Package co.cask.tephra

Examples of co.cask.tephra.TransactionManager.startAndWait()

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    TransactionStateStorage storage3 = null;
    try {
      storage = getStorage(conf);
      TransactionManager txManager = new TransactionManager
        (conf, storage, new TxMetricsCollector());
      txManager.startAndWait();

      // TODO: replace with new persistence tests
      final byte[] a = { 'a' };
      final byte[] b = { 'b' };
      // start a tx1, add a change A and commit
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      Thread.sleep(100);
      // starts a new tx manager
      storage2 = getStorage(conf);
      txManager = new TransactionManager(conf, storage2, new TxMetricsCollector());
      txManager.startAndWait();

      // check that the reloaded state matches the old
      TransactionSnapshot newState = txManager.getCurrentState();
      LOG.info("New state: " + newState);
      assertEquals(origState, newState);
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      Thread.sleep(100);
      // simulate crash by starting a new tx manager without a stopAndWait
      storage3 = getStorage(conf);
      txManager = new TransactionManager(conf, storage3, new TxMetricsCollector());
      txManager.startAndWait();

      // verify state again matches (this time should include WAL replay)
      newState = txManager.getCurrentState();
      assertEquals(origState, newState);
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    TransactionStateStorage storage2 = null;
    try {
      storage1 = getStorage(conf);
      TransactionManager txManager = new TransactionManager
        (conf, storage1, new TxMetricsCollector());
      txManager.startAndWait();

      // TODO: replace with new persistence tests
      final byte[] a = { 'a' };
      final byte[] b = { 'b' };
      // start a tx1, add a change A and commit
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      LOG.info("Orig state: " + origState);

      // simulate a failure by starting a new tx manager without stopping first
      storage2 = getStorage(conf);
      txManager = new TransactionManager(conf, storage2, new TxMetricsCollector());
      txManager.startAndWait();

      // check that the reloaded state matches the old
      TransactionSnapshot newState = txManager.getCurrentState();
      LOG.info("New state: " + newState);
      assertEquals(origState, newState);
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