org.apache.hadoop.hive.metastore.txn.jdbc

Class TransactionContextManager

java.lang.Object

org.apache.hadoop.hive.metastore.txn.jdbc.TransactionContextManager

public class TransactionContextManager
extends Object

A special TransactionManager which wraps a PlatformTransactionManager instance, to be able to wrap the returned TransactionStatus instances into TransactionContext. TransactionContext implements AutoCloseable, so it can be used in try-with-resources blocks. For more information see TransactionContext.

See Also:

TransactionContext

Method Summary

Modifier and Type	Method and Description
void	commit(TransactionContext context)
TransactionContext	getActiveTransaction()
TransactionContext	getNewTransaction(int propagation) Begins a new transaction or returns an existing, depending on the passed Transaction Propagation.
void	rollback(TransactionContext context)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getNewTransaction

public TransactionContext getNewTransaction(int propagation)

Begins a new transaction or returns an existing, depending on the passed Transaction Propagation. The created transaction is wrapped into a TransactionContext which is AutoCloseable and allows using the wrapper inside a try-with-resources block.

Parameters:

propagation - The transaction propagation to use.

getActiveTransaction

public TransactionContext getActiveTransaction()

commit

public void commit(TransactionContext context)

rollback

public void rollback(TransactionContext context)