/**
* Update an existed person.
*
* @param p The person to be updated.
*/
public void updatePerson(Person p) {
long personId = p.getId();
database.update(H.TABLE_PERSONS, personToValue(p), H.P_ID + " = " + personId, null);
}
/**
* Delete a Person in the database.
*
* @param p The person to be deleted
*/
public void deletePerson(Person p) {
long id = p.getId();
database.delete(H.TABLE_PERSONS, H.P_ID + " = " + id, null);
database.delete(H.TABLE_EVENTS, H.E_OWNER + " = " + id, null);
}