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

Class AlterConsumerGroupProcedure

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.AlterConsumerGroupProcedure

All Implemented Interfaces:

Comparable<Procedure<ConfigNodeProcedureEnv>>

Direct Known Subclasses:

CreateConsumerProcedure, DropConsumerProcedure

public class AlterConsumerGroupProcedure
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 ConsumerGroupMeta	existingConsumerGroupMeta
protected static final org.slf4j.Logger	LOGGER
protected ConsumerGroupMeta	updatedConsumerGroupMeta

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
AlterConsumerGroupProcedure()
AlterConsumerGroupProcedure(ConsumerGroupMeta updatedConsumerGroupMeta)
AlterConsumerGroupProcedure(ConsumerGroupMeta updatedConsumerGroupMeta, AtomicReference<SubscriptionInfo> subscriptionInfo)	This is only used when the subscription info lock is held by another procedure.

Method Summary

Modifier and Type	Method	Description
void	deserialize(ByteBuffer byteBuffer)
boolean	equals(Object o)
void	executeFromOperateOnConfigNodes(ConfigNodeProcedureEnv env)
void	executeFromOperateOnDataNodes(ConfigNodeProcedureEnv env)
boolean	executeFromValidate(ConfigNodeProcedureEnv env)
ConsumerGroupMeta	getExistingConsumerGroupMeta()
protected SubscriptionOperation	getOperation()
ConsumerGroupMeta	getUpdatedConsumerGroupMeta()
int	hashCode()
void	rollbackFromOperateOnConfigNodes(ConfigNodeProcedureEnv env)
void	rollbackFromOperateOnDataNodes(ConfigNodeProcedureEnv env)
void	rollbackFromValidate(ConfigNodeProcedureEnv env)
void	serialize(DataOutputStream stream)
void	setExistingConsumerGroupMeta(ConsumerGroupMeta meta)
void	setUpdatedConsumerGroupMeta(ConsumerGroupMeta meta)
protected void	validateAndGetOldAndNewMeta(ConfigNodeProcedureEnv env)

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

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

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

addChildProcedure, 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

Field Details

LOGGER

protected static final org.slf4j.Logger LOGGER

existingConsumerGroupMeta

protected ConsumerGroupMeta existingConsumerGroupMeta

updatedConsumerGroupMeta

protected ConsumerGroupMeta updatedConsumerGroupMeta

Constructor Details

AlterConsumerGroupProcedure

public AlterConsumerGroupProcedure()

AlterConsumerGroupProcedure

public AlterConsumerGroupProcedure(ConsumerGroupMeta updatedConsumerGroupMeta)

AlterConsumerGroupProcedure

public AlterConsumerGroupProcedure(ConsumerGroupMeta updatedConsumerGroupMeta,
 AtomicReference<SubscriptionInfo> subscriptionInfo)

This is only used when the subscription info lock is held by another procedure.

Method Details

getOperation

protected SubscriptionOperation getOperation()

Specified by:

getOperation in class AbstractOperateSubscriptionProcedure

executeFromValidate

public boolean executeFromValidate(ConfigNodeProcedureEnv env)
                            throws SubscriptionException

Specified by:

executeFromValidate in class AbstractOperateSubscriptionProcedure

Throws:

SubscriptionException

validateAndGetOldAndNewMeta

protected void validateAndGetOldAndNewMeta(ConfigNodeProcedureEnv env)

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)
                                      throws SubscriptionException

Specified by:

rollbackFromOperateOnConfigNodes in class AbstractOperateSubscriptionProcedure

Throws:

SubscriptionException

rollbackFromOperateOnDataNodes

public void rollbackFromOperateOnDataNodes(ConfigNodeProcedureEnv env)
                                    throws SubscriptionException,
IOException

Specified by:

rollbackFromOperateOnDataNodes in class AbstractOperateSubscriptionProcedure

Throws:

SubscriptionException

IOException

serialize

public void serialize(DataOutputStream stream)
               throws IOException

Overrides:

serialize in class StateMachineProcedure<ConfigNodeProcedureEnv,OperateSubscriptionState>

Throws:

IOException

deserialize

public void deserialize(ByteBuffer byteBuffer)

Overrides:

deserialize in class StateMachineProcedure<ConfigNodeProcedureEnv,OperateSubscriptionState>

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

setExistingConsumerGroupMeta

public void setExistingConsumerGroupMeta(ConsumerGroupMeta meta)

getExistingConsumerGroupMeta

public ConsumerGroupMeta getExistingConsumerGroupMeta()

setUpdatedConsumerGroupMeta

public void setUpdatedConsumerGroupMeta(ConsumerGroupMeta meta)

getUpdatedConsumerGroupMeta

public ConsumerGroupMeta getUpdatedConsumerGroupMeta()