org.apache.iotdb.db.query.udf.service

类 UDFClassLoaderManager

java.lang.Object

org.apache.iotdb.db.query.udf.service.UDFClassLoaderManager

所有已实现的接口:

IService

public class UDFClassLoaderManager
extends Object
implements IService

方法概要

限定符和类型	方法和说明
void	finalizeUDFQuery(long queryId)
UDFClassLoader	getActiveClassLoader()
ServiceType	getID() Get the name of the the service.
static UDFClassLoaderManager	getInstance()
void	initializeUDFQuery(long queryId)
void	start() Start current service.
void	stop() Stop current service.
UDFClassLoader	updateAndGetActiveClassLoader()

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

initializeUDFQuery

public void initializeUDFQuery(long queryId)

finalizeUDFQuery

public void finalizeUDFQuery(long queryId)

updateAndGetActiveClassLoader

public UDFClassLoader updateAndGetActiveClassLoader()
                                             throws IOException

抛出:

IOException

getActiveClassLoader

public UDFClassLoader getActiveClassLoader()

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

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

getInstance

public static UDFClassLoaderManager getInstance()