Jolie - Programming language

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Jolie, aka Java Orchestration Language Interpreter Engine, is a programming language created in 2006 by Claudio Guidi and Fabrizio Montesi.

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Jolie (Java Orchestration Language Interpreter Engine) is an open-source programming language for developing distributed applications based on microservices. In the programming paradigm proposed with Jolie, each program is a service that can communicate with other programs by sending and receiving messages over a network. Jolie supports an abstraction layer that allows services to communicate using different mediums, ranging from TCP/IP sockets to local in-memory communications between processes.Jolie is currently supported by an interpreter implemented in the Java language, which can be run in multiple operating systems including Linux-based operating systems, OS X, and Windows. Read more on Wikipedia...

Jolie website
Jolie Wikipedia page
There are at least 129 Jolie repos on GitHub
Jolie first developed in University of Bologna
file extensions for Jolie include ol and iol
Jolie on Twitter
The Google BigQuery Public Dataset GitHub snapshot shows 15 users using Jolie in 16 repos on GitHub
GitHub supports syntax highlighting for Jolie
jolie-lang.org was registered in 2008
See also: (6 related languages)Java, Linux, BPEL, XML, C, JavaScript

Example from Linguist:

include "common.iol"
include "ui/swing_ui.iol"
include "console.iol"

outputPort Exam {
Location: Location_Exam
Protocol: sodep
Interfaces: ExamInterface
}

main
{
	question.studentName = "John";
	question.examName = "SPLG";
	question.question = "Random question";
	makeQuestion@Exam( question )( answer );
	showYesNoQuestionDialog@SwingUI( "Do you want to accept answer " + answer + " ?" )( decision );

	message.studentName = "John";
	message.examName = "SPLG";
	if ( decision == 0 ) {
		pass@Exam( message )
	} else {
		fail@Exam( message )
	}
}