org.apache.flink.runtime.execution.librarycache

Class FallbackLibraryCacheManager

java.lang.Object

org.apache.flink.runtime.execution.librarycache.FallbackLibraryCacheManager

All Implemented Interfaces:

LibraryCacheManager

public class FallbackLibraryCacheManager
extends Object
implements LibraryCacheManager

Constructor Summary

Constructors

Constructor and Description
FallbackLibraryCacheManager()

Method Summary

Modifier and Type	Method and Description
ClassLoader	getClassLoader(JobID id) Returns the user code class loader associated with id.
File	getFile(BlobKey blobKey) Returns a file handle to the file identified by the blob key.
void	register(JobID id, Collection<BlobKey> requiredJarFiles) Registers a job with its required jar files.
void	shutdown() Shutdown method
void	unregister(JobID id) Unregisters a job from the library cache manager.

Methods inherited from class java.lang.Object

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

Constructor Detail

FallbackLibraryCacheManager

public FallbackLibraryCacheManager()

Method Detail

getClassLoader

public ClassLoader getClassLoader(JobID id)

Description copied from interface: LibraryCacheManager

Returns the user code class loader associated with id.

Specified by:

getClassLoader in interface LibraryCacheManager

Parameters:

id - identifying the job

Returns:

ClassLoader which can load the user code

getFile

public File getFile(BlobKey blobKey)
             throws IOException

Description copied from interface: LibraryCacheManager

Returns a file handle to the file identified by the blob key.

Specified by:

getFile in interface LibraryCacheManager

Parameters:

blobKey - identifying the requested file

Returns:

File handle

Throws:

IOException

register

public void register(JobID id,
                     Collection<BlobKey> requiredJarFiles)
              throws IOException

Description copied from interface: LibraryCacheManager

Registers a job with its required jar files. The jar files are identified by their blob keys.

Specified by:

register in interface LibraryCacheManager

Parameters:

id - job ID

requiredJarFiles - collection of blob keys identifying the required jar files

Throws:

IOException

unregister

public void unregister(JobID id)

Description copied from interface: LibraryCacheManager

Unregisters a job from the library cache manager.

Specified by:

unregister in interface LibraryCacheManager

Parameters:

id - job ID

shutdown

public void shutdown()

Description copied from interface: LibraryCacheManager

Shutdown method

Specified by:

shutdown in interface LibraryCacheManager