Package org.apache.flink.core.fs

Class PluginFileSystemFactory

java.lang.Object

org.apache.flink.core.fs.PluginFileSystemFactory

All Implemented Interfaces:

FileSystemFactory, Plugin

public class PluginFileSystemFactory
extends Object
implements FileSystemFactory

A wrapper around FileSystemFactory that ensures the plugin classloader is used for all FileSystem operations.

Method Summary

Modifier and Type	Method	Description
void	configure(Configuration config)	Optional method for plugins to pick up settings from the configuration.
FileSystem	create(URI fsUri)	Creates a new file system for the given file system URI.
ClassLoader	getClassLoader()	Helper method to get the class loader used to load the plugin.
String	getScheme()	Gets the scheme of the file system created by this factory.
static PluginFileSystemFactory	of(FileSystemFactory inner)
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

of

public static PluginFileSystemFactory of(FileSystemFactory inner)

getScheme

public String getScheme()

Description copied from interface: FileSystemFactory

Gets the scheme of the file system created by this factory.

Specified by:

getScheme in interface FileSystemFactory

getClassLoader

public ClassLoader getClassLoader()

Description copied from interface: Plugin

Helper method to get the class loader used to load the plugin. This may be needed for some plugins that use dynamic class loading afterwards the plugin was loaded.

Specified by:

getClassLoader in interface Plugin

Returns:

the class loader used to load the plugin.

configure

public void configure(Configuration config)

Description copied from interface: Plugin

Optional method for plugins to pick up settings from the configuration.

Specified by:

configure in interface Plugin

Parameters:

config - The configuration to apply to the plugin.

create

public FileSystem create(URI fsUri)
                  throws IOException

Description copied from interface: FileSystemFactory

Creates a new file system for the given file system URI. The URI describes the type of file system (via its scheme) and optionally the authority (for example the host) of the file system.

Specified by:

create in interface FileSystemFactory

Parameters:

fsUri - The URI that describes the file system.

Returns:

A new instance of the specified file system.

Throws:

IOException - Thrown if the file system could not be instantiated.

toString

public String toString()

Overrides:

toString in class Object