edu.berkeley.nlp.lm.cache
Class ArrayEncodedDirectMappedLmCache
java.lang.Object
edu.berkeley.nlp.lm.cache.ArrayEncodedDirectMappedLmCache
- All Implemented Interfaces:
- ArrayEncodedLmCache, Serializable
public final class ArrayEncodedDirectMappedLmCache
- extends Object
- implements ArrayEncodedLmCache
A direct-mapped cache. This cache does not perform any collision resolution,
but rather retains only the most recent key which gets hashed to a particular
bucket.
- Author:
- adampauls
- See Also:
- Serialized Form
Method Summary |
int |
capacity()
How n-grams can be cached (at most). |
void |
clear()
|
float |
getCached(int[] ngram,
int startPos,
int endPos,
int hash)
Should return Float.NaN if the requested n-gram is not in the cache |
void |
putCached(int[] ngram,
int startPos,
int endPos,
float f,
int hash)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
ArrayEncodedDirectMappedLmCache
public ArrayEncodedDirectMappedLmCache(int cacheBits,
int maxNgramOrder,
boolean threadSafe)
getCached
public float getCached(int[] ngram,
int startPos,
int endPos,
int hash)
- Description copied from interface:
ArrayEncodedLmCache
- Should return Float.NaN if the requested n-gram is not in the cache
- Specified by:
getCached
in interface ArrayEncodedLmCache
- Returns:
clear
public void clear()
- Specified by:
clear
in interface ArrayEncodedLmCache
putCached
public void putCached(int[] ngram,
int startPos,
int endPos,
float f,
int hash)
- Specified by:
putCached
in interface ArrayEncodedLmCache
capacity
public int capacity()
- Description copied from interface:
ArrayEncodedLmCache
- How n-grams can be cached (at most).
- Specified by:
capacity
in interface ArrayEncodedLmCache
- Returns: