Package org.elasticsearch.action.support.nodes

Class TransportNodesAction<NodesRequest extends BaseNodesRequest<NodesRequest>,NodesResponse extends BaseNodesResponse,NodeRequest extends BaseNodeRequest,NodeResponse extends BaseNodeResponse>

java.lang.Object

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

org.elasticsearch.action.support.HandledTransportAction<NodesRequest,NodesResponse>

org.elasticsearch.action.support.nodes.TransportNodesAction<NodesRequest,NodesResponse,NodeRequest,NodeResponse>

Direct Known Subclasses:

TransportClusterStatsAction, TransportFindDanglingIndexAction, TransportListDanglingIndicesAction, TransportNodesHotThreadsAction, TransportNodesInfoAction, TransportNodesListGatewayMetaState, TransportNodesListGatewayStartedShards, TransportNodesListShardStoreMetadata, TransportNodesReloadSecureSettingsAction, TransportNodesSnapshotsStatus, TransportNodesStatsAction, TransportNodesUsageAction

public abstract class TransportNodesAction<NodesRequest extends BaseNodesRequest<NodesRequest>,NodesResponse extends BaseNodesResponse,NodeRequest extends BaseNodeRequest,NodeResponse extends BaseNodeResponse>
extends HandledTransportAction<NodesRequest,NodesResponse>

Field Summary

Fields

Modifier and Type	Field	Description
protected ClusterService	clusterService
protected java.lang.Class<NodeResponse>	nodeResponseClass
protected ThreadPool	threadPool
protected java.lang.String	transportNodeAction
protected TransportService	transportService

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

actionName, logger, taskManager

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TransportNodesAction(java.lang.String actionName, ThreadPool threadPool, ClusterService clusterService, TransportService transportService, ActionFilters actionFilters, Writeable.Reader<NodesRequest> request, Writeable.Reader<NodeRequest> nodeRequest, java.lang.String nodeExecutor, java.lang.Class<NodeResponse> nodeResponseClass)

Method Summary

Modifier and Type	Method	Description
protected void	doExecute(Task task, NodesRequest request, ActionListener<NodesResponse> listener)
protected java.lang.String	getTransportNodeAction(DiscoveryNode node)	Get a backwards compatible transport action name
protected abstract NodeRequest	newNodeRequest(NodesRequest request)
protected abstract NodeResponse	newNodeResponse(StreamInput in)
protected NodesResponse	newResponse(NodesRequest request, java.util.concurrent.atomic.AtomicReferenceArray<?> nodesResponses)	Map the responses into nodeResponseClass responses and FailedNodeExceptions.
protected abstract NodesResponse	newResponse(NodesRequest request, java.util.List<NodeResponse> responses, java.util.List<FailedNodeException> failures)	Create a new TransportNodesAction (multi-node response).
protected abstract NodeResponse	nodeOperation(NodeRequest request)
protected NodeResponse	nodeOperation(NodeRequest request, Task task)
protected void	resolveRequest(NodesRequest request, ClusterState clusterState)	resolve node ids to concrete nodes of the incoming request

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

execute, execute, execute

Methods inherited from class java.lang.Object

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

Field Details

threadPool

protected final ThreadPool threadPool

clusterService

protected final ClusterService clusterService

transportService

protected final TransportService transportService

nodeResponseClass

protected final java.lang.Class<NodeResponse extends BaseNodeResponse> nodeResponseClass

transportNodeAction

protected final java.lang.String transportNodeAction

Constructor Details

TransportNodesAction

protected TransportNodesAction(java.lang.String actionName, ThreadPool threadPool, ClusterService clusterService, TransportService transportService, ActionFilters actionFilters, Writeable.Reader<NodesRequest> request, Writeable.Reader<NodeRequest> nodeRequest, java.lang.String nodeExecutor, java.lang.Class<NodeResponse> nodeResponseClass)

Method Details

doExecute

protected void doExecute(Task task, NodesRequest request, ActionListener<NodesResponse> listener)

Specified by:

doExecute in class TransportAction<NodesRequest extends BaseNodesRequest<NodesRequest>,NodesResponse extends BaseNodesResponse>

newResponse

protected NodesResponse newResponse(NodesRequest request, java.util.concurrent.atomic.AtomicReferenceArray<?> nodesResponses)

Map the responses into nodeResponseClass responses and FailedNodeExceptions.

Parameters:

request - The associated request.

nodesResponses - All node-level responses

Returns:

Never null.

Throws:

java.lang.NullPointerException - if nodesResponses is null

See Also:

newResponse(BaseNodesRequest, List, List)

newResponse

protected abstract NodesResponse newResponse(NodesRequest request, java.util.List<NodeResponse> responses, java.util.List<FailedNodeException> failures)

Create a new TransportNodesAction (multi-node response).

Parameters:

request - The associated request.

responses - All successful node-level responses.

failures - All node-level failures.

Returns:

Never null.

Throws:

java.lang.NullPointerException - if any parameter is null.

newNodeRequest

protected abstract NodeRequest newNodeRequest(NodesRequest request)

newNodeResponse

protected abstract NodeResponse newNodeResponse(StreamInput in) throws java.io.IOException

Throws:

java.io.IOException

nodeOperation

protected abstract NodeResponse nodeOperation(NodeRequest request)

nodeOperation

protected NodeResponse nodeOperation(NodeRequest request, Task task)

resolveRequest

protected void resolveRequest(NodesRequest request, ClusterState clusterState)

resolve node ids to concrete nodes of the incoming request

getTransportNodeAction

protected java.lang.String getTransportNodeAction(DiscoveryNode node)

Get a backwards compatible transport action name