eu.stratosphere.core.testing.fuzzy

Class RecordDistance

java.lang.Object

eu.stratosphere.core.testing.fuzzy.RecordDistance

All Implemented Interfaces:

TypeDistance<eu.stratosphere.types.Record>

public class RecordDistance
extends Object
implements TypeDistance<eu.stratosphere.types.Record>

Simple matching algorithm for Record that returns unmatched values but allows a value from one bag to be matched several times against items from another bag.

Constructor Summary

Constructors

Constructor and Description
RecordDistance()

Method Summary

Methods

Modifier and Type	Method and Description
void	addSimilarity(int index, ValueSimilarity<?> similarity) Adds a similarity for the given record index.
double	getDistance(TypeConfig<eu.stratosphere.types.Record> typeConfig, eu.stratosphere.types.Record expectedRecord, eu.stratosphere.types.Record actualRecord) Calculates the overall distance between the expected and actual record.

Methods inherited from class java.lang.Object

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

Constructor Detail

RecordDistance

public RecordDistance()

Method Detail

addSimilarity

public void addSimilarity(int index,
                 ValueSimilarity<?> similarity)

Adds a similarity for the given record index.

Parameters:

index -

similarity -

getDistance

public double getDistance(TypeConfig<eu.stratosphere.types.Record> typeConfig,
                 eu.stratosphere.types.Record expectedRecord,
                 eu.stratosphere.types.Record actualRecord)

Calculates the overall distance between the expected and actual record.

Specified by:

getDistance in interface TypeDistance<eu.stratosphere.types.Record>

Returns:

the distance between the records