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Tutorial on using Closures

This tutorial will guide you through writing Groovy scripts using Closures.

On this page:

Looping over a collection to find values that satisfy a condition

This section of the tutorial guides you through writing a Closure to count the options of a multi-valued field that satisfy a condition. Imagine a functional use case where you want to display the number of released versions for a project.

Writing the script

Step 1 - Navigate to the condition

  1. Go to the Administration icon  and click on it.
  2. Locate Add-ons from the menu and click on it.
  3. Locate JIRA MISC WORKFLOW EXTENSIONS on the left panel.
  4. Click on Groovy script tester.

Step 2 - Write the script in the editor

  1. Write the following script in the editor.

    issue.getAvailableOptions("versions").findAll{
      it.isReleased()
    }.size()

Step 3 - Test your script

  1. Click on Test Groovy Script.
  2. Input the issue key GIJ-1
  3. Click on Test
  4. The following result will be displayed.


Looping over a collection to find whether a particular option is selected or not

This section of the tutorial guides you through writing a Closure to find whether a particular check box of a check box type field is selected or not. Imagine a functional use case where you want check whether Printing has been scheduled in the tasks.

Writing the script

Step 1 - Navigate to the condition

  1. Go to the Administration icon  and click on it.
  2. Locate Add-ons from the menu and click on it.
  3. Locate JIRA MISC WORKFLOW EXTENSIONS on the left panel.
  4. Click on Groovy script tester.

Step 2 - Write the script in the editor

  1. Write the following script inGroovy script.

    issue.get("Scheduled tasks").any{
      it.value == "Printing"
    }

Step 3 - Test your script

  1. Click on Test Groovy Script.
  2. Input the issue key GIJ-1
  3. Click on Test
  4. The following result will be displayed.

Next >> Perform an action based on the value of a field