Package org.apache.jackrabbit.oak.plugins.document.mongo

Class MongoMissingLastRevSeeker

java.lang.Object

org.apache.jackrabbit.oak.plugins.document.MissingLastRevSeeker

org.apache.jackrabbit.oak.plugins.document.mongo.MongoMissingLastRevSeeker

public class MongoMissingLastRevSeeker
extends MissingLastRevSeeker

Mongo specific version of MissingLastRevSeeker which uses mongo queries to fetch candidates which may have missed '_lastRev' updates. Uses a time range to find documents modified during that interval.

Field Summary

Fields inherited from class org.apache.jackrabbit.oak.plugins.document.MissingLastRevSeeker

clock

Constructor Summary

Constructors

Constructor	Description
MongoMissingLastRevSeeker(MongoDocumentStore store, Clock clock)

Method Summary

Modifier and Type	Method	Description
@NotNull CloseableIterable<NodeDocument>	getCandidates(long startTime)	Get the candidates with modified time greater than or equal the specified startTime in milliseconds since the start of the epoch.
boolean	isRecoveryNeeded()	Returns true if any of the cluster node info documents satisfies ClusterNodeInfoDocument.isRecoveryNeeded(long) where the passed timestamp is the current time.

Methods inherited from class org.apache.jackrabbit.oak.plugins.document.MissingLastRevSeeker

acquireRecoveryLock, getAllClusters, getClusterNodeInfo, getRoot, isRecoveryNeeded, releaseRecoveryLock

Methods inherited from class java.lang.Object

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

Constructor Detail

MongoMissingLastRevSeeker

public MongoMissingLastRevSeeker(MongoDocumentStore store,
                                 Clock clock)

Method Detail

getCandidates

@NotNull
public @NotNull CloseableIterable<NodeDocument> getCandidates(long startTime)

Description copied from class: MissingLastRevSeeker

Get the candidates with modified time greater than or equal the specified startTime in milliseconds since the start of the epoch.

Overrides:

getCandidates in class MissingLastRevSeeker

Parameters:

startTime - the start time in milliseconds.

Returns:

the candidates

isRecoveryNeeded

public boolean isRecoveryNeeded()

Description copied from class: MissingLastRevSeeker

Returns true if any of the cluster node info documents satisfies ClusterNodeInfoDocument.isRecoveryNeeded(long) where the passed timestamp is the current time.

Overrides:

isRecoveryNeeded in class MissingLastRevSeeker

Returns:

true if any of the cluster nodes need recovery, false otherwise.