Session: How to clear a session?
To clear session state, that is to stop tracking entities and remove all pending commands, etc. clear
method is used from advanced()
session operations.
Syntax
public void clear();
Example
Employee employee = new Employee();
employee.setFirstName("John");
employee.setLastName("Doe");
session.store(employee);
session.advanced().clear();
session.saveChanges(); // nothing will happen