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

Class ConsumerGroupMetaSyncProcedure

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.consumer.runtime.ConsumerGroupMetaSyncProcedure

All Implemented Interfaces:

Comparable<Procedure<ConfigNodeProcedureEnv>>

public class ConsumerGroupMetaSyncProcedure
extends AbstractOperateSubscriptionProcedure

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.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
ConsumerGroupMetaSyncProcedure()

Method Summary

Modifier and Type	Method	Description
protected ProcedureLockState	acquireLock(ConfigNodeProcedureEnv configNodeProcedureEnv)	Acquire a lock, user should override it if necessary.
protected AtomicReference<SubscriptionInfo>	acquireLockInternal(ConfigNodeProcedureEnv configNodeProcedureEnv)
boolean	equals(Object o)
void	executeFromOperateOnConfigNodes(ConfigNodeProcedureEnv env)
void	executeFromOperateOnDataNodes(ConfigNodeProcedureEnv env)
boolean	executeFromValidate(ConfigNodeProcedureEnv env)
protected SubscriptionOperation	getOperation()
int	hashCode()
void	rollbackFromOperateOnConfigNodes(ConfigNodeProcedureEnv env)
void	rollbackFromOperateOnDataNodes(ConfigNodeProcedureEnv env)
void	rollbackFromValidate(ConfigNodeProcedureEnv env)
void	serialize(DataOutputStream stream)

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

executeFromState, getInitialState, getState, getStateId, pushConsumerGroupMetaHasException, pushConsumerGroupMetaToDataNodes, pushTopicMetaHasException, pushTopicMetaToDataNodes, releaseLock, rollbackState

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

addChildProcedure, deserialize, execute, getCurrentState, getCycles, isEofState, isRollbackSupported, 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

ConsumerGroupMetaSyncProcedure

public ConsumerGroupMetaSyncProcedure()

Method Details

acquireLockInternal

protected AtomicReference<SubscriptionInfo> acquireLockInternal(ConfigNodeProcedureEnv configNodeProcedureEnv)

Overrides:

acquireLockInternal in class AbstractOperateSubscriptionProcedure

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

getOperation

protected SubscriptionOperation getOperation()

Specified by:

getOperation in class AbstractOperateSubscriptionProcedure

executeFromValidate

public boolean executeFromValidate(ConfigNodeProcedureEnv env)

Specified by:

executeFromValidate in class AbstractOperateSubscriptionProcedure

executeFromOperateOnConfigNodes

public void executeFromOperateOnConfigNodes(ConfigNodeProcedureEnv env)
                                     throws SubscriptionException

Specified by:

executeFromOperateOnConfigNodes in class AbstractOperateSubscriptionProcedure

Throws:

SubscriptionException

executeFromOperateOnDataNodes

public void executeFromOperateOnDataNodes(ConfigNodeProcedureEnv env)
                                   throws SubscriptionException,
IOException

Specified by:

executeFromOperateOnDataNodes in class AbstractOperateSubscriptionProcedure

Throws:

SubscriptionException

IOException

rollbackFromValidate

public void rollbackFromValidate(ConfigNodeProcedureEnv env)

Specified by:

rollbackFromValidate in class AbstractOperateSubscriptionProcedure

rollbackFromOperateOnConfigNodes

public void rollbackFromOperateOnConfigNodes(ConfigNodeProcedureEnv env)

Specified by:

rollbackFromOperateOnConfigNodes in class AbstractOperateSubscriptionProcedure

rollbackFromOperateOnDataNodes

public void rollbackFromOperateOnDataNodes(ConfigNodeProcedureEnv env)

Specified by:

rollbackFromOperateOnDataNodes in class AbstractOperateSubscriptionProcedure

serialize

public void serialize(DataOutputStream stream)
               throws IOException

Overrides:

serialize in class StateMachineProcedure<ConfigNodeProcedureEnv,OperateSubscriptionState>

Throws:

IOException

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object