org.apache.hudi.common.table.timeline.versioning.clean

Class CleanMetadataV1MigrationHandler

java.lang.Object

org.apache.hudi.common.table.timeline.versioning.AbstractMigratorBase<HoodieCleanMetadata>

org.apache.hudi.common.table.timeline.versioning.clean.CleanMetadataV1MigrationHandler

All Implemented Interfaces:

Serializable, VersionMigrator<HoodieCleanMetadata>

public class CleanMetadataV1MigrationHandler
extends AbstractMigratorBase<HoodieCleanMetadata>

Migration handler for clean metadata in version 1.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static Integer	VERSION

Fields inherited from class org.apache.hudi.common.table.timeline.versioning.AbstractMigratorBase

metaClient

Constructor Summary

Constructors

Constructor and Description
CleanMetadataV1MigrationHandler(HoodieTableMetaClient metaClient)

Method Summary

Modifier and Type	Method and Description
HoodieCleanMetadata	downgradeFrom(HoodieCleanMetadata input) Downgrades metadata of type T from next version to this version.
Integer	getManagedVersion() Version of Metadata that this class will handle.
HoodieCleanMetadata	upgradeFrom(HoodieCleanMetadata input) Upgrades metadata of type T from previous version to this version.

Methods inherited from class java.lang.Object

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

Field Detail

VERSION

public static final Integer VERSION

Constructor Detail

CleanMetadataV1MigrationHandler

public CleanMetadataV1MigrationHandler(HoodieTableMetaClient metaClient)

Method Detail

getManagedVersion

public Integer getManagedVersion()

Description copied from interface: VersionMigrator

Version of Metadata that this class will handle.

Returns:

upgradeFrom

public HoodieCleanMetadata upgradeFrom(HoodieCleanMetadata input)

Description copied from interface: VersionMigrator

Upgrades metadata of type T from previous version to this version.

Parameters:

input - Metadata as of previous version.

Returns:

Metadata compatible with the version managed by this class

downgradeFrom

public HoodieCleanMetadata downgradeFrom(HoodieCleanMetadata input)

Description copied from interface: VersionMigrator

Downgrades metadata of type T from next version to this version.

Parameters:

input - Metadata as of next highest version

Returns:

Metadata compatible with the version managed by this class