org.apache.hudi.client.transaction

Class PreferWriterConflictResolutionStrategy

java.lang.Object

org.apache.hudi.client.transaction.SimpleConcurrentFileWritesConflictResolutionStrategy

org.apache.hudi.client.transaction.PreferWriterConflictResolutionStrategy

All Implemented Interfaces:

ConflictResolutionStrategy

public class PreferWriterConflictResolutionStrategy
extends SimpleConcurrentFileWritesConflictResolutionStrategy

This class extends the base implementation of conflict resolution strategy. It gives preference to non-blocking ingestion over table services in case of conflicts.

Constructor Summary

Constructors

Constructor and Description
PreferWriterConflictResolutionStrategy()

Method Summary

Modifier and Type	Method and Description
Stream<HoodieInstant>	getCandidateInstants(HoodieTableMetaClient metaClient, HoodieInstant currentInstant, Option<HoodieInstant> lastSuccessfulInstant) For tableservices like replacecommit and compaction commits this method also returns ingestion inflight commits.
boolean	isPreCommitRequired() Write clients uses their preCommit API to run conflict resolution.

Methods inherited from class org.apache.hudi.client.transaction.SimpleConcurrentFileWritesConflictResolutionStrategy

hasConflict, resolveConflict

Methods inherited from class java.lang.Object

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

Constructor Detail

PreferWriterConflictResolutionStrategy

public PreferWriterConflictResolutionStrategy()

Method Detail

getCandidateInstants

public Stream<HoodieInstant> getCandidateInstants(HoodieTableMetaClient metaClient,
                                                  HoodieInstant currentInstant,
                                                  Option<HoodieInstant> lastSuccessfulInstant)

For tableservices like replacecommit and compaction commits this method also returns ingestion inflight commits.

Specified by:

getCandidateInstants in interface ConflictResolutionStrategy

Overrides:

getCandidateInstants in class SimpleConcurrentFileWritesConflictResolutionStrategy

Returns:

isPreCommitRequired

public boolean isPreCommitRequired()

Description copied from interface: ConflictResolutionStrategy

Write clients uses their preCommit API to run conflict resolution. This method determines whether to execute preCommit for table services like clustering.

Specified by:

isPreCommitRequired in interface ConflictResolutionStrategy

Overrides:

isPreCommitRequired in class SimpleConcurrentFileWritesConflictResolutionStrategy

Returns:

boolean