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.

      public void abort(boolean retryable) { }
      public void commit() { }
        };
    }
      };
  DummyTransaction txn = new DummyTransaction(
      DummyTransaction.UsePrepareAndCommit.NO);
  txnProxy.setCurrentTransaction(txn);
  contextFactory.joinTransaction();
  txn.commit();
  txn = new DummyTransaction();
  txnProxy.setCurrentTransaction(txn);
  contextFactory.joinTransaction();
  txn.commit();
    }

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    /* -- Other methods and classes -- */


    /** Creates a transaction. */
    protected static DummyTransaction createTransaction() {
  DummyTransaction txn = new DummyTransaction(timeoutSuccess);
  txnProxy.setCurrentTransaction(txn);
  accessCoordinator.notifyNewTransaction(txn, 0, 1);
  return txn;
    }

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

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

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    @Test
    public void testReadIds() throws Exception {
  byte[] data = new byte[itemSize];
  data[0] = 1;
  store = getDataStore();
  DummyTransaction txn = createTransaction(1000);
  long[] ids = new long[items];
  for (int i = 0; i < items; i++) {
      ids[i] = store.createObject(txn);
      store.setObject(txn, ids[i], data);
  }
  txn.commit();
  for (int r = 0; r < repeat; r++) {
      long start = System.currentTimeMillis();
      for (int c = 0; c < count; c++) {
    txn = createTransaction(1000);
    for (int i = 0; i < items; i++) {
        store.getObject(txn, ids[i], false);
    }
    txn.commit();
      }
      long stop = System.currentTimeMillis();
      System.err.println(
    "Time: " + (stop - start) / (float) count +
    " ms per transaction");

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    @Test
    public void testReadIdsForUpdate() throws Exception {
  byte[] data = new byte[itemSize];
  data[0] = 1;
  store = getDataStore();
  DummyTransaction txn = createTransaction(1000);
  long[] ids = new long[items];
  for (int i = 0; i < items; i++) {
      ids[i] = store.createObject(txn);
      store.setObject(txn, ids[i], data);
  }
  txn.commit();
  for (int r = 0; r < repeat; r++) {
      long start = System.currentTimeMillis();
      for (int c = 0; c < count; c++) {
    txn = createTransaction(1000);
    for (int i = 0; i < items; i++) {
        store.getObject(txn, ids[i], true);
    }
    txn.commit();
      }
      long stop = System.currentTimeMillis();
      System.err.println(
    "Time: " + (stop - start) / (float) count +
    " ms per transaction");

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    @Test
    public void testMarkIdsForUpdate() throws Exception {
  byte[] data = new byte[itemSize];
  data[0] = 1;
  store = getDataStore();
  DummyTransaction txn = createTransaction(1000);
  long[] ids = new long[items];
  for (int i = 0; i < items; i++) {
      ids[i] = store.createObject(txn);
      store.setObject(txn, ids[i], data);
  }
  txn.commit();
  for (int r = 0; r < repeat; r++) {
      long start = System.currentTimeMillis();
      for (int c = 0; c < count; c++) {
    txn = createTransaction(1000);
    for (int i = 0; i < items; i++) {
        store.getObject(txn, ids[i], false);
        store.markForUpdate(txn, ids[i]);
    }
    txn.commit();
      }
      long stop = System.currentTimeMillis();
      System.err.println(
    "Time: " + (stop - start) / (float) count +
    " ms per transaction");

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  props.setProperty(
      JeEnvironment.FLUSH_TO_DISK_PROPERTY, String.valueOf(flush));
  byte[] data = new byte[itemSize];
  data[0] = 1;
  store = getDataStore();
  DummyTransaction txn = createTransaction(1000);
  long[] ids = new long[items];
  for (int i = 0; i < items; i++) {
      ids[i] = store.createObject(txn);
      store.setObject(txn, ids[i], data);
  }
  txn.commit();
  for (int r = 0; r < repeat; r++) {
      long start = System.currentTimeMillis();
      for (int c = 0; c < count; c++) {
    txn = createTransaction(1000);
    for (int i = 0; i < items; i++) {
        boolean update = i < modifyItems;
        byte[] result = store.getObject(txn, ids[i], update);
        if (update) {
      result[0] ^= 1;
      store.setObject(txn, ids[i], result);
        }
    }
    txn.commit();
      }
      long stop = System.currentTimeMillis();
      System.err.println(
    "Time: " + (stop - start) / (float) count +
    " ms per transaction");

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    }


    @Test
    public void testReadNames() throws Exception {
  store = getDataStore();
  DummyTransaction txn = createTransaction(1000);
  for (int i = 0; i < items; i++) {
      store.setBinding(txn, "name" + i, i);
  }
  txn.commit();
  for (int r = 0; r < repeat; r++) {
      long start = System.currentTimeMillis();
      for (int c = 0; c < count; c++) {
    txn = createTransaction(1000);
    for (int i = 0; i < items; i++) {
        store.getBinding(txn, "name" + i);
    }
    txn.commit();
      }
      long stop = System.currentTimeMillis();
      System.err.println(
    "Time: " + (stop - start) / (float) count +
    " ms per transaction");

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    }


    @Test
    public void testWriteNames() throws Exception {
  store = getDataStore();
  DummyTransaction txn = createTransaction(1000);
  for (int i = 0; i < items; i++) {
      store.setBinding(txn, "name" + i, i);
  }
  txn.commit();
  for (int r = 0; r < repeat; r++) {
      long start = System.currentTimeMillis();
      for (int c = 0; c < count; c++) {
    txn = createTransaction(1000);
    for (int i = 0; i < items; i++) {
        boolean update = i < modifyItems;
        long result = store.getBinding(txn, "name" + i);
        if (update) {
      store.setBinding(txn, "name" + i, result + 1);
        }
    }
    txn.commit();
      }
      long stop = System.currentTimeMillis();
      System.err.println(
    "Time: " + (stop - start) / (float) count +
    " ms per transaction");

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