Examples of com.sun.sgs.test.util.DummyTransaction

com.sun.sgs.test.util.DummyTransaction
Provides a simple implementation of Transaction, for testing. If using this class with DummyTransactionProxy, make sure to call DummyTransactionProxy.setCurrentTransaction with the DummyTransaction, so that the proxy's transaction is cleared when the transaction is terminated.


    /** Make sure that commits don't timeout. */
    @Test
    public void testCommitNoTimeout() throws Exception {
  txn.commit();
  txn = new DummyTransaction(UsePrepareAndCommit.NO, 1000) {
      public void join(final TransactionParticipant participant) {
    super.join(new TransactionParticipant() {
        public boolean prepare(Transaction txn) throws Exception {
      return participant.prepare(txn);
        }

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      flag.acquire();
      final int finalI = i;
      class MyRunnable implements Runnable {
    Exception exception2;
    public void run() {
        DummyTransaction txn2 = null;
        try {
      txn2 = createTransaction(
          UsePrepareAndCommit.ARBITRARY, 1000);
      store.getObject(txn2, id2, false);
      flag.release();
      store.getObject(txn2, id, true);
      System.err.println(finalI + " txn2: commit");
      txn2.commit();
        } catch (TransactionAbortedException e) {
      System.err.println(finalI + " txn2: " + e);
      exception2 = e;
        } catch (Exception e) {
      System.err.println(finalI + " txn2: " + e);
      exception2 = e;
      if (txn2 != null) {
          txn2.abort(new RuntimeException("abort"));
      }
        }
    }
      }
      MyRunnable myRunnable = new MyRunnable();

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    /** Tests running the action in the wrong transaction. */
    void testWrongTxn(Action action) throws Exception {
  action.setUp();
  store.createObject(txn);
  DummyTransaction originalTxn = txn;
  txn = createTransaction(UsePrepareAndCommit.ARBITRARY);
  try {
      action.run();
      fail("Expected IllegalStateException");
  } catch (IllegalStateException e) {
      System.err.println(e);
  } finally {
      originalTxn.abort(new RuntimeException("abort"));
  }
    }

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    }


    /** Tests running the action in a new transaction while shutting down. */
    void testShuttingDownNewTxn(final Action action) throws Exception {
  action.setUp();
  DummyTransaction originalTxn = txn;
  ShutdownAction shutdownAction = new ShutdownAction();
  shutdownAction.assertBlocked();
  final AtomicReference<Throwable> exceptionHolder =
      new AtomicReference<Throwable>();
  Thread t = new Thread() {
      public void run() {
    txn = createTransaction(UsePrepareAndCommit.ARBITRARY);
    try {
        action.run();
    } catch (Throwable t) {
        exceptionHolder.set(t);
    }
    txn.abort(new RuntimeException("abort"));
    txn = null;
      }
  };
  t.start();
  t.join(1000);
  Throwable exception = exceptionHolder.get();
  assertTrue("Expected IllegalStateException: " + exception,
       exception instanceof IllegalStateException);
  originalTxn.abort(new RuntimeException("abort"));
  assertTrue(shutdownAction.waitForDone());
  store = null;
    }

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  }
    }


    /** Creates a transaction. */
    protected DummyTransaction createTransaction() {
  return initTransaction(new DummyTransaction());
    }

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    /** Creates a transaction with explicit use of prepareAndCommit. */
    protected DummyTransaction createTransaction(
  UsePrepareAndCommit usePrepareAndCommit)
    {
  return initTransaction(new DummyTransaction(usePrepareAndCommit));
    }

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     */
    protected DummyTransaction createTransaction(
  UsePrepareAndCommit usePrepareAndCommit, long timeout)
    {
  return initTransaction(
      new DummyTransaction(usePrepareAndCommit, timeout));
    }

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  flag.acquire();
  flag2.acquire();
  class MyRunnable implements Runnable {
      Exception exception2;
      public void run() {
    DummyTransaction txn2 = null;
    try {
        txn2 = createTransaction(
      UsePrepareAndCommit.ARBITRARY, 20000);
        /* Get write lock on name-299 and notify txn */
        store.setBinding(txn2, "name-299", id2);
        flag.release();
        /* Wait for txn, then commit */
        flag2.tryAcquire(10000, TimeUnit.MILLISECONDS);
        txn2.commit();
    } catch (TransactionAbortedException e) {
        System.err.println("txn2: " + e);
        exception2 = e;
    } catch (Exception e) {
        System.err.println("txn2: " + e);
        if (txn2 != null) {
      txn2.abort(new RuntimeException("abort txn2"));
        }
    }
      }

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      flag.acquire();
      final int finalI = i;
      class MyRunnable implements Runnable {
    Exception exception2;
    public void run() {
        DummyTransaction txn2 = null;
        try {
      txn2 = createTransaction(
          UsePrepareAndCommit.ARBITRARY, 1000);
      store.getObject(txn2, id2, false);
      flag.release();
      store.getObject(txn2, id, true);
      System.err.println(finalI + " txn2: commit");
      txn2.commit();
        } catch (TransactionAbortedException e) {
      System.err.println(finalI + " txn2: " + e);
      exception2 = e;
        } catch (Exception e) {
      System.err.println(finalI + " txn2: " + e);
      exception2 = e;
      if (txn2 != null) {
          txn2.abort(new RuntimeException("abort"));
      }
        }
    }

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