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

Class TransportClusterAllocationExplainAction

java.lang.Object

org.elasticsearch.common.component.AbstractComponent

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

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

clusterService, transportService

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

actionName, indexNameExpressionResolver, taskManager, threadPool

Fields inherited from class org.elasticsearch.common.component.AbstractComponent

logger

Constructor Summary

Constructors

Constructor	Description
TransportClusterAllocationExplainAction(Settings settings, TransportService transportService, ClusterService clusterService, ThreadPool threadPool, ActionFilters actionFilters, IndexNameExpressionResolver indexNameExpressionResolver, ClusterInfoService clusterInfoService, AllocationDeciders allocationDeciders, ShardsAllocator shardAllocator, GatewayAllocator gatewayAllocator)

Method Summary

Modifier and Type	Method	Description
protected ClusterBlockException	checkBlock(ClusterAllocationExplainRequest request, ClusterState state)
protected java.lang.String	executor()
static ClusterAllocationExplanation	explainShard(ShardRouting shardRouting, RoutingAllocation allocation, ClusterInfo clusterInfo, boolean includeYesDecisions, GatewayAllocator gatewayAllocator, ShardsAllocator shardAllocator)
static ShardRouting	findShardToExplain(ClusterAllocationExplainRequest request, RoutingAllocation allocation)
protected void	masterOperation(ClusterAllocationExplainRequest request, ClusterState state, ActionListener<ClusterAllocationExplainResponse> listener)
protected ClusterAllocationExplainResponse	newResponse()

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

doExecute, doExecute, getMasterActionName, localExecute, masterOperation, read

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

execute, execute, execute, execute

Methods inherited from class java.lang.Object

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

Constructor Detail

TransportClusterAllocationExplainAction

@Inject
public TransportClusterAllocationExplainAction(Settings settings,
                                               TransportService transportService,
                                               ClusterService clusterService,
                                               ThreadPool threadPool,
                                               ActionFilters actionFilters,
                                               IndexNameExpressionResolver indexNameExpressionResolver,
                                               ClusterInfoService clusterInfoService,
                                               AllocationDeciders allocationDeciders,
                                               ShardsAllocator shardAllocator,
                                               GatewayAllocator gatewayAllocator)

Method Detail

executor

protected java.lang.String executor()

Specified by:

executor in class TransportMasterNodeAction<ClusterAllocationExplainRequest,ClusterAllocationExplainResponse>

checkBlock

protected ClusterBlockException checkBlock(ClusterAllocationExplainRequest request,
                                           ClusterState state)

Specified by:

checkBlock in class TransportMasterNodeAction<ClusterAllocationExplainRequest,ClusterAllocationExplainResponse>

newResponse

protected ClusterAllocationExplainResponse newResponse()

Specified by:

newResponse in class TransportMasterNodeAction<ClusterAllocationExplainRequest,ClusterAllocationExplainResponse>

Returns:

a new response instance. Typically this is used for serialization using the Streamable.readFrom(StreamInput) method.

masterOperation

protected void masterOperation(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,
                                                        GatewayAllocator gatewayAllocator,
                                                        ShardsAllocator shardAllocator)

findShardToExplain

public static ShardRouting findShardToExplain(ClusterAllocationExplainRequest request,
                                              RoutingAllocation allocation)