eu.stratosphere.example.java.record.wordcount

Class WordCountAccumulators.SetAccumulator<T extends Value>

java.lang.Object

eu.stratosphere.example.java.record.wordcount.WordCountAccumulators.SetAccumulator<T>

All Implemented Interfaces:

Accumulator<T,Set<T>>, IOReadableWritable, Serializable

Enclosing class:

WordCountAccumulators

public static class WordCountAccumulators.SetAccumulator<T extends Value>
extends Object
implements Accumulator<T,Set<T>>

Custom accumulator

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
WordCountAccumulators.SetAccumulator()

Method Summary

Methods

Modifier and Type	Method and Description
void	add(T value)
Set<T>	getLocalValue()
void	merge(Accumulator<T,Set<T>> other)
void	read(DataInput in)
void	resetLocal()
void	write(DataOutput out)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WordCountAccumulators.SetAccumulator

public WordCountAccumulators.SetAccumulator()

Method Detail

add

public void add(T value)

Specified by:

add in interface Accumulator<T extends Value,Set<T extends Value>>

getLocalValue

public Set<T> getLocalValue()

Specified by:

getLocalValue in interface Accumulator<T extends Value,Set<T extends Value>>

resetLocal

public void resetLocal()

Specified by:

resetLocal in interface Accumulator<T extends Value,Set<T extends Value>>

merge

public void merge(Accumulator<T,Set<T>> other)

Specified by:

merge in interface Accumulator<T extends Value,Set<T extends Value>>

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface IOReadableWritable

Throws:

IOException

read

public void read(DataInput in)
          throws IOException

Specified by:

read in interface IOReadableWritable

Throws:

IOException