## Uses of Class
org.apache.hadoop.io.MapFile.Reader

Packages that use MapFile.Reader
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.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.

Uses of MapFile.Reader in org.apache.hadoop.io

Subclasses of MapFile.Reader in org.apache.hadoop.io
`static class` `ArrayFile.Reader` Provide access to an existing array file.
`static class` `BloomMapFile.Reader`
`static class` `SetFile.Reader` Provide access to an existing set file.

Uses of MapFile.Reader in org.apache.hadoop.mapred

Methods in org.apache.hadoop.mapred that return MapFile.Reader
`static MapFile.Reader[]` `MapFileOutputFormat.getReaders(FileSystem ignored, Path dir, Configuration conf)` Open the output generated by this format.

Methods in org.apache.hadoop.mapred with parameters of type MapFile.Reader

`static

`<K extends WritableComparable,V extends Writable> Writable`

`

`MapFileOutputFormat.getEntry(MapFile.Reader[] readers, Partitioner<K,V> partitioner, K key, V value)`
Get an entry from output generated by this class.

Copyright © 2009 The Apache Software Foundation