org.apache.bookkeeper.mledger.offload

Class OffloadersCache

java.lang.Object

org.apache.bookkeeper.mledger.offload.OffloadersCache

All Implemented Interfaces:

AutoCloseable

public class OffloadersCache
extends Object
implements AutoCloseable

Implementation of an Offloaders. The main purpose of this class is to ensure that an Offloaders directory is only loaded once.

Constructor Summary

Constructors

Constructor and Description
OffloadersCache()

Method Summary

Modifier and Type	Method and Description
void	close()
Offloaders	getOrLoadOffloaders(String offloadersPath, String narExtractionDirectory) Method to load an Offloaders directory or to get an already loaded Offloaders directory.

Methods inherited from class java.lang.Object

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

Constructor Detail

OffloadersCache

public OffloadersCache()

Method Detail

getOrLoadOffloaders

public Offloaders getOrLoadOffloaders(String offloadersPath,
                                      String narExtractionDirectory)

Method to load an Offloaders directory or to get an already loaded Offloaders directory.

Parameters:

offloadersPath - - the directory to search the offloaders nar files

narExtractionDirectory - - the directory to use for extraction

Returns:

the loaded offloaders class

Throws:

IOException - when fail to retrieve the pulsar offloader class

close

public void close()

Specified by:

close in interface AutoCloseable