eu.stratosphere.core.testing.fuzzy

Interface ValueSimilarity<V>

Type Parameters:

V - the value type

All Known Implementing Classes:

AbstractValueSimilarity, DoubleValueSimilarity

public interface ValueSimilarity<V>

Distance function between two values.

Field Summary

Fields

Modifier and Type	Field and Description
static double	NO_MATCH Constant used to indicate that two values do not match.

Method Summary

Methods

Modifier and Type	Method and Description
double	getDistance(V value1, V value2) Returns the distance between the first and the second value or NO_MATCH.
boolean	isApplicable(Class<?> valueType)

Field Detail

NO_MATCH

static final double NO_MATCH

Constant used to indicate that two values do not match.

See Also:

Constant Field Values

Method Detail

getDistance

double getDistance(V value1,
                 V value2)

Returns the distance between the first and the second value or NO_MATCH.

Parameters:

value1 - the first value

value2 - the second value

Returns:

a positive value corresponding to the distance or NO_MATCH

isApplicable

boolean isApplicable(Class<?> valueType)

Returns:

true if it is applicable to the given value type.