Interface | Description |
---|---|
IndexedSortable |
Interface for collections capable of being sorted by
IndexedSorter
algorithms. |
IndexedSorter |
Interface for sort algorithms accepting
IndexedSortable items. |
Progressable |
A facility for reporting progress.
|
Tool |
A tool interface that supports handling of generic command-line options.
|
Class | Description |
---|---|
CyclicIteration<K,V> |
Provide an cyclic
Iterator for a NavigableMap . |
Daemon |
A thread that has called
Thread.setDaemon(boolean) with true. |
DataChecksum |
This class provides inteface and utilities for processing checksums for
DFS data transfers.
|
DiskChecker |
Class that provides utility functions for checking disk problem
|
GenericOptionsParser |
GenericOptionsParser is a utility to parse command line
arguments generic to the Hadoop framework. |
GenericsUtil |
Contains utility methods for dealing with Java Generics.
|
HeapSort |
An implementation of the core algorithm of HeapSort.
|
HostsFileReader | |
LineReader |
A class that provides a line reader from an input stream.
|
LinuxMemoryCalculatorPlugin |
Plugin to calculate virtual and physical memories on Linux systems.
|
MemoryCalculatorPlugin |
Plugin to calculate virtual and physical memories on the system.
|
MergeSort |
An implementation of the core algorithm of MergeSort.
|
NativeCodeLoader |
A helper to load the native hadoop code i.e.
|
PlatformName |
A helper class for getting build-info of the java-vm.
|
PrintJarMainClass |
A micro-application that prints the main class name out of a jar file.
|
PriorityQueue<T> |
A PriorityQueue maintains a partial ordering of its elements such that the
least element can always be found in constant time.
|
ProcfsBasedProcessTree |
A Proc file-system based ProcessTree.
|
ProgramDriver |
A driver that is used to run programs added to it
|
Progress |
Utility to assist with generation of progress reports.
|
QuickSort |
An implementation of the core algorithm of QuickSort.
|
ReflectionUtils |
General reflection utils
|
RunJar |
Run a Hadoop job jar.
|
ServletUtil | |
Shell |
A base class for running a Unix command.
|
Shell.ShellCommandExecutor |
A simple shell command executor.
|
StringUtils |
General string utils
|
ToolRunner |
A utility to help run
Tool s. |
UTF8ByteArrayUtils | |
VersionInfo |
This class finds the package info for Hadoop and the HadoopVersionAnnotation
information.
|
XMLUtils |
General xml utilities.
|
Enum | Description |
---|---|
StringUtils.TraditionalBinaryPrefix |
The traditional binary prefixes, kilo, mega, ..., exa,
which can be represented by a 64-bit integer.
|
Exception | Description |
---|---|
DiskChecker.DiskErrorException | |
DiskChecker.DiskOutOfSpaceException | |
Shell.ExitCodeException |
This is an IOException with exit code added.
|
Copyright © 2010 The Apache Software Foundation