How to use

WriteFence

in

co.cask.tephra.visibility

 /**
  * Used by a writer to wait on a fence so that changes are visible to all readers with in-progress transactions.
  *
  * @param fenceId uniquely identifies the data that this fence is used to synchronize.
  *                  If the data is a table cell then this id can be composed of the table name, row key
  *                  and column key for the data.
  * @return {@link FenceWait} object
  */
 public static FenceWait prepareWait(byte[] fenceId, TransactionSystemClient txClient)
  throws TransactionFailureException, InterruptedException, TimeoutException {
  return new DefaultFenceWait(new TransactionContext(txClient, new WriteFence(fenceId)));
 }
}

 /**
  * Used by a writer to wait on a fence so that changes are visible to all readers with in-progress transactions.
  *
  * @param fenceId uniquely identifies the data that this fence is used to synchronize.
  *                  If the data is a table cell then this id can be composed of the table name, row key
  *                  and column key for the data.
  * @return {@link FenceWait} object
  */
 public static FenceWait prepareWait(byte[] fenceId, TransactionSystemClient txClient)
  throws TransactionFailureException, InterruptedException, TimeoutException {
  return new DefaultFenceWait(new TransactionContext(txClient, new WriteFence(fenceId)));
 }
}

TransactionAware writeFence = new WriteFence(fenceId);
TransactionContext writeTxContext = new TransactionContext(new InMemoryTxSystemClient(txManager), writeFence);
writeTxContext.start();

TransactionAware writeFence = new WriteFence(fenceId);
TransactionContext writeTxContext = new TransactionContext(new InMemoryTxSystemClient(txManager), writeFence);
writeTxContext.start();