This is a Maven project.
To build install Maven, open a shell, navigate to the root of the project and run the following command:
mvn clean package shade:shade
To execute navigate to the target directory created by the build process and run the following command:
java -jar CollectionLoader.jar -?
Usage: java -jar CollectionLoader.jar [options]
-n Number of customers
-m Maximum number of orders per customer
-i Maximum number of items per order
-p Number of products
-s Maximum size of each order item history in bytes
-u MongoDB URI