Package jodd.jtx

Examples of jodd.jtx.JtxTransactionManager


  }

  @Test
  public void testSessionProvider() {
    // prepare
    JtxTransactionManager jtxManager = new DbJtxTransactionManager(cp);
    DbJtxSessionProvider sessionProvider = new DbJtxSessionProvider(jtxManager);
    DbManager.getInstance().setSessionProvider(sessionProvider);

    for (int i = 0; i < 2; i++) {

      // start, 0 transactions, no session
      assertEquals(0, jtxManager.totalTransactions());

      // start transaction
      jtxManager.requestTransaction(new JtxTransactionMode());

      // get session from provider!
      DbSession dbSession = sessionProvider.getDbSession();
      assertNotNull(dbSession);

      // transaction started, but connection not yet fetched as it is not used yet
      assertEquals(1, jtxManager.totalTransactions());
      assertEquals(0, cp.getConnectionsCount().getBusyCount());

      // same session as it is the same transaction
      DbSession dbSession2 = sessionProvider.getDbSession();
      assertNotNull(dbSession2);
      assertSame(dbSession, dbSession2);

      // create query, session is get from provider, the very same one
      DbQuery dbQuery = new DbQuery("SELECT 173 FROM (VALUES(0))");
      long value = dbQuery.executeCount();
      assertEquals(173, value);
      assertSame(dbSession, dbQuery.getSession());

      // transaction still active, connection still in use
      assertEquals(1, jtxManager.totalTransactions());
      assertEquals(1, cp.getConnectionsCount().getBusyCount());

      // close query
      dbQuery.close();

      // transaction still active, connection still in use (!)
      // since session is still active
      assertEquals(1, jtxManager.totalTransactions());
      assertEquals(1, cp.getConnectionsCount().getBusyCount());
      assertTrue(!dbQuery.getSession().isSessionClosed());

      // commit transaction...
      jtxManager.getTransaction().commit();

      // no transaction
      assertEquals(0, jtxManager.totalTransactions());
      // session is closed
      assertTrue(dbSession.isSessionClosed());
      // connection is returned
      assertEquals(0, cp.getConnectionsCount().getBusyCount());
    }
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   * Tests if rollback works.
   */
  @Test
  public void testRollback() throws SQLException {
    // prepare manager
    JtxTransactionManager manager = new JtxTransactionManager();
    manager.registerResourceManager(new DbJtxResourceManager(cp));

    // request transaction
    JtxTransaction tx = manager.requestTransaction(new JtxTransactionMode().propagationRequired().readOnly(false));
    DbSession session = tx.requestResource(DbSession.class);
    assertNotNull(session);

    // insert two records
    DbQuery query = new DbQuery(session, "insert into GIRL values(4, 'Jeniffer', 'fighting')");
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  }

  // ---------------------------------------------------------------- test time
  @Test
  public void testTime() {
    JtxTransactionManager manager = new JtxTransactionManager();
    manager.registerResourceManager(new DbJtxResourceManager(cp));

    JtxTransaction tx1 = manager.requestTransaction(new JtxTransactionMode().propagationRequired().transactionTimeout(1));
    DbSession session1 = tx1.requestResource(DbSession.class);
    assertNotNull(session1);
    executeCount(session1, "select count(*) from GIRL");

    ThreadUtil.sleep(2000);
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  // ---------------------------------------------------------------- thread
  @Test
  public void testThread() {
    final JtxTransactionManager manager = new JtxTransactionManager();
    manager.registerResourceManager(new DbJtxResourceManager(cp));
    final int[] count = new int[1];

    new Thread() {
      @Override
      public void run() {
        JtxTransaction tx = manager.requestTransaction(new JtxTransactionMode().propagationRequired().transactionTimeout(1));
        count[0]++;
        assertEquals(count[0], manager.totalTransactions());
        assertEquals(1, manager.totalTransactions());
        assertEquals(1, manager.totalThreadTransactions());
        ThreadUtil.sleep(1000);
        tx.commit();
        count[0]--;
      }
    }.start();
    ThreadUtil.sleep(500);
    new Thread() {
      @Override
      public void run() {
        JtxTransaction tx = manager.requestTransaction(new JtxTransactionMode().propagationRequired().transactionTimeout(1));
        count[0]++;
        assertEquals(count[0], manager.totalTransactions());
        assertEquals(2, manager.totalTransactions());
        assertEquals(1, manager.totalThreadTransactions());
        ThreadUtil.sleep(1000);
        tx.commit();
        count[0]--;
      }
    }.start();
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  // ---------------------------------------------------------------- notx
  @Test
  public void testNoTx() {

    final JtxTransactionManager manager = new JtxTransactionManager();
    manager.registerResourceManager(new DbJtxResourceManager(cp));

    JtxTransaction tx = manager.requestTransaction(new JtxTransactionMode().propagationSupports());
    assertTrue(tx.isNoTransaction());

    try {
      tx.commit();
    } catch (Exception ignore) {
      fail();
    }

    assertTrue(tx.isCommitted());

    try {
      tx.rollback();
      fail("exception is already committed!");
    } catch (Exception ignore) {
    }

    tx = manager.requestTransaction(new JtxTransactionMode().propagationSupports());

    try {
      tx.rollback();
    } catch (Exception ex) {
      fail(ex.toString());
    }

    tx = manager.requestTransaction(new JtxTransactionMode().propagationSupports());

    try {
      tx.setRollbackOnly();
    } catch (Exception ex) {
      fail(ex.toString());
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