KStarCache (weka-dev 3.9.7 API)

java.lang.Object
- weka.classifiers.lazy.kstar.KStarCache

All Implemented Interfaces:

Serializable, RevisionHandler
```
public class KStarCache
extends Object
implements Serializable, RevisionHandler
```
A class representing the caching system used to keep track of each attribute value and its corresponding scale factor or stop parameter.

Version:

$Revision$

Author:

Len Trigg (len@reeltwo.com), Abdelaziz Mahoui (am14@cs.waikato.ac.nz)

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`class`	`KStarCache.CacheTable`	A custom hashtable class to support the caching system.
`class`	`KStarCache.TableEntry`	Hashtable collision list.

Constructor Summary

Constructors
Constructor Description

KStarCache()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`containsKey(double key)`	Checks if the specified key maps with an entry in the cache table
`KStarCache.TableEntry`	`getCacheValues(double key)`	Returns the values in the cache mapped by the specified key
`String`	`getRevision()`	Returns the revision string.
`void`	`store(double key, double value, double pmiss)`	Stores the specified values in the cahce table for easy retrieval.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - KStarCache
```
public KStarCache()
```
- Method Detail
  - store
```
public void store(double key,
                  double value,
                  double pmiss)
```
    Stores the specified values in the cahce table for easy retrieval.
    
    Parameters:
    
    key - attribute value used key to lookup the cache table.
    
    value - cache parameter: attribute scale/stop parameter.
    
    pmiss - cache parameter: transformation probability to attribute with missing value.
  - containsKey
```
public boolean containsKey(double key)
```
    Checks if the specified key maps with an entry in the cache table
    
    Parameters:
    
    key - the key to map with an entry in the hashtable.
  - getCacheValues
```
public KStarCache.TableEntry getCacheValues(double key)
```
    Returns the values in the cache mapped by the specified key
    
    Parameters:
    
    key - the key used to retrieve the table entry.
  - getRevision
```
public String getRevision()
```
    Returns the revision string.
    
    Specified by:
    
    getRevision in interface RevisionHandler
    
    Returns:
    
    the revision