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 system for scalable, fault-tolerant, distributed computation over large data collections. 
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   
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
           
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 TableMap
          Scan an HBase table to sort by a specified sort column.
 class TableReduce
          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
          Maps input key/value pairs to a set of intermediate key/value pairs.
 interface Reducer
          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
          This class implements a mapper/reducer class that can be used to perform field selections in a manner similar to unix cut.
 class IdentityMapper
          Implements the identity function, mapping inputs directly to outputs.
 class IdentityReducer
          Performs no reduction, writing all input values directly to the output.
 class InverseMapper
          A Mapper that swaps keys and values.
 class LongSumReducer
          A Reducer that sums long values.
 class RegexMapper
          A Mapper that extracts text matching a regular expression.
 class TokenCountMapper
          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
          This class implements the generic combiner of Aggregate.
 class ValueAggregatorJobBase
          This abstract class implements some common functionalities of the the generic mapper, reducer and combiner classes of Aggregate.
 class ValueAggregatorMapper
          This class implements the generic mapper of Aggregate.
 class ValueAggregatorReducer
          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
          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.CopyFilesMapper
          Base-class for all mappers for distcp
static class CopyFiles.FSCopyFilesMapper
          DFSCopyFilesMapper: The mapper for copying files from the DFS.
static class CopyFiles.HTTPCopyFilesMapper
           
 



Copyright © 2006 The Apache Software Foundation