Method to remove the next "count" samples which will be selected ordered by
ascending priority and ascending time stamp from the database and stored in
a given sample collection.
Method to remove the next "count" samples which will be selected ordered by
descending priority and ascending time stamps from the database and stored
in a given sample collection.
Method to remove the next "count" samples which will be selected ordered by
ascending time stamps from the database and stored in a given sample
collection.