Package org.apache.iotdb.db.engine.cq

Class ContinuousQueryService

java.lang.Object

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

All Implemented Interfaces:

org.apache.iotdb.commons.service.IService

public class ContinuousQueryService
extends java.lang.Object
implements org.apache.iotdb.commons.service.IService

Method Summary

Modifier and Type	Method	Description
void	acquireRegistrationLock()
boolean	deregister(DropContinuousQueryPlan plan, boolean shouldWriteLog)
void	deregisterAll()
void	doRecovery()
org.apache.iotdb.commons.service.ServiceType	getID()
static ContinuousQueryService	getInstance()
java.util.List<ShowContinuousQueriesResult>	getShowContinuousQueriesResultList()
boolean	register(CreateContinuousQueryPlan plan, boolean shouldWriteLog)
void	releaseRegistrationLock()
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.iotdb.commons.service.IService

shutdown, waitAndStop

Method Detail

doRecovery

public void doRecovery()
                throws org.apache.iotdb.commons.exception.StartupException

Throws:

org.apache.iotdb.commons.exception.StartupException

getID

public org.apache.iotdb.commons.service.ServiceType getID()

Specified by:

getID in interface org.apache.iotdb.commons.service.IService

start

public void start()
           throws org.apache.iotdb.commons.exception.StartupException

Specified by:

start in interface org.apache.iotdb.commons.service.IService

Throws:

org.apache.iotdb.commons.exception.StartupException

stop

public void stop()

Specified by:

stop in interface org.apache.iotdb.commons.service.IService

acquireRegistrationLock

public void acquireRegistrationLock()

releaseRegistrationLock

public void releaseRegistrationLock()

register

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

Throws:

ContinuousQueryException

deregisterAll

public void deregisterAll()
                   throws ContinuousQueryException

Throws:

ContinuousQueryException

deregister

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

Throws:

ContinuousQueryException

getShowContinuousQueriesResultList

public java.util.List<ShowContinuousQueriesResult> getShowContinuousQueriesResultList()

getInstance

public static ContinuousQueryService getInstance()