Uses of Package
org.apache.hadoop.io

Packages that use org.apache.hadoop.io
org.apache.hadoop.contrib.utils.join   
org.apache.hadoop.dfs A distributed implementation of FileSystem
org.apache.hadoop.examples Hadoop example code. 
org.apache.hadoop.examples.dancing This package is a distributed implementation of Knuth's dancing links algorithm that can run under Hadoop. 
org.apache.hadoop.fs An abstract file system API. 
org.apache.hadoop.hbase Provides HBase, the Hadoop simple database. 
org.apache.hadoop.hbase.filter   
org.apache.hadoop.hbase.io   
org.apache.hadoop.hbase.mapred   
org.apache.hadoop.hbase.shell   
org.apache.hadoop.hbase.util   
org.apache.hadoop.io Generic i/o code for use when reading and writing data to the network, to databases, and to files. 
org.apache.hadoop.ipc Tools to help define network clients and servers. 
org.apache.hadoop.mapred A software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) parallelly on large clusters (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant manner. 
org.apache.hadoop.mapred.lib Library of generally useful mappers, reducers, and partitioners. 
org.apache.hadoop.mapred.lib.aggregate Classes for performing various counting and aggregations. 
org.apache.hadoop.record Hadoop record I/O contains classes and a record description language translator for simplifying serialization and deserialization of records in a language-neutral manner. 
org.apache.hadoop.streaming Hadoop Streaming is a utility which allows users to create and run Map-Reduce jobs with any executables (e.g. 
org.apache.hadoop.tools   
org.apache.hadoop.util Common utilities. 
org.onelab.filter   
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.contrib.utils.join
Closeable
          That which can be closed.
Text
          This class stores text using standard UTF8 encoding.
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable
          A Writable which is also Comparable.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.dfs
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable
          A Writable which is also Comparable.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.examples
Closeable
          That which can be closed.
IntWritable
          A WritableComparable for ints.
LongWritable
          A WritableComparable for longs.
Text
          This class stores text using standard UTF8 encoding.
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable
          A Writable which is also Comparable.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.examples.dancing
Closeable
          That which can be closed.
Text
          This class stores text using standard UTF8 encoding.
WritableComparable
          A Writable which is also Comparable.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.fs
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.hbase
DataInputBuffer
          A reusable DataInput implementation that reads from an in-memory buffer.
DataOutputBuffer
          A reusable DataOutput implementation that writes to an in-memory buffer.
MapFile.Reader
          Provide access to an existing map.
MapFile.Writer
          Writes a new map.
MapWritable
          A Writable Map.
SequenceFile.CompressionType
          The compression type used to compress key/value pairs in the SequenceFile.
Text
          This class stores text using standard UTF8 encoding.
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable
          A Writable which is also Comparable.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.hbase.filter
Text
          This class stores text using standard UTF8 encoding.
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.hbase.io
Text
          This class stores text using standard UTF8 encoding.
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable
          A Writable which is also Comparable.
WritableComparator
          A Comparator for WritableComparables.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.hbase.mapred
Closeable
          That which can be closed.
MapWritable
          A Writable Map.
Text
          This class stores text using standard UTF8 encoding.
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable
          A Writable which is also Comparable.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.hbase.shell
Text
          This class stores text using standard UTF8 encoding.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.hbase.util
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.io
AbstractMapWritable
          Abstract base class for MapWritable and SortedMapWritable Unlike org.apache.nutch.crawl.MapWritable, this class allows creation of MapWritable<Writable, MapWritable> so the CLASS_TO_ID and ID_TO_CLASS maps travel with the class instead of being static.
BytesWritable
          A byte sequence that is usable as a key or value.
DataOutputBuffer
          A reusable DataOutput implementation that writes to an in-memory buffer.
LongWritable.Comparator
          A Comparator optimized for LongWritable.
MapFile
          A file-based map from keys to values.
MapFile.Reader
          Provide access to an existing map.
MapFile.Writer
          Writes a new map.
MapWritable
          A Writable Map.
MD5Hash
          A Writable for MD5 hash values.
NullWritable
          Singleton Writable with no data.
ObjectWritable
          A polymorphic Writable that writes an instance with it's class name.
SequenceFile.CompressionType
          The compression type used to compress key/value pairs in the SequenceFile.
SequenceFile.Metadata
          The class encapsulating with the metadata of a file.
SequenceFile.Sorter.RawKeyValueIterator
          The interface to iterate over raw keys/values of SequenceFiles.
SequenceFile.Sorter.SegmentDescriptor
          This class defines a merge segment.
SequenceFile.ValueBytes
          The interface to 'raw' values of SequenceFiles.
SequenceFile.Writer
          Write key/value pairs to a sequence-format file.
SortedMapWritable
          A Writable SortedMap.
Text
          This class stores text using standard UTF8 encoding.
UTF8
          Deprecated. replaced by Text
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable
          A Writable which is also Comparable.
WritableComparator
          A Comparator for WritableComparables.
WritableFactory
          A factory for a class of Writable.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.ipc
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.mapred
Closeable
          That which can be closed.
LongWritable
          A WritableComparable for longs.
MapFile.Reader
          Provide access to an existing map.
SequenceFile.CompressionType
          The compression type used to compress key/value pairs in the SequenceFile.
SequenceFile.Reader
          Reads key/value pairs from a sequence-format file.
Text
          This class stores text using standard UTF8 encoding.
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable
          A Writable which is also Comparable.
WritableComparator
          A Comparator for WritableComparables.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.mapred.lib
Closeable
          That which can be closed.
LongWritable
          A WritableComparable for longs.
Text
          This class stores text using standard UTF8 encoding.
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable
          A Writable which is also Comparable.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.mapred.lib.aggregate
Closeable
          That which can be closed.
Text
          This class stores text using standard UTF8 encoding.
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable
          A Writable which is also Comparable.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.record
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable
          A Writable which is also Comparable.
WritableComparator
          A Comparator for WritableComparables.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.streaming
Closeable
          That which can be closed.
Text
          This class stores text using standard UTF8 encoding.
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable
          A Writable which is also Comparable.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.tools
Closeable
          That which can be closed.
LongWritable
          A WritableComparable for longs.
Text
          This class stores text using standard UTF8 encoding.
Text.Comparator
          A WritableComparator optimized for Text keys.
WritableComparable
          A Writable which is also Comparable.
WritableComparator
          A Comparator for WritableComparables.
 

Classes in org.apache.hadoop.io used by org.apache.hadoop.util
Closeable
          That which can be closed.
IntWritable
          A WritableComparable for ints.
LongWritable
          A WritableComparable for longs.
Text
          This class stores text using standard UTF8 encoding.
WritableComparable
          A Writable which is also Comparable.
 

Classes in org.apache.hadoop.io used by org.onelab.filter
Writable
          A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable
          A Writable which is also Comparable.
 



Copyright © 2006 The Apache Software Foundation