Package io.trino.plugin.deltalake.transactionlog.writer

Class LocalTransactionLogSynchronizer

java.lang.Object

io.trino.plugin.deltalake.transactionlog.writer.LocalTransactionLogSynchronizer

All Implemented Interfaces:

TransactionLogSynchronizer

public class LocalTransactionLogSynchronizer
extends Object
implements TransactionLogSynchronizer

Constructor Summary

Constructors

Constructor	Description
LocalTransactionLogSynchronizer(TrinoFileSystemFactory fileSystemFactory)

Method Summary

Modifier and Type	Method	Description
boolean	isUnsafe()	Whether or not writes using this Synchronizer need to be enabled with the "delta.enable-non-concurrent-writes" config property.
void	write(ConnectorSession session, String clusterId, Location newLogEntryPath, byte[] entryContents)	Performs atomic write of transaction log entry file.

Methods inherited from class java.lang.Object

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

Constructor Details

LocalTransactionLogSynchronizer

@Inject
public LocalTransactionLogSynchronizer(TrinoFileSystemFactory fileSystemFactory)

Method Details

write

public void write(ConnectorSession session,
 String clusterId,
 Location newLogEntryPath,
 byte[] entryContents)

Description copied from interface: TransactionLogSynchronizer

Performs atomic write of transaction log entry file.

Specified by:

write in interface TransactionLogSynchronizer

isUnsafe

public boolean isUnsafe()

Description copied from interface: TransactionLogSynchronizer

Whether or not writes using this Synchronizer need to be enabled with the "delta.enable-non-concurrent-writes" config property.

Specified by:

isUnsafe in interface TransactionLogSynchronizer

Returns:

False if collision detection for writes from multiple clusters is supported, else true.