org.apache.hudi.table.action.rollback

Class BaseRollbackActionExecutor<T extends HoodieRecordPayload,I,K,O>

java.lang.Object

org.apache.hudi.table.action.BaseActionExecutor<T,I,K,O,HoodieRollbackMetadata>

org.apache.hudi.table.action.rollback.BaseRollbackActionExecutor<T,I,K,O>

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

CopyOnWriteRollbackActionExecutor, MergeOnReadRollbackActionExecutor

public abstract class BaseRollbackActionExecutor<T extends HoodieRecordPayload,I,K,O>
extends BaseActionExecutor<T,I,K,O,HoodieRollbackMetadata>

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	deleteInstants
protected HoodieInstant	instantToRollback
protected HoodieInstant	resolvedInstant
protected boolean	skipTimelinePublish

Fields inherited from class org.apache.hudi.table.action.BaseActionExecutor

config, context, hadoopConf, instantTime, table

Constructor Summary

Constructors

Constructor and Description
BaseRollbackActionExecutor(HoodieEngineContext context, HoodieWriteConfig config, HoodieTable<T,I,K,O> table, String instantTime, HoodieInstant instantToRollback, boolean deleteInstants, boolean skipLocking)
BaseRollbackActionExecutor(HoodieEngineContext context, HoodieWriteConfig config, HoodieTable<T,I,K,O> table, String instantTime, HoodieInstant instantToRollback, boolean deleteInstants, boolean skipTimelinePublish, boolean skipLocking)

Method Summary

Modifier and Type	Method and Description
protected void	deleteInflightAndRequestedInstant(boolean deleteInstant, HoodieActiveTimeline activeTimeline, HoodieInstant instantToBeDeleted) Delete Inflight instant if enabled.
List<HoodieRollbackStat>	doRollbackAndGetStats(HoodieRollbackPlan hoodieRollbackPlan)
protected void	dropBootstrapIndexIfNeeded(HoodieInstant instantToRollback)
HoodieRollbackMetadata	execute()
protected List<HoodieRollbackStat>	executeRollback(HoodieInstant instantToRollback, HoodieRollbackPlan rollbackPlan) Execute rollback and fetch rollback stats.
protected abstract List<HoodieRollbackStat>	executeRollback(HoodieRollbackPlan hoodieRollbackPlan) Execute actual rollback and fetch list of RollbackStats.
protected void	finishRollback(HoodieInstant inflightInstant, HoodieRollbackMetadata rollbackMetadata)

Methods inherited from class org.apache.hudi.table.action.BaseActionExecutor

writeTableMetadata, writeTableMetadata, writeTableMetadata, writeTableMetadata

Methods inherited from class java.lang.Object

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

Field Detail

instantToRollback

protected final HoodieInstant instantToRollback

deleteInstants

protected final boolean deleteInstants

skipTimelinePublish

protected final boolean skipTimelinePublish

resolvedInstant

protected HoodieInstant resolvedInstant

Constructor Detail

BaseRollbackActionExecutor

public BaseRollbackActionExecutor(HoodieEngineContext context,
                                  HoodieWriteConfig config,
                                  HoodieTable<T,I,K,O> table,
                                  String instantTime,
                                  HoodieInstant instantToRollback,
                                  boolean deleteInstants,
                                  boolean skipLocking)

BaseRollbackActionExecutor

public BaseRollbackActionExecutor(HoodieEngineContext context,
                                  HoodieWriteConfig config,
                                  HoodieTable<T,I,K,O> table,
                                  String instantTime,
                                  HoodieInstant instantToRollback,
                                  boolean deleteInstants,
                                  boolean skipTimelinePublish,
                                  boolean skipLocking)

Method Detail

executeRollback

protected abstract List<HoodieRollbackStat> executeRollback(HoodieRollbackPlan hoodieRollbackPlan)
                                                     throws IOException

Execute actual rollback and fetch list of RollbackStats.

Parameters:

hoodieRollbackPlan - instance of HoodieRollbackPlan that needs to be executed.

Returns:

a list of HoodieRollbackStats.

Throws:

IOException

execute

public HoodieRollbackMetadata execute()

Specified by:

execute in class BaseActionExecutor<T extends HoodieRecordPayload,I,K,O,HoodieRollbackMetadata>

doRollbackAndGetStats

public List<HoodieRollbackStat> doRollbackAndGetStats(HoodieRollbackPlan hoodieRollbackPlan)

executeRollback

protected List<HoodieRollbackStat> executeRollback(HoodieInstant instantToRollback,
                                                   HoodieRollbackPlan rollbackPlan)

Execute rollback and fetch rollback stats.

Parameters:

instantToRollback - instant to be rolled back.

rollbackPlan - instance of HoodieRollbackPlan for which rollback needs to be executed.

Returns:

list of HoodieRollbackStats.

finishRollback

protected void finishRollback(HoodieInstant inflightInstant,
                              HoodieRollbackMetadata rollbackMetadata)
                       throws HoodieIOException

Throws:

HoodieIOException

deleteInflightAndRequestedInstant

protected void deleteInflightAndRequestedInstant(boolean deleteInstant,
                                                 HoodieActiveTimeline activeTimeline,
                                                 HoodieInstant instantToBeDeleted)

Delete Inflight instant if enabled.

Parameters:

deleteInstant - Enable Deletion of Inflight instant

activeTimeline - Hoodie active timeline

instantToBeDeleted - Instant to be deleted

dropBootstrapIndexIfNeeded

protected void dropBootstrapIndexIfNeeded(HoodieInstant instantToRollback)