Package gnu.mapping

Class Table2D

java.lang.Object

gnu.mapping.Table2D

public class Table2D
extends Object

Maps 2 objects to another. Uses a weak references to each key, unless it is null or a Symbol. This should at some point be merged with SimpleEnvironment. FIXME.

Constructor Summary

Constructors

Constructor	Description
Table2D()
Table2D(int capacity)

Method Summary

Modifier and Type	Method	Description
Object	get(Object key1, Object key2, Object defaultValue)
static Table2D	getInstance()
boolean	isBound(Object key1, Object key2)
protected gnu.mapping.Entry	lookup(Object key1, Object key2, int hash1, int hash2, boolean create)
Object	put(Object key1, Object key2, Object newValue)
Object	remove(Object key1, Object key2)
Object	remove(Object key1, Object key2, int hash)
Object	remove(Object key1, Object key2, int hash1, int hash2)
protected Object	wrapReference(Object key)

Methods inherited from class java.lang.Object

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

Constructor Detail

Table2D

public Table2D()

Table2D

public Table2D(int capacity)

Method Detail

getInstance

public static final Table2D getInstance()

get

public Object get(Object key1,
                  Object key2,
                  Object defaultValue)

isBound

public boolean isBound(Object key1,
                       Object key2)

put

public Object put(Object key1,
                  Object key2,
                  Object newValue)

remove

public Object remove(Object key1,
                     Object key2)

remove

public Object remove(Object key1,
                     Object key2,
                     int hash)

remove

public Object remove(Object key1,
                     Object key2,
                     int hash1,
                     int hash2)

lookup

protected gnu.mapping.Entry lookup(Object key1,
                                   Object key2,
                                   int hash1,
                                   int hash2,
                                   boolean create)

wrapReference

protected Object wrapReference(Object key)