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Introduction to Groovy
Groovy is
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an object-oriented programming language for the Java platform. It is
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a dynamic language with features similar to those
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of Python,
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Ruby,
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Perl,
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and Smalltalk. It can be used as
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a scripting language for the Java Platform. It is easy to learn, has smooth Java integration, vibrant and rich ecosystem and powerful features. To know more about Groovy, see
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the official Groovy Documentation.
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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
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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.
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post-function to execute a Groovy script against an issue
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Condition to execute a condition
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Validator to execute a validator
Comment issue and Comment linked issues post-functions to create the body of the comment by
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selecting Groovy expression as the Comment type
Create/Clone issue post-function to
Calculate a
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project by selecting Calculated in Project
Calculate a parent issue
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key by selecting Calculated in Parent issue
Set fields of new issue by
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selecting Groovy expression as the Value type and
Add a comment to the current issue by
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selecting Groovy expression as the Comment type
Multiple iterator section of the Create/Clone issue post-function
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and Set field value of linked issues post-functions to set a field value by
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selecting Groovy expression as the Value type
Email issue post-function to
Write
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the Subject, HTML body, Text body
Set
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the Recipients from the script
Unlink issues from the current issue post-function to unlink issues based on the result of a Groovy condition
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to test/run Groovy scripts
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- Comment issue and Comment linked issues post-function to create the body of the comment by selecting Groovy template as the Comment type
- Create/Clone issue post-function to:
- Set fields of new issue by selecting Groovy template as the Value type and
- Add a comment to the current issue by selecting Groovy template as the Comment type
- Set field value to a constant or Groovy expression and Set field value of linked issues post-functions to set a field value in the by selecting Groovy template as the Value type
- Email issue post-function to write the Subject, HTML body and Text body
- Link issues to the current issue post-function to write JQL search expression
Building Groovy script
You can start writing groovy scripts by going through the below references:
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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.
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Groovy expression - This document explains you the variables available for your Groovy scripts and how to create new variables in your Groovy scripts.
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API Interfaces - The document details the
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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.