it.uniroma2.sag.kelp.kernel.cache

Interface SquaredNormCache

All Known Implementing Classes:

DynamicIndexSquaredNormCache, FixIndexSquaredNormCache

public interface SquaredNormCache

Cache for store squared norms

Author:

Simone Filice

Method Summary

Methods

Modifier and Type	Method and Description
void	flush() Empties the cache
Float	getSquaredNorm(Example example) Returns a previously stored norm of a given example
void	setSquaredNormValue(Example example, float squaredNorm) Stores a squared norm in the cache

Method Detail

getSquaredNorm

Float getSquaredNorm(Example example)

Returns a previously stored norm of a given example

Parameters:

example - the instance whose squared norm is required

Returns:

the squared norm or null if a cache miss occurs

setSquaredNormValue

void setSquaredNormValue(Example example,
                       float squaredNorm)

Stores a squared norm in the cache

Parameters:

example - the example whose quadratic norm must be stored

squaredNorm - the squared norm to be stored

flush

void flush()

Empties the cache