$2$

Your application allows you to manage Task and Project entities.

You have to add missing annotations and code over entity classes and converters to make it possible to store Task and Project and their relations in specified tables.

Requirements

Project $.$ updates should be persisted in a table with the following structure:

Table name: PROJECT$\_$EVENT$\_$UPDATES ;

Columns:

PROJECT$\_$ID : foreign key;

USER$\_$NAME : value of ItemUpdate.user ;

EVENT$\_$DATE : value of ItemUpdate.date $.$

Task. watchers should be persisted in a table with the following structure:

Table name: TODO$\_$WATCHERS ;

Columns:

TODO$\_$ID : foreign key;

LOGIN : value of string from the Set $.$