org.apache.iotdb.db.engine.cq

类 ContinuousQueryService

java.lang.Object

org.apache.iotdb.db.engine.cq.ContinuousQueryService

所有已实现的接口:

IService

public class ContinuousQueryService
extends Object
implements IService

方法概要

限定符和类型	方法和说明
void	acquireRegistrationLock()
boolean	deregister(DropContinuousQueryPlan plan, boolean shouldWriteLog)
void	deregisterAll()
void	doRecovery()
ServiceType	getID() Get the name of the the service.
static ContinuousQueryService	getInstance()
List<ShowContinuousQueriesResult>	getShowContinuousQueriesResultList()
boolean	register(CreateContinuousQueryPlan plan, boolean shouldWriteLog)
void	releaseRegistrationLock()
void	start() Start current service.
void	stop() Stop current service.

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.iotdb.db.service.IService

shutdown, waitAndStop

方法详细资料

doRecovery

public void doRecovery()
                throws StartupException

抛出:

StartupException

getID

public ServiceType getID()

从接口复制的说明: IService

Get the name of the the service.

指定者:

getID 在接口中 IService

返回:

current service name

start

public void start()
           throws StartupException

从接口复制的说明: IService

Start current service.

指定者:

start 在接口中 IService

抛出:

StartupException

stop

public void stop()

从接口复制的说明: IService

Stop current service. If current service uses thread or thread pool, current service should guarantee to putBack thread or thread pool.

指定者:

stop 在接口中 IService

acquireRegistrationLock

public void acquireRegistrationLock()

releaseRegistrationLock

public void releaseRegistrationLock()

register

public boolean register(CreateContinuousQueryPlan plan,
                        boolean shouldWriteLog)
                 throws ContinuousQueryException

抛出:

ContinuousQueryException

deregisterAll

public void deregisterAll()
                   throws ContinuousQueryException

抛出:

ContinuousQueryException

deregister

public boolean deregister(DropContinuousQueryPlan plan,
                          boolean shouldWriteLog)
                   throws ContinuousQueryException

抛出:

ContinuousQueryException

getShowContinuousQueriesResultList

public List<ShowContinuousQueriesResult> getShowContinuousQueriesResultList()

getInstance

public static ContinuousQueryService getInstance()