executeBatch( migration.to.getImplementationVersion(), totalBatch, observer, atomicLong, uniqueBatch );
MvccEntityDataMigrationImpl mvccEntityDataMigrationImpl = new MvccEntityDataMigrationImpl(keyspace, session, allVersions, mvccEntitySerializationStrategyV3, uniqueValueSerializationStrategy, mvccLogEntrySerializationStrategy, migrationProvider); mvccEntityDataMigrationImpl.migrate( startVersion.getVersion(), progressObserver );