Interface | Description |
---|---|
CleanerUtil.BufferCleaner |
Pass in an implementation of this interface to cleanup ByteBuffers.
|
ExitCodeProvider |
Get the exit code of an exception.
|
GcTimeMonitor.GcTimeAlertHandler |
The user can provide an instance of a class implementing this interface
when initializing a GcTimeMonitor to receive alerts when GC time
percentage exceeds the specified threshold.
|
IdentityHashStore.Visitor<K,V> | |
IPList | |
LightWeightCache.Entry |
Entries of
LightWeightCache . |
LightWeightGSet.LinkedElement |
Elements of
LightWeightGSet . |
Progressable |
A facility for reporting progress.
|
Shell.CommandExecutor | |
Tool |
A tool interface that supports handling of generic command-line options.
|
Class | Description |
---|---|
ApplicationClassLoader |
A
URLClassLoader for application isolation. |
AutoCloseableLock |
This is a wrap class of a ReentrantLock.
|
BasicDiskValidator |
BasicDiskValidator is a wrapper around
DiskChecker . |
CacheableIPList |
CacheableIPList loads a list of subnets from a file.
|
CloseableReferenceCount |
A closeable object that maintains a reference count.
|
CombinedIPList |
Util class to stores ips/hosts/subnets.
|
CombinedIPWhiteList | |
ComparableVersion |
Generic implementation of version comparison.
|
DurationInfo |
A duration with logging of final state at info or debug
in the
close() call. |
FastNumberFormat |
Fast thread-safe version of NumberFormat
|
FileBasedIPList |
FileBasedIPList loads a list of subnets in CIDR format and ip addresses from
a file.
|
FindClass |
This entry point exists for diagnosing classloader problems:
is a class or resource present -and if so, where?
|
GcTimeMonitor |
This class monitors the percentage of time the JVM is paused in GC within
the specified observation window, say 1 minute.
|
GcTimeMonitor.Builder | |
GcTimeMonitor.GcData |
Encapsulates data about GC pauses measured at the specific timestamp.
|
HostsFileReader.HostDetails |
An atomic view of the included and excluded hosts
|
InstrumentedLock.SuppressedSnapshot |
Immutable class to capture a snapshot of suppressed log message stats.
|
LimitInputStream |
Copied from guava source code v15 (LimitedInputStream)
Guava deprecated LimitInputStream in v14 and removed it in v15.
|
MachineList |
Container class which holds a list of ip/host addresses and
answers membership queries.
|
MachineList.InetAddressFactory |
InetAddressFactory is used to obtain InetAddress from host.
|
OperationDuration |
Little duration counter.
|
Options |
This class allows generic access to variable length type-safe parameter
lists.
|
Options.BooleanOption | |
Options.ClassOption | |
Options.FSDataInputStreamOption | |
Options.FSDataOutputStreamOption | |
Options.IntegerOption | |
Options.LongOption | |
Options.PathOption | |
Options.ProgressableOption | |
Options.StringOption | |
PerformanceAdvisory | |
ProtoUtil | |
PureJavaCrc32 |
A pure-java implementation of the CRC32 checksum that uses
the same polynomial as the built-in native CRC32.
|
PureJavaCrc32C |
A pure-java implementation of the CRC32 checksum that uses
the CRC32-C polynomial, the same polynomial used by iSCSI
and implemented on many Intel chipsets supporting SSE4.2.
|
ReadWriteDiskValidator |
ReadWriteDiskValidator is the class to check a directory by to create a file,
write some bytes into it, read back, and verify if they are identical.
|
ReflectionUtils |
General reflection utils
|
Shell |
A base class for running a Shell command.
|
Shell.ShellCommandExecutor |
A simple shell command executor.
|
ShutdownHookManager |
The
ShutdownHookManager enables running shutdownHook
in a deterministic order, higher priority first. |
ShutdownThreadsHelper |
Helper class to shutdown
Thread s and ExecutorService s. |
StopWatch |
A simplified StopWatch implementation which can measure times in nanoseconds.
|
StringInterner |
Provides string interning utility methods.
|
SysInfo |
Plugin to calculate resource information on the system.
|
ThreadUtil | |
ToolRunner |
A utility to help run
Tool s. |
VersionInfo |
This class returns build information about Hadoop components.
|
Waitable<T> |
Represents an object that you can wait for.
|
Enum | Description |
---|---|
DataChecksum.Type |
The checksum types
|
Shell.OSType | |
StringUtils.TraditionalBinaryPrefix |
The traditional binary prefixes, kilo, mega, ..., exa,
which can be represented by a 64-bit integer.
|
Exception | Description |
---|---|
DiskChecker.DiskErrorException | |
DiskChecker.DiskOutOfSpaceException | |
ExitUtil.ExitException |
An exception raised when a call to
ExitUtil.terminate(int) was
called and system exits were blocked. |
ExitUtil.HaltException |
An exception raised when a call to
ExitUtil.terminate(int) was
called and system halts were blocked. |
InvalidChecksumSizeException |
Thrown when bytesPerChecksun field in the meta file is less than
or equal to 0 or type is invalid.
|
Shell.ExitCodeException |
This is an IOException with exit code added.
|
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