Uses of Interface
org.apache.hadoop.io.Closeable

Packages that use Closeable
org.apache.hadoop.contrib.utils.join   
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.hbase.mapred   
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.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. 
 

Uses of Closeable in org.apache.hadoop.contrib.utils.join
 

Classes in org.apache.hadoop.contrib.utils.join that implement Closeable
 class DataJoinMapperBase
          This abstract class serves as the base class for the mapper class of a data join job.
 class DataJoinReducerBase
          This abstract class serves as the base class for the reducer class of a data join job.
 class JobBase
          A common base implementing some statics collecting mechanisms that are commonly used in a typical map/reduce job.
 

Uses of Closeable in org.apache.hadoop.examples
 

Classes in org.apache.hadoop.examples that implement Closeable
static class PiEstimator.PiMapper
          Mappper class for Pi estimation.
static class PiEstimator.PiReducer
           
 class SleepJob
          Dummy class for testing MR framefork.
static class WordCount.MapClass
          Counts the words in each line.
static class WordCount.Reduce
          A reducer class that just emits the sum of the input values.
 

Uses of Closeable in org.apache.hadoop.examples.dancing
 

Classes in org.apache.hadoop.examples.dancing that implement Closeable
static class DistributedPentomino.PentMap
          Each map takes a line, which represents a prefix move and finds all of the solutions that start with that prefix.
 

Uses of Closeable in org.apache.hadoop.hbase.mapred
 

Classes in org.apache.hadoop.hbase.mapred that implement Closeable
 class GroupingTableMap
          Extract grouping columns from input record
 class IdentityTableMap
          Pass the given key and record as-is to reduce
 class IdentityTableReduce
          Write to table each key, record pair
 class IndexTableReduce
          Construct a Lucene document per row, which is consumed by IndexOutputFormat to build a Lucene index
 class TableMap<K extends WritableComparable,V extends Writable>
          Scan an HBase table to sort by a specified sort column.
 class TableReduce<K extends WritableComparable,V extends Writable>
          Write a table, sorting by the input key
 

Uses of Closeable in org.apache.hadoop.mapred
 

Subinterfaces of Closeable in org.apache.hadoop.mapred
 interface Mapper<K1 extends WritableComparable,V1 extends Writable,K2 extends WritableComparable,V2 extends Writable>
          Maps input key/value pairs to a set of intermediate key/value pairs.
 interface Reducer<K2 extends WritableComparable,V2 extends Writable,K3 extends WritableComparable,V3 extends Writable>
          Reduces a set of intermediate values which share a key to a smaller set of values.
 

Classes in org.apache.hadoop.mapred that implement Closeable
 class MapReduceBase
          Base class for Mapper and Reducer implementations.
 

Uses of Closeable in org.apache.hadoop.mapred.lib
 

Classes in org.apache.hadoop.mapred.lib that implement Closeable
 class FieldSelectionMapReduce<K extends WritableComparable,V extends Writable>
          This class implements a mapper/reducer class that can be used to perform field selections in a manner similar to unix cut.
 class IdentityMapper<K extends WritableComparable,V extends Writable>
          Implements the identity function, mapping inputs directly to outputs.
 class IdentityReducer<K extends WritableComparable,V extends Writable>
          Performs no reduction, writing all input values directly to the output.
 class InverseMapper<K extends WritableComparable,V extends WritableComparable>
          A Mapper that swaps keys and values.
 class LongSumReducer<K extends WritableComparable>
          A Reducer that sums long values.
 class RegexMapper<K extends WritableComparable>
          A Mapper that extracts text matching a regular expression.
 class TokenCountMapper<K extends WritableComparable>
          A Mapper that maps text values into pairs.
 

Uses of Closeable in org.apache.hadoop.mapred.lib.aggregate
 

Classes in org.apache.hadoop.mapred.lib.aggregate that implement Closeable
 class ValueAggregatorCombiner<K1 extends WritableComparable,V1 extends Writable>
          This class implements the generic combiner of Aggregate.
 class ValueAggregatorJobBase<K1 extends WritableComparable,V1 extends Writable>
          This abstract class implements some common functionalities of the the generic mapper, reducer and combiner classes of Aggregate.
 class ValueAggregatorMapper<K1 extends WritableComparable,V1 extends Writable>
          This class implements the generic mapper of Aggregate.
 class ValueAggregatorReducer<K1 extends WritableComparable,V1 extends Writable>
          This class implements the generic reducer of Aggregate.
 

Uses of Closeable in org.apache.hadoop.streaming
 

Classes in org.apache.hadoop.streaming that implement Closeable
 class PipeMapper
          A generic Mapper bridge.
 class PipeReducer
          A generic Reducer bridge.
 

Uses of Closeable in org.apache.hadoop.tools
 

Classes in org.apache.hadoop.tools that implement Closeable
static class Logalyzer.LogRegexMapper<K extends WritableComparable>
          A Mapper that extracts text matching a regular expression.
 

Uses of Closeable in org.apache.hadoop.util
 

Classes in org.apache.hadoop.util that implement Closeable
static class CopyFiles.FSCopyFilesMapper
          FSCopyFilesMapper: The mapper for copying files between FileSystems.
 



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