em = getFactory().createEntityManager();
int nbr_of_reads = 100000;
start = System.nanoTime();
for ( int i = 0; i < nbr_of_reads; i++ ) {
int primaryKey = rand.nextInt( nbrOfBlogEntries - 1 ) + 1; // start from 1
BlogEntry blogEntry = em.find( BlogEntry.class, Long.valueOf( primaryKey ) );
assertThat( blogEntry.getContent() ).isNotEmpty();
assertThat( blogEntry.getId() ).isEqualTo( primaryKey );
assertThat( blogEntry.getAuthor() ).isNotNull();
assertThat( blogEntry.getAuthor().getFname() ).isNotEmpty();
assertThat( blogEntry.getBlog().getTitle() ).isNotEmpty();