/**
* This method persists an existing Task instance
*
* @param task
*/
public void update(Task task) {
cache.replace(task.getId(), task);
}
/**
* This method deletes an Task from the persistence store
*
* @param task
*/
public void delete(Task task) {
// Note object may be detached so we need to tell it to remove based on reference
cache.remove(task.getId());
}
/**
* This method persists a new Task instance
*
* <p>NOTE: We use System.nanoTime() to create unique ids for the tasks, but please be aware that
* using System.nanoTime() is not recommended and it does NOT guarantee unique id's. Why we use it
* here is because we have a very simplified domain model and normally we would probably connect
* tasks to a User object in which case generatign unique id's us much better.
*
* @param task
*/
public void insert(Task task) {
if (task.getCreatedOn() == null) task.setCreatedOn(new Date());
task.setId(new Long(System.nanoTime())); // Not recommended!!!!
cache.put(task.getId(), task);
}