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Introduction to Groovy

Learning Groovy

To learn more about the Groovy language:

• Start with our Groovy tutorial: Groovy tutorial

• Introduction to Groovy: See Learn Groovy in Y minutes and Learn Groovy in one Video

• Tutorials - many tutorials are available online, such as TutorialsPoint, Groovy with SmartThings and The Groovy 2 Tutorial

• References - See The Apache Groovy programming language and The Complete Apache Groovy Developer Course

Groovy in JMWE

Groovy in JMWE can be used either to write a Groovy expression or a Groovy template in the workflow extension configuration. 

Groovy expression results in JMWE are used in:

• All post-functions with the Conditional execution section to execute a post-function conditionally

• Target issues section of all post-functions that operate on related issues when Issues returned by a Groovy script or Issues returned by JQL search is selected under Which Issues field.

• Scripted (Groovy) operation on issue post-function to execute a Groovy script against an issue

• Scripted (Groovy) Condition to execute a condition

• Scripted (Groovy) Validator to execute a validator

• Comment issue and Comment linked issues post-functions to create the body of the comment by

• selecting Groovy expression as the Comment type

• Create/Clone issue post-function to

  • Calculate a project by

• • selecting Calculated in Project

  • Calculate a parent issue key by

• • selecting Calculated in Parent issue

  • Set fields of new issue by

• • selecting Groovy expression as the Value type and 

  • Add a comment to the current issue by

• • selecting Groovy expression as the Comment type

  • Multiple iterator section of the Create/Clone issue post-function

• Set field value and Set field value of linked issues post-functions to set a field value by

• selecting Groovy expression as the Value type

• Email issue post-function to

  • Write

• • the Subject, HTML body, Text body

  • Set

• • the Recipients from the script

• Unlink issues from the current issue post-function to unlink issues based on the result of a Groovy condition

• Admin screen to test/run Groovy scripts

• Shared Groovy Scripts under JMWE administration

Writing Groovy scripts in JMWE

To learn how to write groovy scripts for JMWE, see:

• Groovy editor - This document explains you the Groovy editor in JMWE where you can write your Groovy script or Groovy template.

• Variables and functions used in a Groovy expression - This document explains you the variables available for your Groovy scripts and how to create new variables in your Groovy scripts.

• API Interfaces - The document details the API interfaces

• Accessing the fields of an issue - This document explains you on how to access the fields of an issue.

• Expected value for each field type when the value type is a Groovy expression - This document lists the expected values for each field type of your issue.

• Groovy templates - This document explains you on how to write Groovy templates in the Groovy editor

• Groovy script tester - This document explains the Groovy script tester which helps you test your written script or template and debug it.