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

Packages that use Closeable

org.apache.hadoop.mapred
org.apache.hadoop.mapred.lib
org.apache.hadoop.mapred.lib.aggregate

Uses of Closeable in org.apache.hadoop.mapred

Subinterfaces of Closeable in org.apache.hadoop.mapred

interface	Mapper<K1,V1,K2,V2> Maps input key/value pairs to a set of intermediate key/value pairs.
interface	Reducer<K2,V2,K3,V3> Reduces a set of intermediate values which share a key to a smaller set of values.

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

Classes in org.apache.hadoop.mapred.lib that implement Closeable

class	ChainMapper The ChainMapper class allows to use multiple Mapper classes within a single Map task.
class	ChainReducer The ChainReducer class allows to chain multiple Mapper classes after a Reducer within the Reducer task.
class	FieldSelectionMapReduce<K,V> 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,V> Implements the identity function, mapping inputs directly to outputs.
class	IdentityReducer<K,V> Performs no reduction, writing all input values directly to the output.
class	InverseMapper<K,V> A Mapper that swaps keys and values.
class	LongSumReducer<K> A Reducer that sums long values.
class	RegexMapper<K> A Mapper that extracts text matching a regular expression.
class	TokenCountMapper<K> 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.