fact.statistics

Class ArrayLength

java.lang.Object

fact.statistics.ArrayLength

All Implemented Interfaces:

stream.Processor

public class ArrayLength
extends Object
implements stream.Processor

This operator returns the length of the array specified by the key

Author:

Maximilian Noethe maximilian.noethe@tu-dortmund.de

Field Summary

Fields

Modifier and Type	Field and Description
String	key
String	outputKey

Constructor Summary

Constructors

Constructor and Description
ArrayLength()

Method Summary

Modifier and Type	Method and Description
stream.Data	process(stream.Data input)

Methods inherited from class java.lang.Object

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

Field Detail

key

@Parameter(required=true)
public String key

outputKey

@Parameter(required=true)
public String outputKey

Constructor Detail

ArrayLength

public ArrayLength()

Method Detail

process

public stream.Data process(stream.Data input)

Specified by:

process in interface stream.Processor