Package org.apache.pulsar.functions.utils.functioncache

Class FunctionCacheManagerImpl

java.lang.Object

org.apache.pulsar.functions.utils.functioncache.FunctionCacheManagerImpl

All Implemented Interfaces:

AutoCloseable, FunctionCacheManager

public class FunctionCacheManagerImpl
extends Object
implements FunctionCacheManager

An implementation of FunctionCacheManager.

Constructor Summary

Constructors

Constructor	Description
FunctionCacheManagerImpl(ClassLoader rootClassLoader)

Method Summary

Modifier and Type	Method	Description
void	close()	Close the cache manager to release created class loaders.
ClassLoader	getClassLoader(String fid)	Returns the function code class loader associated with id.
void	registerFunctionInstance(String fid, String eid, List<String> requiredJarFiles, List<URL> requiredClasspaths)
void	registerFunctionInstanceWithArchive(String fid, String eid, String narArchive, String narExtractionDirectory)
void	unregisterFunctionInstance(String fid, String eid)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.pulsar.functions.utils.functioncache.FunctionCacheManager

registerFunction, unregisterFunction

Constructor Details

FunctionCacheManagerImpl

public FunctionCacheManagerImpl(ClassLoader rootClassLoader)

Method Details

getClassLoader

public ClassLoader getClassLoader(String fid)

Description copied from interface: FunctionCacheManager

Returns the function code class loader associated with id.

Specified by:

getClassLoader in interface FunctionCacheManager

Parameters:

fid - function id

Returns:

class loader which can load the function code.

registerFunctionInstance

public void registerFunctionInstance(String fid,
 String eid,
 List<String> requiredJarFiles,
 List<URL> requiredClasspaths)
                              throws IOException

Specified by:

registerFunctionInstance in interface FunctionCacheManager

Throws:

IOException

registerFunctionInstanceWithArchive

public void registerFunctionInstanceWithArchive(String fid,
 String eid,
 String narArchive,
 String narExtractionDirectory)
                                         throws IOException

Specified by:

registerFunctionInstanceWithArchive in interface FunctionCacheManager

Throws:

IOException

unregisterFunctionInstance

public void unregisterFunctionInstance(String fid,
 String eid)

Specified by:

unregisterFunctionInstance in interface FunctionCacheManager

close

public void close()

Description copied from interface: FunctionCacheManager

Close the cache manager to release created class loaders.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface FunctionCacheManager