org.apache.hadoop.hive.metastore.txn

Class TxnStoreMutex.LockHandleImpl

java.lang.Object

org.apache.hadoop.hive.metastore.txn.TxnStoreMutex.LockHandleImpl

All Implemented Interfaces:

AutoCloseable, TxnStore.MutexAPI.LockHandle

Enclosing class:

TxnStoreMutex

public static final class TxnStoreMutex.LockHandleImpl
extends Object
implements TxnStore.MutexAPI.LockHandle

Constructor Summary

Constructors

Constructor and Description
LockHandleImpl(MultiDataSourceJdbcResource jdbcResource, TransactionContext context, String key, Long lastUpdateTime, Semaphore derbySemaphore)

Method Summary

Modifier and Type	Method and Description
void	close()
Long	getLastUpdateTime() Returns the value of the last update time persisted during the appropriate lock release call.
void	releaseLocks() Releases all locks associated with this handle.
void	releaseLocks(Long timestamp) Releases all locks associated with this handle, and persist the value of the last update time.

Methods inherited from class java.lang.Object

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

Constructor Detail

LockHandleImpl

public LockHandleImpl(MultiDataSourceJdbcResource jdbcResource,
                      TransactionContext context,
                      String key,
                      Long lastUpdateTime,
                      Semaphore derbySemaphore)

Method Detail

releaseLocks

public void releaseLocks()

Description copied from interface: TxnStore.MutexAPI.LockHandle

Releases all locks associated with this handle.

Specified by:

releaseLocks in interface TxnStore.MutexAPI.LockHandle

getLastUpdateTime

public Long getLastUpdateTime()

Description copied from interface: TxnStore.MutexAPI.LockHandle

Returns the value of the last update time persisted during the appropriate lock release call.

Specified by:

getLastUpdateTime in interface TxnStore.MutexAPI.LockHandle

releaseLocks

public void releaseLocks(Long timestamp)

Description copied from interface: TxnStore.MutexAPI.LockHandle

Releases all locks associated with this handle, and persist the value of the last update time.

Specified by:

releaseLocks in interface TxnStore.MutexAPI.LockHandle

close

public void close()

Specified by:

close in interface AutoCloseable