Supplier conglomerate = createSupplier("Conglomerate", "Switzerland", 10000000L, false);
em.persist(hw);
em.persist(talentSupply);
em.persist(conglomerate);
Item widgets = createItem("Widgets", ItemType.SMALL, 5, 10);
Item wudgets = createItem("Wudgets", ItemType.SMALL, 2, 3);
Item talent = createItem("Talent", ItemType.OTHER, 6, 1000);
Item lawnmowers = createItem("Lawnmowers", ItemType.BIG, 100, 102);
Item screws = createItem("Screws", ItemType.SMALL, 1, 2);
widgets.setSuppliers(Arrays.asList(hw, conglomerate));
wudgets.setSuppliers(Arrays.asList(hw));
talent.setSuppliers(Arrays.asList(talentSupply));
lawnmowers.setSuppliers(Arrays.asList(conglomerate));
screws.setSuppliers(Arrays.asList(hw));
em.persist(widgets);
em.persist(wudgets);
em.persist(talent);
em.persist(lawnmowers);
em.persist(screws);