org.elasticsearch.action.admin.indices.cache.clear

Class TransportClearIndicesCacheAction

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.broadcast.node.TransportBroadcastByNodeAction<ClearIndicesCacheRequest,ClearIndicesCacheResponse,TransportBroadcastByNodeAction.EmptyResult>

org.elasticsearch.action.admin.indices.cache.clear.TransportClearIndicesCacheAction

public class TransportClearIndicesCacheAction
extends TransportBroadcastByNodeAction<ClearIndicesCacheRequest,ClearIndicesCacheResponse,TransportBroadcastByNodeAction.EmptyResult>

Indices clear cache action.

Nested Class Summary

Nested classes/interfaces inherited from class org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction

TransportBroadcastByNodeAction.AsyncAction, TransportBroadcastByNodeAction.EmptyResult, TransportBroadcastByNodeAction.NodeRequest

Field Summary

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

actionName, indexNameExpressionResolver, parseFieldMatcher, taskManager, threadPool

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

deprecationLogger, logger, settings

Constructor Summary

Constructors

Constructor and Description
TransportClearIndicesCacheAction(Settings settings, ThreadPool threadPool, ClusterService clusterService, TransportService transportService, IndicesService indicesService, IndicesRequestCache indicesQueryCache, ActionFilters actionFilters, IndexNameExpressionResolver indexNameExpressionResolver)

Method Summary

Modifier and Type	Method and Description
protected ClusterBlockException	checkGlobalBlock(ClusterState state, ClearIndicesCacheRequest request) Executes a global block check before polling the cluster state.
protected ClusterBlockException	checkRequestBlock(ClusterState state, ClearIndicesCacheRequest request, String[] concreteIndices) Executes a global request-level check before polling the cluster state.
protected ClearIndicesCacheResponse	newResponse(ClearIndicesCacheRequest request, int totalShards, int successfulShards, int failedShards, List<TransportBroadcastByNodeAction.EmptyResult> responses, List<ShardOperationFailedException> shardFailures, ClusterState clusterState) Creates a new response to the underlying request.
protected ClearIndicesCacheRequest	readRequestFrom(StreamInput in) Deserialize a request from an input stream
protected TransportBroadcastByNodeAction.EmptyResult	readShardResult(StreamInput in) Deserialize a shard-level result from an input stream
protected TransportBroadcastByNodeAction.EmptyResult	shardOperation(ClearIndicesCacheRequest request, ShardRouting shardRouting) Executes the shard-level operation.
protected ShardsIterator	shards(ClusterState clusterState, ClearIndicesCacheRequest request, String[] concreteIndices) The refresh request works against *all* shards.

Methods inherited from class org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction

doExecute, doExecute

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

execute, execute, execute, execute

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

logDeprecatedSetting, logRemovedSetting, nodeName

Methods inherited from class java.lang.Object

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

Constructor Detail

TransportClearIndicesCacheAction

@Inject
public TransportClearIndicesCacheAction(Settings settings,
                                                ThreadPool threadPool,
                                                ClusterService clusterService,
                                                TransportService transportService,
                                                IndicesService indicesService,
                                                IndicesRequestCache indicesQueryCache,
                                                ActionFilters actionFilters,
                                                IndexNameExpressionResolver indexNameExpressionResolver)

Method Detail

readShardResult

protected TransportBroadcastByNodeAction.EmptyResult readShardResult(StreamInput in)
                                                              throws IOException

Description copied from class: TransportBroadcastByNodeAction

Deserialize a shard-level result from an input stream

Specified by:

readShardResult in class TransportBroadcastByNodeAction<ClearIndicesCacheRequest,ClearIndicesCacheResponse,TransportBroadcastByNodeAction.EmptyResult>

Parameters:

in - input stream

Returns:

a deserialized shard-level result

Throws:

IOException

newResponse

protected ClearIndicesCacheResponse newResponse(ClearIndicesCacheRequest request,
                                                int totalShards,
                                                int successfulShards,
                                                int failedShards,
                                                List<TransportBroadcastByNodeAction.EmptyResult> responses,
                                                List<ShardOperationFailedException> shardFailures,
                                                ClusterState clusterState)

Description copied from class: TransportBroadcastByNodeAction

Creates a new response to the underlying request.

Specified by:

newResponse in class TransportBroadcastByNodeAction<ClearIndicesCacheRequest,ClearIndicesCacheResponse,TransportBroadcastByNodeAction.EmptyResult>

Parameters:

request - the underlying request

totalShards - the total number of shards considered for execution of the operation

successfulShards - the total number of shards for which execution of the operation was successful

failedShards - the total number of shards for which execution of the operation failed

responses - the per-node aggregated shard-level results

shardFailures - the exceptions corresponding to shard operationa failures

clusterState - the cluster state

Returns:

the response

readRequestFrom

protected ClearIndicesCacheRequest readRequestFrom(StreamInput in)
                                            throws IOException

Description copied from class: TransportBroadcastByNodeAction

Deserialize a request from an input stream

Specified by:

readRequestFrom in class TransportBroadcastByNodeAction<ClearIndicesCacheRequest,ClearIndicesCacheResponse,TransportBroadcastByNodeAction.EmptyResult>

Parameters:

in - input stream

Returns:

a de-serialized request

Throws:

IOException

shardOperation

protected TransportBroadcastByNodeAction.EmptyResult shardOperation(ClearIndicesCacheRequest request,
                                                                    ShardRouting shardRouting)

Description copied from class: TransportBroadcastByNodeAction

Executes the shard-level operation. This method is called once per shard serially on the receiving node.

Specified by:

shardOperation in class TransportBroadcastByNodeAction<ClearIndicesCacheRequest,ClearIndicesCacheResponse,TransportBroadcastByNodeAction.EmptyResult>

Parameters:

request - the node-level request

shardRouting - the shard on which to execute the operation

Returns:

the result of the shard-level operation for the shard

shards

protected ShardsIterator shards(ClusterState clusterState,
                                ClearIndicesCacheRequest request,
                                String[] concreteIndices)

The refresh request works against *all* shards.

Specified by:

shards in class TransportBroadcastByNodeAction<ClearIndicesCacheRequest,ClearIndicesCacheResponse,TransportBroadcastByNodeAction.EmptyResult>

Parameters:

clusterState - the cluster state

request - the underlying request

concreteIndices - the concrete indices on which to execute the operation

Returns:

the shards on which to execute the operation

checkGlobalBlock

protected ClusterBlockException checkGlobalBlock(ClusterState state,
                                                 ClearIndicesCacheRequest request)

Description copied from class: TransportBroadcastByNodeAction

Executes a global block check before polling the cluster state.

Specified by:

checkGlobalBlock in class TransportBroadcastByNodeAction<ClearIndicesCacheRequest,ClearIndicesCacheResponse,TransportBroadcastByNodeAction.EmptyResult>

Parameters:

state - the cluster state

request - the underlying request

Returns:

a non-null exception if the operation is blocked

checkRequestBlock

protected ClusterBlockException checkRequestBlock(ClusterState state,
                                                  ClearIndicesCacheRequest request,
                                                  String[] concreteIndices)

Description copied from class: TransportBroadcastByNodeAction

Executes a global request-level check before polling the cluster state.

Specified by:

checkRequestBlock in class TransportBroadcastByNodeAction<ClearIndicesCacheRequest,ClearIndicesCacheResponse,TransportBroadcastByNodeAction.EmptyResult>

Parameters:

state - the cluster state

request - the underlying request

concreteIndices - the concrete indices on which to execute the operation

Returns:

a non-null exception if the operation if blocked