UDFClassLoaderManager (Node Commons 1.1.1 API)

java.lang.Object
- org.apache.iotdb.commons.udf.service.UDFClassLoaderManager

All Implemented Interfaces:: IService

public class UDFClassLoaderManager
extends java.lang.Object
implements IService

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`finalizeUDFQuery(java.lang.String queryId)`
`UDFClassLoader`	`getActiveClassLoader()`
`ServiceType`	`getID()`	Get the name of the the service.
`static UDFClassLoaderManager`	`getInstance()`
`void`	`initializeUDFQuery(java.lang.String queryId)`
`static UDFClassLoaderManager`	`setupAndGetInstance(java.lang.String libRoot)`
`void`	`start()`	Start current service.
`void`	`stop()`	Stop current service.
`UDFClassLoader`	`updateAndGetActiveClassLoader()`

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
  - initializeUDFQuery
```
public void initializeUDFQuery(java.lang.String queryId)
```
  - finalizeUDFQuery
```
public void finalizeUDFQuery(java.lang.String queryId)
```
  - updateAndGetActiveClassLoader
```
public UDFClassLoader updateAndGetActiveClassLoader()
                                             throws java.io.IOException
```
    Throws:
    
    java.io.IOException
  - getActiveClassLoader
```
public UDFClassLoader getActiveClassLoader()
```
  - start
```
public void start()
           throws StartupException
```
    Description copied from interface: IService
    
    Start current service.
    
    Specified by:
    
    start in interface IService
    
    Throws:
    
    StartupException
  - stop
```
public void stop()
```
    Description copied from interface: IService
    
    Stop current service. If current service uses thread or thread pool, current service should guarantee to putBack thread or thread pool.
    
    Specified by:
    
    stop in interface IService
  - getID
```
public ServiceType getID()
```
    Description copied from interface: IService
    
    Get the name of the the service.
    
    Specified by:
    
    getID in interface IService
    
    Returns:
    
    current service name
  - setupAndGetInstance
```
public static UDFClassLoaderManager setupAndGetInstance(java.lang.String libRoot)
```
  - getInstance
```
public static UDFClassLoaderManager getInstance()
```