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

Class CheckLockFunction

java.lang.Object

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

All Implemented Interfaces:

TransactionalFunction<LockResponse>

public class CheckLockFunction
extends Object
implements TransactionalFunction<LockResponse>

Constructor Summary

Constructors

Constructor and Description
CheckLockFunction(long extLockId, long txnId, boolean zeroWaitReadEnabled, boolean isExclusiveCTAS)

Method Summary

Modifier and Type	Method and Description
LockResponse	execute(MultiDataSourceJdbcResource jdbcResource) Implementations typically should execute transsactional database calls inside.

Methods inherited from class java.lang.Object

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

Constructor Detail

CheckLockFunction

public CheckLockFunction(long extLockId,
                         long txnId,
                         boolean zeroWaitReadEnabled,
                         boolean isExclusiveCTAS)

Method Detail

execute

public LockResponse execute(MultiDataSourceJdbcResource jdbcResource)
                     throws MetaException,
                            NoSuchTxnException,
                            TxnAbortedException,
                            NoSuchLockException

Description copied from interface: TransactionalFunction

Implementations typically should execute transsactional database calls inside.

Specified by:

execute in interface TransactionalFunction<LockResponse>

Parameters:

jdbcResource - A MultiDataSourceJdbcResource instance responsible for providing all the necessary resources to be able to perform transactional database calls.

Returns:

Returns with the result of the function call.

Throws:

MetaException - Thrown in case of application error within the function

NoSuchTxnException

TxnAbortedException

NoSuchLockException