Package weka.classifiers.lazy.kstar

Class KStarCache.CacheTable

java.lang.Object

weka.classifiers.lazy.kstar.KStarCache.CacheTable

All Implemented Interfaces:

Serializable, RevisionHandler

Enclosing class:

KStarCache

public class KStarCache.CacheTable
extends Object
implements Serializable, RevisionHandler

A custom hashtable class to support the caching system.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
CacheTable()	Constructs a new hashtable with a default capacity and load factor.
CacheTable(int size, float loadFactor)	Constructs a new hashtable with a default capacity and load factor.

Method Summary

Modifier and Type	Method	Description
void	clear()	Clears this hashtable so that it contains no keys.
boolean	containsKey(double key)	Tests if the specified double is a key in this hashtable.
KStarCache.TableEntry	getEntry(double key)	Returns the table entry to which the specified key is mapped in this hashtable.
String	getRevision()	Returns the revision string.
void	insert(double key, double value, double pmiss)	Inserts a new entry in the hashtable using the specified key.
boolean	isEmpty()	Tests if this hashtable maps no keys to values.
int	size()	Returns the number of keys in this hashtable.

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheTable

public CacheTable(int size,
                  float loadFactor)

Constructs a new hashtable with a default capacity and load factor.

CacheTable

public CacheTable()

Constructs a new hashtable with a default capacity and load factor.

Method Detail

containsKey

public boolean containsKey(double key)

Tests if the specified double is a key in this hashtable.

insert

public void insert(double key,
                   double value,
                   double pmiss)

Inserts a new entry in the hashtable using the specified key. If the key already exist in the hashtable, do nothing.

getEntry

public KStarCache.TableEntry getEntry(double key)

Returns the table entry to which the specified key is mapped in this hashtable.

Returns:

a table entry.

size

public int size()

Returns the number of keys in this hashtable.

Returns:

the number of keys in this hashtable.

isEmpty

public boolean isEmpty()

Tests if this hashtable maps no keys to values.

Returns:

true if this hastable maps no keys to values.

clear

public void clear()

Clears this hashtable so that it contains no keys.

getRevision

public String getRevision()

Returns the revision string.

Specified by:

getRevision in interface RevisionHandler

Returns:

the revision