Package co.cask.tephra

Examples of co.cask.tephra.TransactionContext

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    throws Exception {
    @SuppressWarnings("unchecked")
    final T dataSet = (T) datasetFramework.getDataset(datasetInstanceName, new HashMap<String, String>(), null);
    try {
      TransactionAware txAwareDataset = (TransactionAware) dataSet;
      final TransactionContext txContext =
        new TransactionContext(txSystemClient, Lists.newArrayList(txAwareDataset));
      txContext.start();
      return new DataSetManager<T>() {
        @Override
        public T get() {
          return dataSet;
        }

        @Override
        public void flush() {
          try {
            txContext.finish();
            txContext.start();
          } catch (TransactionFailureException e) {
            throw Throwables.propagate(e);
          }
        }
      };
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  public <T> DataSetManager<T> getDataSet(String dataSetName) {
    @SuppressWarnings("unchecked")
    final T dataSet = (T) dataSetInstantiator.getDataSet(dataSetName);

    try {
      final TransactionContext txContext =
        new TransactionContext(txSystemClient, dataSetInstantiator.getTransactionAware());
      txContext.start();
      return new DataSetManager<T>() {
        @Override
        public T get() {
          return dataSet;
        }

        @Override
        public void flush() {
          try {
            txContext.finish();
            txContext.start();
          } catch (TransactionFailureException e) {
            throw Throwables.propagate(e);
          }
        }
      };
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    return dataSetContext;
  }

  @Override
  public TransactionContext createTransactionManager() {
    return new TransactionContext(txSystemClient, dataSetContext.getTransactionAware());
  }
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  public void close() throws IOException {
    try {
      if (consumer != null && consumer instanceof Closeable) {
        // Call close in a new transaction.
        // TODO (terence): Actually need to coordinates with other flowlets to drain the queue.
        TransactionContext txContext = dataFabricFacade.createTransactionManager();
        txContext.start();
        try {
          ((Closeable) consumer).close();
          txContext.finish();
        } catch (TransactionFailureException e) {
          LOG.warn("Fail to commit transaction when closing consumer.");
          txContext.abort();
        }
      }
    } catch (Exception e) {
      LOG.warn("Fail to close queue consumer.", e);
    }
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    }
  }

  @Override
  public void handle(ProcedureRequest request, ProcedureResponder responder) {
    TransactionContext txContext = dataFabricFacade.createTransactionManager();

    try {
      txContext.start();

      TransactionResponder txResponder = new TransactionResponder(txContext, responder);
      try {
        method.invoke(procedure, request, txResponder);
      } catch (Throwable t) {
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    }

    this.secondaryIndex = secondaryIndex;
    this.transactionAwareHTable = new TransactionAwareHTable(hTable);
    this.secondaryIndexTable = new TransactionAwareHTable(secondaryIndexHTable);
    this.transactionContext = new TransactionContext(transactionServiceClient, transactionAwareHTable,
                                                secondaryIndexTable);
  }
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  @Before
  public void setupBeforeTest() throws IOException {
    HTable hTable = testUtil.createTable(TestBytes.table, TestBytes.family);
    transactionAwareHTable = new TransactionAwareHTable(hTable);
    transactionContext = new TransactionContext(new DetachedTxSystemClient(), transactionAwareHTable);
  }
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  @Before
  public void setupBeforeTest() throws IOException {
    HTable hTable = testUtil.createTable(TestBytes.table, TestBytes.family);
    transactionAwareHTable = new TransactionAwareHTable(hTable);
    transactionContext = new TransactionContext(new DetachedTxSystemClient(), transactionAwareHTable);
  }
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    }

    this.secondaryIndex = secondaryIndex;
    this.transactionAwareHTable = new TransactionAwareHTable(hTable);
    this.secondaryIndexTable = new TransactionAwareHTable(secondaryIndexHTable);
    this.transactionContext = new TransactionContext(transactionServiceClient, transactionAwareHTable,
                                                secondaryIndexTable);
  }
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  @Before
  public void setupBeforeTest() throws IOException {
    HTable hTable = testUtil.createTable(TestBytes.table, TestBytes.family);
    transactionAwareHTable = new TransactionAwareHTable(hTable);
    transactionContext = new TransactionContext(new DetachedTxSystemClient(), transactionAwareHTable);
  }
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Related Classes of co.cask.tephra.TransactionContext

  • co.cask.cdap.internal.app.runtime.AbstractDataFabricFacade
  • co.cask.cdap.internal.app.runtime.flow.ConsumerSupplier
  • co.cask.cdap.internal.app.runtime.flow.FlowletProcessDriver
  • co.cask.cdap.internal.app.runtime.procedure.ReflectionHandlerMethod
  • co.cask.cdap.internal.app.runtime.service.BasicServiceWorkerContext
  • co.cask.cdap.internal.app.runtime.service.http.BasicHttpServiceContext
  • co.cask.cdap.test.internal.DefaultApplicationManager
  • co.cask.cdap.test.TestBase
  • co.cask.tephra.hbase94.TransactionAwareHTableTest
  • co.cask.tephra.hbase96.SecondaryIndexTable
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