Package org.apache.hadoop.hdfs.util

Interface Summary

Diff.Element<K>	An interface for the elements in a Diff.
Diff.Processor<E>	An interface for passing a method in order to process elements.
EnumCounters.Factory<E extends Enum<E>,C extends EnumCounters<E>>	A factory for creating counters.
RwLock	Read-write lock interface.

Class Summary

AtomicFileOutputStream	A FileOutputStream that has the property that it will only show up at its destination once it has been entirely written and flushed to disk.
DataTransferThrottler	a class to throttle the data transfers.
Diff<K,E extends Diff.Element<K>>	The difference between the current state and a previous state of a list.
Diff.Container<E>	Containing exactly one element.
Diff.UndoInfo<E>	Undo information for some operations such as delete(E) and Diff.modify(Element, Element).
EnumCounters<E extends Enum<E>>	Counters for an enum type.
EnumCounters.Map<K,E extends Enum<E>,C extends EnumCounters<E>>	A key-value map which maps the keys to EnumCounters.
Holder<T>	A Holder is simply a wrapper around some other object.
LightWeightHashSet<T>	A low memory linked hash set implementation, which uses an array for storing the elements and linked lists for collision resolution.
LightWeightLinkedSet<T>	A low memory linked hash set implementation, which uses an array for storing the elements and linked lists for collision resolution.
MD5FileUtils	Static functions for dealing with files of the same format that the Unix "md5sum" utility writes.
ReadOnlyList.Util	Utilities for ReadOnlyList
XMLUtils.Stanza	Represents a bag of key-value pairs encountered during parsing an XML file.

Enum Summary

Diff.ListType

Exception Summary

XMLUtils.InvalidXmlException	Exception that reflects an invalid XML document.
XMLUtils.UnmanglingError	Exception that reflects a string that cannot be unmangled.