Module org.elasticsearch.server

Package org.elasticsearch.action.admin.cluster.allocation

Class TransportClusterAllocationExplainAction

java.lang.Object

org.elasticsearch.action.support.TransportAction<Request,Response>

org.elasticsearch.action.support.HandledTransportAction<Request,Response>

org.elasticsearch.action.support.master.TransportMasterNodeAction<ClusterAllocationExplainRequest,ClusterAllocationExplainResponse>

org.elasticsearch.action.admin.cluster.allocation.TransportClusterAllocationExplainAction

All Implemented Interfaces:

ActionWithReservedState<ClusterAllocationExplainRequest>

public class TransportClusterAllocationExplainAction
extends TransportMasterNodeAction<ClusterAllocationExplainRequest,ClusterAllocationExplainResponse>

The TransportClusterAllocationExplainAction is responsible for actually executing the explanation of a shard's allocation on the master node in the cluster.

Field Summary

Fields

Modifier and Type	Field	Description
static final ActionType<ClusterAllocationExplainResponse>	TYPE

Fields inherited from class org.elasticsearch.action.support.master.TransportMasterNodeAction

clusterService, executor, indexNameExpressionResolver, threadPool, transportService

Fields inherited from class org.elasticsearch.action.support.TransportAction

actionName, taskManager

Constructor Summary

Constructors

Constructor	Description
TransportClusterAllocationExplainAction(TransportService transportService, ClusterService clusterService, ThreadPool threadPool, ActionFilters actionFilters, IndexNameExpressionResolver indexNameExpressionResolver, ClusterInfoService clusterInfoService, SnapshotsInfoService snapshotsInfoService, AllocationDeciders allocationDeciders, AllocationService allocationService)

Method Summary

Modifier and Type	Method	Description
protected ClusterBlockException	checkBlock(ClusterAllocationExplainRequest request, ClusterState state)
static ClusterAllocationExplanation	explainShard(ShardRouting shardRouting, RoutingAllocation allocation, ClusterInfo clusterInfo, boolean includeYesDecisions, boolean isSpecificShard, AllocationService allocationService)
static ShardRouting	findShardToExplain(ClusterAllocationExplainRequest request, RoutingAllocation allocation)
protected void	masterOperation(Task task, ClusterAllocationExplainRequest request, ClusterState state, ActionListener<ClusterAllocationExplainResponse> listener)

Methods inherited from class org.elasticsearch.action.support.master.TransportMasterNodeAction

doExecute, localExecute

Methods inherited from class org.elasticsearch.action.support.TransportAction

execute, localOnly

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.reservedstate.ActionWithReservedState

modifiedKeys, reservedStateHandlerName, validateForReservedState

Field Details

TYPE

public static final ActionType<ClusterAllocationExplainResponse> TYPE

Constructor Details

TransportClusterAllocationExplainAction

@Inject
public TransportClusterAllocationExplainAction(TransportService transportService,
 ClusterService clusterService,
 ThreadPool threadPool,
 ActionFilters actionFilters,
 IndexNameExpressionResolver indexNameExpressionResolver,
 ClusterInfoService clusterInfoService,
 SnapshotsInfoService snapshotsInfoService,
 AllocationDeciders allocationDeciders,
 AllocationService allocationService)

Method Details

checkBlock

protected ClusterBlockException checkBlock(ClusterAllocationExplainRequest request,
 ClusterState state)

Specified by:

checkBlock in class TransportMasterNodeAction<ClusterAllocationExplainRequest,ClusterAllocationExplainResponse>

masterOperation

protected void masterOperation(Task task,
 ClusterAllocationExplainRequest request,
 ClusterState state,
 ActionListener<ClusterAllocationExplainResponse> listener)

Specified by:

masterOperation in class TransportMasterNodeAction<ClusterAllocationExplainRequest,ClusterAllocationExplainResponse>

explainShard

public static ClusterAllocationExplanation explainShard(ShardRouting shardRouting,
 RoutingAllocation allocation,
 ClusterInfo clusterInfo,
 boolean includeYesDecisions,
 boolean isSpecificShard,
 AllocationService allocationService)

findShardToExplain

public static ShardRouting findShardToExplain(ClusterAllocationExplainRequest request,
 RoutingAllocation allocation)