io.cdap.cdap.api

Interface Transactional

All Known Subinterfaces:

CustomActionContext, HttpServiceContext, MapReduceContext, ServiceContext, SparkClientContext, WorkerContext, WorkflowContext

public interface Transactional

An object that executes submitted TxRunnable tasks. Each task submitted will be executed inside a transaction.

Method Summary

Modifier and Type	Method and Description
void	execute(int timeoutInSeconds, TxRunnable runnable) Executes a set of operations via a TxRunnable that are committed as a single transaction with a given timeout.
void	execute(TxRunnable runnable) Executes a set of operations via a TxRunnable that are committed as a single transaction.

Method Detail

execute

void execute(TxRunnable runnable)
      throws org.apache.tephra.TransactionFailureException

Executes a set of operations via a TxRunnable that are committed as a single transaction. The TxRunnable can gain access to a Dataset through the provided DatasetContext.

Parameters:

runnable - the runnable to be executed in the transaction

Throws:

org.apache.tephra.TransactionFailureException - if failed to execute the given TxRunnable in a transaction

execute

void execute(int timeoutInSeconds,
             TxRunnable runnable)
      throws org.apache.tephra.TransactionFailureException

Executes a set of operations via a TxRunnable that are committed as a single transaction with a given timeout. The TxRunnable can gain access to a Dataset through the provided DatasetContext.

Parameters:

timeoutInSeconds - the transaction timeout for the transaction, in seconds

runnable - the runnable to be executed in the transaction

Throws:

org.apache.tephra.TransactionFailureException - if failed to execute the given TxRunnable in a transaction