org.apache.hudi.client.utils

Class TransactionUtils

java.lang.Object

org.apache.hudi.client.utils.TransactionUtils

public class TransactionUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
TransactionUtils()

Method Summary

Modifier and Type	Method and Description
static Stream<HoodieInstant>	getCompletedInstantsDuringCurrentWriteOperation(HoodieTableMetaClient metaClient, Set<String> pendingInstants) Helper to find the instants that completed during this operation.
static Set<String>	getInflightAndRequestedInstants(HoodieTableMetaClient metaClient) Get InflightAndRequest instants.
static Option<Pair<HoodieInstant,Map<String,String>>>	getLastCompletedTxnInstantAndMetadata(HoodieTableMetaClient metaClient) Get the last completed transaction hoodie instant and HoodieCommitMetadata.getExtraMetadata().
static Option<HoodieCommitMetadata>	resolveWriteConflictIfAny(HoodieTable table, Option<HoodieInstant> currentTxnOwnerInstant, Option<HoodieCommitMetadata> thisCommitMetadata, HoodieWriteConfig config, Option<HoodieInstant> lastCompletedTxnOwnerInstant, boolean timelineRefreshedWithinTransaction, Set<String> pendingInstants) Resolve any write conflicts when committing data.

Methods inherited from class java.lang.Object

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

Constructor Detail

TransactionUtils

public TransactionUtils()

Method Detail

resolveWriteConflictIfAny

public static Option<HoodieCommitMetadata> resolveWriteConflictIfAny(HoodieTable table,
                                                                     Option<HoodieInstant> currentTxnOwnerInstant,
                                                                     Option<HoodieCommitMetadata> thisCommitMetadata,
                                                                     HoodieWriteConfig config,
                                                                     Option<HoodieInstant> lastCompletedTxnOwnerInstant,
                                                                     boolean timelineRefreshedWithinTransaction,
                                                                     Set<String> pendingInstants)
                                                              throws HoodieWriteConflictException

Resolve any write conflicts when committing data.

Parameters:

table -

currentTxnOwnerInstant -

thisCommitMetadata -

config -

lastCompletedTxnOwnerInstant -

pendingInstants -

Returns:

Throws:

HoodieWriteConflictException

getLastCompletedTxnInstantAndMetadata

public static Option<Pair<HoodieInstant,Map<String,String>>> getLastCompletedTxnInstantAndMetadata(HoodieTableMetaClient metaClient)

Get the last completed transaction hoodie instant and HoodieCommitMetadata.getExtraMetadata().

Parameters:

metaClient -

Returns:

getInflightAndRequestedInstants

public static Set<String> getInflightAndRequestedInstants(HoodieTableMetaClient metaClient)

Get InflightAndRequest instants.

Parameters:

metaClient -

Returns:

getCompletedInstantsDuringCurrentWriteOperation

public static Stream<HoodieInstant> getCompletedInstantsDuringCurrentWriteOperation(HoodieTableMetaClient metaClient,
                                                                                    Set<String> pendingInstants)

Helper to find the instants that completed during this operation.

Parameters:

metaClient - client that was created or refreshed within the transaction

pendingInstants - pending instants to compare

Returns:

instants that completed during this operation