item1.addItemProperty(PROPERTY_2_ID, new ObjectProperty<String>(
"name 1", String.class));
items.put(ITEM_1_ID, item1);
final PropertysetItem item2 = new PropertysetItem();
item2.addItemProperty(PROPERTY_1_ID, new ObjectProperty<String>(
"value 2", String.class));
item2.addItemProperty(PROPERTY_2_ID, new ObjectProperty<String>(
"name 2", String.class));
items.put(ITEM_2_ID, item2);
}