Package org.apache.iotdb.confignode.procedure.impl.pipe.runtime

Class PipeHandleLeaderChangeProcedure

java.lang.Object

org.apache.iotdb.confignode.procedure.Procedure<Env>

org.apache.iotdb.confignode.procedure.impl.StateMachineProcedure<ConfigNodeProcedureEnv,TState>

org.apache.iotdb.confignode.procedure.impl.node.AbstractNodeProcedure<OperatePipeTaskState>

org.apache.iotdb.confignode.procedure.impl.pipe.AbstractOperatePipeProcedureV2

org.apache.iotdb.confignode.procedure.impl.pipe.runtime.PipeHandleLeaderChangeProcedure

All Implemented Interfaces:

Comparable<Procedure<ConfigNodeProcedureEnv>>

public class PipeHandleLeaderChangeProcedure
extends AbstractOperatePipeProcedureV2

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.iotdb.confignode.procedure.impl.StateMachineProcedure

StateMachineProcedure.Flow

Field Summary

Fields inherited from class org.apache.iotdb.confignode.procedure.impl.pipe.AbstractOperatePipeProcedureV2

isRollbackFromOperateOnDataNodesSuccessful, isRollbackFromValidateTaskSuccessful, pipeTaskInfo

Fields inherited from class org.apache.iotdb.confignode.procedure.impl.StateMachineProcedure

isGeneratedByPipe

Fields inherited from class org.apache.iotdb.confignode.procedure.Procedure

NO_PROC_ID, NO_TIMEOUT

Constructor Summary

Constructors

Constructor	Description
PipeHandleLeaderChangeProcedure()
PipeHandleLeaderChangeProcedure(Map<TConsensusGroupId,org.apache.tsfile.utils.Pair<Integer,Integer>> regionGroupToOldAndNewLeaderPairMap)

Method Summary

Modifier and Type	Method	Description
void	deserialize(ByteBuffer byteBuffer)
boolean	equals(Object o)
void	executeFromCalculateInfoForTask(ConfigNodeProcedureEnv env)	Execute at state OperatePipeTaskState.CALCULATE_INFO_FOR_TASK.
void	executeFromOperateOnDataNodes(ConfigNodeProcedureEnv env)	Execute at state OperatePipeTaskState.OPERATE_ON_DATA_NODES.
boolean	executeFromValidateTask(ConfigNodeProcedureEnv env)	Execute at state OperatePipeTaskState.VALIDATE_TASK.
void	executeFromWriteConfigNodeConsensus(ConfigNodeProcedureEnv env)	Execute at state OperatePipeTaskState.WRITE_CONFIG_NODE_CONSENSUS.‘
protected PipeTaskOperation	getOperation()
int	hashCode()
void	rollbackFromCalculateInfoForTask(ConfigNodeProcedureEnv env)
void	rollbackFromOperateOnDataNodes(ConfigNodeProcedureEnv env)
void	rollbackFromValidateTask(ConfigNodeProcedureEnv env)
void	rollbackFromWriteConfigNodeConsensus(ConfigNodeProcedureEnv env)
void	serialize(DataOutputStream stream)

Methods inherited from class org.apache.iotdb.confignode.procedure.impl.pipe.AbstractOperatePipeProcedureV2

acquireLock, acquireLockInternal, dropSinglePipeOnDataNodes, executeFromState, getInitialState, getState, getStateId, isRollbackSupported, parsePushPipeMetaExceptionForPipe, pushPipeMetaToDataNodes, pushPipeMetaToDataNodes, pushPipeMetaToDataNodesIgnoreException, pushSinglePipeMetaToDataNodes, releaseLock, rollbackState

Methods inherited from class org.apache.iotdb.confignode.procedure.impl.StateMachineProcedure

addChildProcedure, execute, getCurrentState, getCycles, isEofState, isStateDeserialized, rollback, setNextState, toStringState

