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

Class NoIsolationSynchronizer

java.lang.Object

io.trino.plugin.deltalake.transactionlog.writer.NoIsolationSynchronizer

All Implemented Interfaces:

TransactionLogSynchronizer

public class NoIsolationSynchronizer
extends Object
implements TransactionLogSynchronizer

Constructor Summary

Constructors

Constructor	Description
NoIsolationSynchronizer(HdfsEnvironment hdfsEnvironment)

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, org.apache.hadoop.fs.Path 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 Detail

NoIsolationSynchronizer

@Inject
public NoIsolationSynchronizer(HdfsEnvironment hdfsEnvironment)

Method Detail

write

public void write(ConnectorSession session,
                  String clusterId,
                  org.apache.hadoop.fs.Path newLogEntryPath,
                  byte[] entryContents)
           throws UncheckedIOException

Description copied from interface: TransactionLogSynchronizer

Performs atomic write of transaction log entry file.

Specified by:

write in interface TransactionLogSynchronizer

Throws:

UncheckedIOException

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.