Package io.delta.storage.commit.uniform

Class IcebergMetadata

Object

io.delta.storage.commit.uniform.IcebergMetadata

public class IcebergMetadata
extends Object

Metadata for Delta Uniform Iceberg conversion.

This class contains information about the latest Iceberg conversion for a Delta table, which is sent to Unity Catalog to track the Iceberg metadata state.

Constructor Summary

Constructors

Constructor	Description
IcebergMetadata(String metadataLocation, long convertedDeltaVersion, String convertedDeltaTimestamp)	Constructs IcebergMetadata without a base converted delta version (full conversion).
IcebergMetadata(String metadataLocation, long convertedDeltaVersion, String convertedDeltaTimestamp, Optional<Long> baseConvertedDeltaVersion)	Constructs IcebergMetadata with the specified conversion details.

Method Summary

Modifier and Type	Method	Description
Optional<Long>	getBaseConvertedDeltaVersion()	Returns the Delta version from which this conversion incrementally started, or empty if this was a full (non-incremental) conversion.
String	getConvertedDeltaTimestamp()	Returns the timestamp when the conversion occurred.
long	getConvertedDeltaVersion()	Returns the Delta version that was converted to Iceberg.
String	getMetadataLocation()	Returns the Iceberg metadata file location.

Methods inherited from class java.lang.Object

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

Constructor Details

IcebergMetadata

public IcebergMetadata(String metadataLocation,
 long convertedDeltaVersion,
 String convertedDeltaTimestamp,
 Optional<Long> baseConvertedDeltaVersion)

Constructs IcebergMetadata with the specified conversion details.

Parameters:

metadataLocation - The Iceberg metadata file location (e.g., "s3://bucket/metadata/v1.json")

convertedDeltaVersion - The Delta version that was converted (e.g., 1044)

convertedDeltaTimestamp - The timestamp of the conversion (e.g., "2025-01-04T03:13:11.423")

baseConvertedDeltaVersion - The Delta version from which this conversion incrementally started at, or empty if this was a full (non-incremental) conversion.

IcebergMetadata

public IcebergMetadata(String metadataLocation,
 long convertedDeltaVersion,
 String convertedDeltaTimestamp)

Constructs IcebergMetadata without a base converted delta version (full conversion).

Parameters:

metadataLocation - The Iceberg metadata file location

convertedDeltaVersion - The Delta version that was converted

convertedDeltaTimestamp - The timestamp of the conversion

Method Details

getMetadataLocation

public String getMetadataLocation()

Returns the Iceberg metadata file location.

getConvertedDeltaVersion

public long getConvertedDeltaVersion()

Returns the Delta version that was converted to Iceberg.

getConvertedDeltaTimestamp

public String getConvertedDeltaTimestamp()

Returns the timestamp when the conversion occurred.

getBaseConvertedDeltaVersion

public Optional<Long> getBaseConvertedDeltaVersion()

Returns the Delta version from which this conversion incrementally started, or empty if this was a full (non-incremental) conversion.