Methods inherited from class org.apache.iotdb.confignode.procedure.Procedure

addStackIndex, compareTo, deserializeTypeInfoForCompatibility, doAcquireLock, doExecute, doReleaseLock, doRollback, elapsedTime, getChildrenLatch, getException, getLastUpdate, getParentProcId, getProcId, getProcType, getResult, getRootProcId, getStackIndexes, getState, getSubmittedTime, getTimeout, getTimeoutTimestamp, hasChildren, hasException, hasLock, hasParent, hasTimeout, haveSameParent, holdLock, incChildrenLatch, isFailed, isFinished, isInitializing, isLockedWhenLoading, isRunnable, isSuccess, isWaiting, isYieldAfterExecution, removeStackIndex, restoreLock, setChildrenLatch, setFailure, setFailure, setLastUpdate, setParentProcId, setProcId, setProcRunnable, setResult, setRootProcedureId, setRootProcId, setStackIndexes, setState, setSubmittedTime, setTimeout, setTimeoutFailure, toString, toStringClassDetails, toStringDetails, toStringSimpleSB, updateMetricsOnFinish, updateMetricsOnSubmit, updateTimestamp, wasExecuted

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

PipeHandleLeaderChangeProcedure

public PipeHandleLeaderChangeProcedure()

PipeHandleLeaderChangeProcedure

public PipeHandleLeaderChangeProcedure(Map<TConsensusGroupId,org.apache.tsfile.utils.Pair<Integer,Integer>> regionGroupToOldAndNewLeaderPairMap)

Method Details

getOperation

protected PipeTaskOperation getOperation()

Specified by:

getOperation in class AbstractOperatePipeProcedureV2

executeFromValidateTask

public boolean executeFromValidateTask(ConfigNodeProcedureEnv env)

Description copied from class: AbstractOperatePipeProcedureV2

Execute at state OperatePipeTaskState.VALIDATE_TASK.

Specified by:

executeFromValidateTask in class AbstractOperatePipeProcedureV2

Returns:

false if this procedure can skip subsequent stages (start RUNNING pipe or stop STOPPED pipe without runtime exception)

executeFromCalculateInfoForTask

public void executeFromCalculateInfoForTask(ConfigNodeProcedureEnv env)

Description copied from class: AbstractOperatePipeProcedureV2

Execute at state OperatePipeTaskState.CALCULATE_INFO_FOR_TASK.

Specified by:

executeFromCalculateInfoForTask in class AbstractOperatePipeProcedureV2

executeFromWriteConfigNodeConsensus

public void executeFromWriteConfigNodeConsensus(ConfigNodeProcedureEnv env)

Description copied from class: AbstractOperatePipeProcedureV2

Execute at state OperatePipeTaskState.WRITE_CONFIG_NODE_CONSENSUS.‘

Specified by:

executeFromWriteConfigNodeConsensus in class AbstractOperatePipeProcedureV2

executeFromOperateOnDataNodes

public void executeFromOperateOnDataNodes(ConfigNodeProcedureEnv env)

Description copied from class: AbstractOperatePipeProcedureV2

Execute at state OperatePipeTaskState.OPERATE_ON_DATA_NODES.

Specified by:

executeFromOperateOnDataNodes in class AbstractOperatePipeProcedureV2

rollbackFromValidateTask

public void rollbackFromValidateTask(ConfigNodeProcedureEnv env)

Specified by:

rollbackFromValidateTask in class AbstractOperatePipeProcedureV2

rollbackFromCalculateInfoForTask

public void rollbackFromCalculateInfoForTask(ConfigNodeProcedureEnv env)

Specified by:

rollbackFromCalculateInfoForTask in class AbstractOperatePipeProcedureV2

rollbackFromWriteConfigNodeConsensus

public void rollbackFromWriteConfigNodeConsensus(ConfigNodeProcedureEnv env)

Specified by:

rollbackFromWriteConfigNodeConsensus in class AbstractOperatePipeProcedureV2

rollbackFromOperateOnDataNodes

public void rollbackFromOperateOnDataNodes(ConfigNodeProcedureEnv env)

Specified by:

rollbackFromOperateOnDataNodes in class AbstractOperatePipeProcedureV2

serialize

public void serialize(DataOutputStream stream)
               throws IOException

Overrides:

serialize in class AbstractOperatePipeProcedureV2

Throws:

IOException

deserialize

public void deserialize(ByteBuffer byteBuffer)

Overrides:

deserialize in class AbstractOperatePipeProcedureV2

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object