cc.mallet.fst
Class CRFCacheStaleIndicator

java.lang.Object
  cc.mallet.fst.CRFCacheStaleIndicator

All Implemented Interfaces:

CacheStaleIndicator

public class CRFCacheStaleIndicator
extends java.lang.Object
implements CacheStaleIndicator

Indicates when the value/gradient becomes stale based on updates to CRF's parameters.

Author:

Gaurav Chandalia

Field Summary

protected int	cachedGradientChangeStamp
protected int	cachedValueChangeStamp
protected CRF	crf

Constructor Summary

CRFCacheStaleIndicator(CRF crf)

Method Summary

boolean	isGradientStale() Returns true if the gradient is stale, also updates the cacheGradientStamp.
boolean	isValueStale() Returns true if the value is stale, also updates the cacheValueStamp.

Methods inherited from class java.lang.Object

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

Field Detail

crf

protected CRF crf

cachedValueChangeStamp

protected int cachedValueChangeStamp

cachedGradientChangeStamp

protected int cachedGradientChangeStamp

Constructor Detail

CRFCacheStaleIndicator

public CRFCacheStaleIndicator(CRF crf)

Method Detail

isValueStale

public boolean isValueStale()

Returns true if the value is stale, also updates the cacheValueStamp.

Specified by:

isValueStale in interface CacheStaleIndicator

isGradientStale

public boolean isGradientStale()

Returns true if the gradient is stale, also updates the cacheGradientStamp.

Specified by:

isGradientStale in interface CacheStaleIndicator