alluxio.jnifuse.utils

Class NativeLibraryLoader

java.lang.Object

alluxio.jnifuse.utils.NativeLibraryLoader

public class NativeLibraryLoader
extends Object

This class is used to load the shared library from within the jar. The shared library is extracted to a temp folder and loaded from there.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NativeLibraryLoader.LoadState

Method Summary

Modifier and Type	Method and Description
static NativeLibraryLoader	getInstance() Get a reference to the NativeLibraryLoader.
static NativeLibraryLoader.LoadState	getLoadState()
void	loadLibrary(LibfuseVersion version, String tmpDir) Load the library.

Methods inherited from class java.lang.Object

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

Method Detail

getLoadState

public static NativeLibraryLoader.LoadState getLoadState()

Returns:

the load state

getInstance

public static NativeLibraryLoader getInstance()

Get a reference to the NativeLibraryLoader.

Returns:

The NativeLibraryLoader

loadLibrary

public void loadLibrary(LibfuseVersion version,
                        String tmpDir)
                 throws IOException

Load the library.

Parameters:

version - the version of libfuse to load

tmpDir - A temporary directory to use to copy the native library to when loading from the classpath. If null, or the empty string, we rely on Java's File.createTempFile(String, String) function to provide a temporary location. The temporary file will be registered for deletion on exit.

Throws:

IOException - if a filesystem operation fails