org.jatha.util
Class SymbolTable

java.lang.Object
  java.util.AbstractMap<K,V>
      java.util.TreeMap<String,LispValue>
          org.jatha.util.SymbolTable

All Implemented Interfaces:

Serializable, Cloneable, Map<String,LispValue>, SortedMap<String,LispValue>

public class SymbolTable
extends TreeMap<String,LispValue>

This defines a hash table containing LispSymbol class elements. They are indexed by LispString class elements.

See Also:

Serialized Form

Field Summary

private Jatha	f_lisp
static float	HASH_TABLE_DEFAULT_LOAD_FACTOR
static int	HASH_TABLE_DEFAULT_SIZE
static long	serialVersionUID

Constructor Summary

SymbolTable(Jatha lisp)

SymbolTable(Jatha lisp, int defaultSize)

SymbolTable(Jatha lisp, int initialSize, float loadFactor)

Method Summary

LispValue	get(LispString key)
Iterator	keys() Returns an Iterator across the symbols of the SymbolTable.
LispValue	put(LispString key, LispValue value)
LispValue	replace(LispString key, LispValue value)

Methods inherited from class java.util.TreeMap

clear, clone, comparator, containsKey, containsValue, entrySet, firstKey, get, headMap, keySet, lastKey, put, putAll, remove, size, subMap, tailMap, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, isEmpty, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

equals, hashCode, isEmpty

Field Detail

serialVersionUID

public static final long serialVersionUID

See Also:

Constant Field Values

HASH_TABLE_DEFAULT_SIZE

public static final int HASH_TABLE_DEFAULT_SIZE

See Also:

Constant Field Values

HASH_TABLE_DEFAULT_LOAD_FACTOR

public static final float HASH_TABLE_DEFAULT_LOAD_FACTOR

See Also:

Constant Field Values

f_lisp

private Jatha f_lisp

Constructor Detail

SymbolTable

public SymbolTable(Jatha lisp)

SymbolTable

public SymbolTable(Jatha lisp,
                   int defaultSize)

SymbolTable

public SymbolTable(Jatha lisp,
                   int initialSize,
                   float loadFactor)

Method Detail

put

public LispValue put(LispString key,
                     LispValue value)

get

public LispValue get(LispString key)

replace

public LispValue replace(LispString key,
                         LispValue value)

keys

public Iterator keys()

Returns an Iterator across the symbols of the SymbolTable. Each symbol is a string.