Package org.apache.solr.cloud.overseer

Class NodeMutator

java.lang.Object

org.apache.solr.cloud.overseer.NodeMutator

public class NodeMutator
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected SolrZkClient	zkClient

Constructor Summary

Constructors

Constructor	Description
NodeMutator(SolrCloudManager cloudManager)

Method Summary

Modifier and Type	Method	Description
static Optional<ZkWriteCommand>	computeCollectionUpdate(String nodeName, String collectionName, DocCollection docCollection, SolrZkClient client)	Returns the write command needed to update the replicas of a given collection given the identity of a node being down.
List<ZkWriteCommand>	downNode(ClusterState clusterState, ZkNodeProps message)

Methods inherited from class java.lang.Object

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

Field Detail

zkClient

protected SolrZkClient zkClient

Constructor Detail

NodeMutator

public NodeMutator(SolrCloudManager cloudManager)

Method Detail

downNode

public List<ZkWriteCommand> downNode(ClusterState clusterState,
                                     ZkNodeProps message)

computeCollectionUpdate

public static Optional<ZkWriteCommand> computeCollectionUpdate(String nodeName,
                                                               String collectionName,
                                                               DocCollection docCollection,
                                                               SolrZkClient client)

Returns the write command needed to update the replicas of a given collection given the identity of a node being down.

Returns:

An optional with the write command or an empty one if the collection does not need any state modification. The returned write command might be for per replica state updates or for an update to state.json, depending on the configuration of the collection.