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

Class AbstractOperateSubscriptionAndPipeProcedure

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<OperateSubscriptionState>

org.apache.iotdb.confignode.procedure.impl.subscription.AbstractOperateSubscriptionProcedure

org.apache.iotdb.confignode.procedure.impl.subscription.subscription.AbstractOperateSubscriptionAndPipeProcedure

All Implemented Interfaces:

Comparable<Procedure<ConfigNodeProcedureEnv>>

Direct Known Subclasses:

CreateSubscriptionProcedure, DropSubscriptionProcedure

public abstract class AbstractOperateSubscriptionAndPipeProcedure
extends AbstractOperateSubscriptionProcedure

Nested Class Summary

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

StateMachineProcedure.Flow

Field Summary

Fields

Modifier and Type	Field	Description
protected AtomicReference<PipeTaskInfo>	pipeTaskInfo

Fields inherited from class org.apache.iotdb.confignode.procedure.impl.subscription.AbstractOperateSubscriptionProcedure

isRollbackFromOperateOnDataNodesSuccessful, isRollbackFromValidateSuccessful, subscriptionInfo

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
AbstractOperateSubscriptionAndPipeProcedure()

Method Summary

Modifier and Type	Method	Description
protected ProcedureLockState	acquireLock(ConfigNodeProcedureEnv configNodeProcedureEnv)	Acquire a lock, user should override it if necessary.
protected Map<Integer,TPushPipeMetaResp>	dropMultiPipeOnDataNodes(List<String> pipeNames, ConfigNodeProcedureEnv env)	Drop multiple pipes on all the dataNodes.
protected Map<Integer,TPushPipeMetaResp>	pushMultiPipeMetaToDataNodes(List<String> pipeNames, ConfigNodeProcedureEnv env)	Pushing multiple pipeMetas to all the dataNodes, forcing an update to the pipes' runtime state.
protected void	releaseLock(ConfigNodeProcedureEnv configNodeProcedureEnv)	Release a lock, user should override it if necessary.

Methods inherited from class org.apache.iotdb.confignode.procedure.impl.subscription.AbstractOperateSubscriptionProcedure

acquireLockInternal, executeFromOperateOnConfigNodes, executeFromOperateOnDataNodes, executeFromState, executeFromValidate, getInitialState, getOperation, getState, getStateId, pushConsumerGroupMetaHasException, pushConsumerGroupMetaToDataNodes, pushTopicMetaHasException, pushTopicMetaToDataNodes, rollbackFromOperateOnConfigNodes, rollbackFromOperateOnDataNodes, rollbackFromValidate, rollbackState

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

addChildProcedure, deserialize, execute, getCurrentState, getCycles, isEofState, isRollbackSupported, isStateDeserialized, rollback, serialize, 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, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

pipeTaskInfo

protected AtomicReference<PipeTaskInfo> pipeTaskInfo

Constructor Details

AbstractOperateSubscriptionAndPipeProcedure

public AbstractOperateSubscriptionAndPipeProcedure()

Method Details

acquireLock

protected ProcedureLockState acquireLock(ConfigNodeProcedureEnv configNodeProcedureEnv)

Description copied from class: Procedure

Acquire a lock, user should override it if necessary.

Overrides:

acquireLock in class AbstractOperateSubscriptionProcedure

Parameters:

configNodeProcedureEnv - environment

Returns:

state of lock

releaseLock

protected void releaseLock(ConfigNodeProcedureEnv configNodeProcedureEnv)

Description copied from class: Procedure

Release a lock, user should override it if necessary.

Overrides:

releaseLock in class AbstractOperateSubscriptionProcedure

Parameters:

configNodeProcedureEnv - env

pushMultiPipeMetaToDataNodes

protected Map<Integer,TPushPipeMetaResp> pushMultiPipeMetaToDataNodes(List<String> pipeNames,
 ConfigNodeProcedureEnv env)
                                                               throws IOException

Pushing multiple pipeMetas to all the dataNodes, forcing an update to the pipes' runtime state.

Parameters:

pipeNames - pipe names of the pipes to push

env - ConfigNodeProcedureEnv

Returns:

The responseMap after pushing pipe meta

Throws:

IOException - Exception when Serializing to byte buffer

dropMultiPipeOnDataNodes

protected Map<Integer,TPushPipeMetaResp> dropMultiPipeOnDataNodes(List<String> pipeNames,
 ConfigNodeProcedureEnv env)

Drop multiple pipes on all the dataNodes.

Parameters:

pipeNames - pipe names of the pipes to drop

env - ConfigNodeProcedureEnv

Returns:

The responseMap after pushing pipe meta