Package org.apache.iotdb.confignode.procedure.impl.schema

Class DataNodeRegionTaskExecutor<Q,R>

java.lang.Object

org.apache.iotdb.confignode.procedure.impl.schema.DataNodeRegionTaskExecutor<Q,R>

public abstract class DataNodeRegionTaskExecutor<Q,R>
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected final ConfigManager	configManager
protected final BiFunction<TDataNodeLocation,List<TConsensusGroupId>,Q>	dataNodeRequestGenerator
protected final CnToDnAsyncRequestType	dataNodeRequestType
protected final boolean	executeOnAllReplicaset
protected final Map<TConsensusGroupId,TRegionReplicaSet>	targetRegionGroup

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DataNodeRegionTaskExecutor(ConfigManager configManager, Map<TConsensusGroupId,TRegionReplicaSet> targetRegionGroup, boolean executeOnAllReplicaset, CnToDnAsyncRequestType dataNodeRequestType, BiFunction<TDataNodeLocation,List<TConsensusGroupId>,Q> dataNodeRequestGenerator)
protected	DataNodeRegionTaskExecutor(ConfigNodeProcedureEnv env, Map<TConsensusGroupId,TRegionReplicaSet> targetRegionGroup, boolean executeOnAllReplicaset, CnToDnAsyncRequestType dataNodeRequestType, BiFunction<TDataNodeLocation,List<TConsensusGroupId>,Q> dataNodeRequestGenerator)

Method Summary

Modifier and Type	Method	Description
protected final void	interruptTask()
protected abstract void	onAllReplicasetFailure(TConsensusGroupId consensusGroupId, Set<TDataNodeLocation> dataNodeLocationSet)	When all replicas failed on executing given task, the process defined by subclass will be executed.
protected abstract List<TConsensusGroupId>	processResponseOfOneDataNode(TDataNodeLocation dataNodeLocation, List<TConsensusGroupId> consensusGroupIdList, R response)	The subclass could process response of given DataNode and should return the group id of region with execution failure.

Methods inherited from class java.lang.Object

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

Field Details

configManager

protected final ConfigManager configManager

targetRegionGroup

protected final Map<TConsensusGroupId,TRegionReplicaSet> targetRegionGroup

executeOnAllReplicaset

protected final boolean executeOnAllReplicaset

dataNodeRequestType

protected final CnToDnAsyncRequestType dataNodeRequestType

dataNodeRequestGenerator

protected final BiFunction<TDataNodeLocation,List<TConsensusGroupId>,Q> dataNodeRequestGenerator

Constructor Details

DataNodeRegionTaskExecutor

protected DataNodeRegionTaskExecutor(ConfigManager configManager,
 Map<TConsensusGroupId,TRegionReplicaSet> targetRegionGroup,
 boolean executeOnAllReplicaset,
 CnToDnAsyncRequestType dataNodeRequestType,
 BiFunction<TDataNodeLocation,List<TConsensusGroupId>,Q> dataNodeRequestGenerator)

DataNodeRegionTaskExecutor

protected DataNodeRegionTaskExecutor(ConfigNodeProcedureEnv env,
 Map<TConsensusGroupId,TRegionReplicaSet> targetRegionGroup,
 boolean executeOnAllReplicaset,
 CnToDnAsyncRequestType dataNodeRequestType,
 BiFunction<TDataNodeLocation,List<TConsensusGroupId>,Q> dataNodeRequestGenerator)

Method Details

interruptTask

protected final void interruptTask()

processResponseOfOneDataNode

protected abstract List<TConsensusGroupId> processResponseOfOneDataNode(TDataNodeLocation dataNodeLocation,
 List<TConsensusGroupId> consensusGroupIdList,
 R response)

The subclass could process response of given DataNode and should return the group id of region with execution failure.

onAllReplicasetFailure

protected abstract void onAllReplicasetFailure(TConsensusGroupId consensusGroupId,
 Set<TDataNodeLocation> dataNodeLocationSet)

When all replicas failed on executing given task, the process defined by subclass will be executed.