Calculate and fetch a subset of values of a multi-valued field based on a condition

Abstract

This code snippet filters values from a collection of objects based on a condition.

Logic

Iterate over the collection of objects and filter values that meet the condition

Snippet

//Find the array of values that satisfy the condition and return it
return issue.get("<Multi-valued field name>").findAll{
  //Write the condition
	<Condition>
}

Placeholders

Placeholder	Description	Example

Placeholder	Description	Example
`<Multi-valued field name`>	Name of the multi-valued field	`watches`
`<Condition>`	Condition to meet for the value to be filtered	`it != issue.get("reporter")`

Examples

The output of this snippet is a subset of the existing values of a multi-valued field which you could use in a Groovy expression, to show a subset of the existing values of a multi-select custom field type that satisfy a condition. For example:

Show just the customers watching the issue in a user picker field. For this, you will need to create a Calculated Multi-user select custom field type and configure it with the following Groovy formula.
return issue.get("watches").findAll{ it.isInProjectRole("Service Desk Customers",issue.get("project") ) }
Display a custom text field with the text "Unreleased" if there is at least one Fix Version/s that is not released.
issue.fixVersions.any{!it.isReleased()}?"Unreleased":null