org.apache.hudi.common.conflict.detection

Class TimelineServerBasedDetectionStrategy

java.lang.Object

org.apache.hudi.common.conflict.detection.TimelineServerBasedDetectionStrategy

All Implemented Interfaces:

EarlyConflictDetectionStrategy

@PublicAPIClass(maturity=EVOLVING)
public abstract class TimelineServerBasedDetectionStrategy
extends Object
implements EarlyConflictDetectionStrategy

This abstract strategy is used for writers using timeline-server-based markers, trying to do early conflict detection.

Field Summary

Fields

Modifier and Type	Field and Description
protected String	basePath
protected boolean	checkCommitConflict
protected String	markerDir
protected String	markerName

Constructor Summary

Constructors

Constructor and Description
TimelineServerBasedDetectionStrategy(String basePath, String markerDir, String markerName, Boolean checkCommitConflict)

Method Summary

Modifier and Type	Method and Description
abstract void	startAsyncDetection(Long initialDelayMs, Long periodMs, String markerDir, String basePath, Long maxAllowableHeartbeatIntervalInMs, HoodieStorage storage, Object markerHandler, Set<HoodieInstant> completedCommits) Starts the async conflict detection thread.
abstract void	stop()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hudi.common.conflict.detection.EarlyConflictDetectionStrategy

detectAndResolveConflictIfNecessary, hasMarkerConflict, resolveMarkerConflict

Field Detail

basePath

protected final String basePath

markerDir

protected final String markerDir

markerName

protected final String markerName

checkCommitConflict

protected final boolean checkCommitConflict

Constructor Detail

TimelineServerBasedDetectionStrategy

public TimelineServerBasedDetectionStrategy(String basePath,
                                            String markerDir,
                                            String markerName,
                                            Boolean checkCommitConflict)

Method Detail

startAsyncDetection

public abstract void startAsyncDetection(Long initialDelayMs,
                                         Long periodMs,
                                         String markerDir,
                                         String basePath,
                                         Long maxAllowableHeartbeatIntervalInMs,
                                         HoodieStorage storage,
                                         Object markerHandler,
                                         Set<HoodieInstant> completedCommits)

Starts the async conflict detection thread.

Parameters:

initialDelayMs - Initial delay in milliseconds.

periodMs - Scheduling period in milliseconds.

markerDir - Marker directory.

basePath - Base path of the table.

maxAllowableHeartbeatIntervalInMs - Heartbeat timeout.

storage - HoodieStorage instance.

markerHandler - Marker handler.

completedCommits - Completed Hudi commits.

stop

public abstract void stop()