it.uniroma2.sag.kelp.kernel.cache

Class SimpleDynamicKernelCache

java.lang.Object

it.uniroma2.sag.kelp.kernel.cache.KernelCache

it.uniroma2.sag.kelp.kernel.cache.SimpleDynamicKernelCache

public class SimpleDynamicKernelCache
extends KernelCache

Cache for kernel computations. It can stores all the pairwise kernel computations. It is a simple, not optimized, implementation.

Author:

Simone Filice

Constructor Summary

Constructors

Constructor and Description
SimpleDynamicKernelCache()

Method Summary

Methods

Modifier and Type	Method and Description
void	flushCache() Empties the cache
protected Float	getStoredKernelValue(Example exA, Example exB) Retrieves in the cache the kernel operation between two examples
void	setKernelValue(Example exA, Example exB, float value) Stores a kernel computation in cache

Methods inherited from class it.uniroma2.sag.kelp.kernel.cache.KernelCache

getCacheHits, getCacheMisses, getKernelValue, resetCacheStats

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleDynamicKernelCache

public SimpleDynamicKernelCache()

Method Detail

getStoredKernelValue

protected Float getStoredKernelValue(Example exA,
                         Example exB)

Description copied from class: KernelCache

Retrieves in the cache the kernel operation between two examples

Specified by:

getStoredKernelValue in class KernelCache

Parameters:

exA - the first example

exB - the second example

Returns:

the kernel similarity, null if a cache miss occurs

setKernelValue

public void setKernelValue(Example exA,
                  Example exB,
                  float value)

Description copied from class: KernelCache

Stores a kernel computation in cache

Specified by:

setKernelValue in class KernelCache

Parameters:

exA - the first example

exB - the second example

value - the kernel value to be stored in cache

flushCache

public void flushCache()

Description copied from class: KernelCache

Empties the cache

Specified by:

flushCache in class KernelCache