org.apache.hudi.table.marker

Class SimpleDirectMarkerBasedDetectionStrategy

java.lang.Object

org.apache.hudi.common.conflict.detection.DirectMarkerBasedDetectionStrategy

org.apache.hudi.table.marker.SimpleDirectMarkerBasedDetectionStrategy

All Implemented Interfaces:

EarlyConflictDetectionStrategy

Direct Known Subclasses:

SimpleTransactionDirectMarkerBasedDetectionStrategy

public class SimpleDirectMarkerBasedDetectionStrategy
extends DirectMarkerBasedDetectionStrategy

This strategy is used for direct marker writers, trying to do early conflict detection. It will use fileSystem api like list and exist directly to check if there is any marker file conflict, without any locking.

Field Summary

Fields inherited from class org.apache.hudi.common.conflict.detection.DirectMarkerBasedDetectionStrategy

activeTimeline, config, fileId, fs, instantTime, partitionPath

Constructor Summary

Constructors

Constructor and Description
SimpleDirectMarkerBasedDetectionStrategy(HoodieWrapperFileSystem fs, String partitionPath, String fileId, String instantTime, HoodieActiveTimeline activeTimeline, HoodieWriteConfig config)

Method Summary

Modifier and Type	Method and Description
void	detectAndResolveConflictIfNecessary()
boolean	hasMarkerConflict()
void	resolveMarkerConflict(String basePath, String partitionPath, String dataFileName)

Methods inherited from class org.apache.hudi.common.conflict.detection.DirectMarkerBasedDetectionStrategy

checkMarkerConflict

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleDirectMarkerBasedDetectionStrategy

public SimpleDirectMarkerBasedDetectionStrategy(HoodieWrapperFileSystem fs,
                                                String partitionPath,
                                                String fileId,
                                                String instantTime,
                                                HoodieActiveTimeline activeTimeline,
                                                HoodieWriteConfig config)

Method Detail

hasMarkerConflict

public boolean hasMarkerConflict()

resolveMarkerConflict

public void resolveMarkerConflict(String basePath,
                                  String partitionPath,
                                  String dataFileName)

detectAndResolveConflictIfNecessary

public void detectAndResolveConflictIfNecessary()
                                         throws HoodieEarlyConflictDetectionException

Throws:

HoodieEarlyConflictDetectionException