org.apache.ignite.internal.processors.hadoop

Interface HadoopHelper

All Known Implementing Classes:

HadoopNoopHelper

public interface HadoopHelper

IGFS utility processor adapter.

Method Summary

Methods

Modifier and Type	Method and Description
HadoopClassLoader	commonClassLoader() Get common Hadoop class loader.
boolean	isNoOp()
InputStream	loadClassBytes(ClassLoader ldr, String clsName)
byte[]	loadReplace(InputStream in, String originalName, String replaceName) Load special replacement and impersonate.
String	workDirectory() Get work directory.

Method Detail

isNoOp

boolean isNoOp()

Returns:

Whether this is no-op implementation.

commonClassLoader

HadoopClassLoader commonClassLoader()

Get common Hadoop class loader.

Returns:

Common Hadoop class loader.

loadReplace

byte[] loadReplace(InputStream in,
                 String originalName,
                 String replaceName)

Load special replacement and impersonate.

Parameters:

in - Input stream.

originalName - Original class name.

replaceName - Replacer class name.

Returns:

Result.

loadClassBytes

@Nullable
InputStream loadClassBytes(ClassLoader ldr,
                                  String clsName)

Parameters:

ldr - Loader.

clsName - Class.

Returns:

Input stream.

workDirectory

String workDirectory()

Get work directory.

Returns:

Work directory.