S3TransactionLogSynchronizer (trino-delta-lake 381 API)

java.lang.Object
- io.trino.plugin.deltalake.transactionlog.writer.S3TransactionLogSynchronizer

All Implemented Interfaces:: TransactionLogSynchronizer

public class S3TransactionLogSynchronizer
extends Object
implements TransactionLogSynchronizer

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class S3TransactionLogSynchronizer.LockFileContents

Field Summary

Fields
Modifier and Type Field Description

static io.airlift.log.Logger LOG

Constructor Summary

Constructors
Constructor	Description
`S3TransactionLogSynchronizer(HdfsEnvironment hdfsEnvironment, io.airlift.json.JsonCodec<S3TransactionLogSynchronizer.LockFileContents> lockFileContentesCodec)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
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.
`static String`	`parseEntryFilename(String lockFilename)`
`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

- Field Detail
  - LOG
```
public static final io.airlift.log.Logger LOG
```
- Constructor Detail
  - S3TransactionLogSynchronizer
```
@Inject
public S3TransactionLogSynchronizer(HdfsEnvironment hdfsEnvironment,
                                    io.airlift.json.JsonCodec<S3TransactionLogSynchronizer.LockFileContents> lockFileContentesCodec)
```
- Method Detail
  - 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.
  - write
```
public void write(ConnectorSession session,
                  String clusterId,
                  org.apache.hadoop.fs.Path newLogEntryPath,
                  byte[] entryContents)
```
    Description copied from interface: TransactionLogSynchronizer
    
    Performs atomic write of transaction log entry file.
    
    Specified by:
    
    write in interface TransactionLogSynchronizer
  - parseEntryFilename
```
public static String parseEntryFilename(String lockFilename)
```