirius through design [message #1808892]

Thu, 04 July 2019 05:07

Sharmila D

Messages: 81
Registered: June 2018

Member

Hii

I want to create instances based on input from user. for examples If user give value 2 then he need to create 2 instances of same type.

can we do this thing in design using for loop

I will provide a screen shot where in design I have used 'for loop' for creating instances but it is not creating.
My Problem:
At the time of dragging and dropping an element from palette to editor. Iam writing service method where it will ask user to enter the no.of instances to be created, In service method Iam getting only parent container not actual object which needs to be created. Please give some suggestions.

Attachment: No.ofInstances.PNG
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Re: How to create more than one instance in sirius through design [message #1808972 is a reply to message #1808892]

Fri, 05 July 2019 10:14

Pierre Guilet

Messages: 250
Registered: June 2017

Senior Member

Hi,

It is up to you to create the instances in your services if you ask here the user the number.

Another solution for me is to use in your creation tool a wizard operation where you put a textfield from which you retrieve the number of instance. You put the result in a variable with the let operation.
Then in the begin operation of the wizard you set a loop based on the variable you set previously.
And add a create instance inside.

You should be good.

Regards

Pierre Guilet - Obeo
Need training or professional services for Sirius?
http://www.obeodesigner.com/sirius

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Re: How to create more than one instance in sirius through design [message #1808987 is a reply to message #1808892]

Fri, 05 July 2019 13:26

Sharmila D

Messages: 81
Registered: June 2018

Member

Hi Pierre Guilet

Thank you for the reply. But I am still facing the issue Iam not getting how to use open wizard operation in design. I have searched for so many examples but still I didnt find how to use it.

I have tried using let operation after that for loop operation after that createContainer operation but still it is creating for once.

I will give you the screenshots of design.Please help me I am trying these from one week
In Services for public static int checkcopInstance() {

try {
int modulesTocreate = 0;
modulesTocreate = openCreateDialog(Integer.toString(5));

}
catch (Exception e) {
e.getStackTrace();
}
return modulesTocreate;

}

public static int openCreateDialog(String maxInstance) {
int instanceEntered = 0;
CustomDialog customdialog =
new CustomDialog(Display.getDefault().getActiveShell(), maxInstance);
customdialog.setSubmitButtonText("Create");
customdialog.setShellText("Multiple Instances");
customdialog.create();
customdialog.setTitle(" Create Module Instance(s)");
customdialog.setMessage("Enter the number of instances to be created", MessageDialog.CONFIRM);
if (customdialog.open() == Window.OK) {
instanceEntered = customdialog.getInstanceEntered();
}
return instanceEntered;
}

Iam returning the instances but still it is creating once.

Attachment: Containercreation1.PNG
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Attachment: containercreation2.PNG
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Re: How to create more than one instance in sirius through design [message #1809064 is a reply to message #1808987]

Mon, 08 July 2019 08:26

Pierre Guilet

Messages: 250
Registered: June 2017

Senior Member

Hi,

The loop operation need to return a list of object so it cannot work with a number.
But even with the right type , it does not work.
So you will have to create the two instance from a service yourself.

To do that you can use the let operation specifying the number then use a change context under where you call your instances creation service.

Regards,

Pierre Guilet - Obeo
Need training or professional services for Sirius?
http://www.obeodesigner.com/sirius

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Re: How to create more than one instance in sirius through design [message #1809112 is a reply to message #1809064]

Tue, 09 July 2019 09:57

Sharmila D

Messages: 81
Registered: June 2018

Member

Hi Pierre Guilet

Thank you for the reply.Then I need to create the number of instances through services only. I cannot use createInstance operation in design.
No other way to create the instances through design based on the number of instances returned.

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