Examples with TestData org.jpwh.shared.util.TestData used on opensource projects

Example 26 with TestData

use of org.jpwh.shared.util.TestData in project microservices by pwillhan.

the class SecondLevel method storeTestData.

public CacheTestData storeTestData() throws Exception {
    UserTransaction tx = TM.getUserTransaction();
    tx.begin();
    EntityManager em = JPA.createEntityManager();
    Long[] itemIds = new Long[3];
    Long[] userIds = new Long[3];
    User johndoe = new User("johndoe");
    em.persist(johndoe);
    userIds[0] = johndoe.getId();
    User janeroe = new User("janeroe");
    em.persist(janeroe);
    userIds[1] = janeroe.getId();
    User robertdoe = new User("robertdoe");
    em.persist(robertdoe);
    userIds[2] = robertdoe.getId();
    Item item = new Item("Item One", CalendarUtil.TOMORROW.getTime(), johndoe);
    em.persist(item);
    itemIds[0] = item.getId();
    for (int i = 1; i <= 3; i++) {
        Bid bid = new Bid(item, robertdoe, new BigDecimal(9 + i));
        item.getBids().add(bid);
        em.persist(bid);
    }
    item = new Item("Item Two", CalendarUtil.TOMORROW.getTime(), johndoe);
    em.persist(item);
    itemIds[1] = item.getId();
    for (int i = 1; i <= 1; i++) {
        Bid bid = new Bid(item, janeroe, new BigDecimal(2 + i));
        item.getBids().add(bid);
        em.persist(bid);
    }
    item = new Item("Item_Three", CalendarUtil.AFTER_TOMORROW.getTime(), janeroe);
    em.persist(item);
    itemIds[2] = item.getId();
    for (int i = 1; i <= 1; i++) {
        Bid bid = new Bid(item, johndoe, new BigDecimal(3 + i));
        item.getBids().add(bid);
        em.persist(bid);
    }
    tx.commit();
    em.close();
    // Warm up the cache properly
    tx.begin();
    em = JPA.createEntityManager();
    // We load all the User instances into the second-level cache
    // here because NONSTRICT_READ_WRITE strategy doesn't insert
    // them into the second-level cache when persist() is called,
    // only when they are loaded from the database. And we need
    // to do this in a new transaction, or TwoPhaseLoad doesn't
    // put it in the cache.
    em.createQuery("select u from User u").getResultList();
    // collection is loaded.
    for (Long itemId : itemIds) {
        em.find(Item.class, itemId).getBids().size();
    }
    tx.commit();
    em.close();
    JPA.getEntityManagerFactory().unwrap(SessionFactory.class).getStatistics().clear();
    CacheTestData testData = new CacheTestData();
    testData.items = new TestData(itemIds);
    testData.users = new TestData(userIds);
    return testData;
}