org.apache.batik.util

Class DoublyIndexedTable

public class DoublyIndexedTable extends Object

This class represents a doubly indexed hash table.

Nested Class Summary
static class	DoublyIndexedTable.Entry An entry in the DoublyIndexedTable.
protected class	DoublyIndexedTable.TableIterator An Iterator class for a DoublyIndexedTable.

Field Summary
protected int	count The number of entries
protected int	initialCapacity The initial capacity
protected DoublyIndexedTable.Entry[]	table The underlying array

Constructor Summary
	DoublyIndexedTable() Creates a new DoublyIndexedTable.
	DoublyIndexedTable(int c) Creates a new DoublyIndexedTable.
	DoublyIndexedTable(DoublyIndexedTable other) Creates a new DoublyIndexedTable initialized to contain all of the entries of the specified other DoublyIndexedTable.

Method Summary
void	clear() Clears the table.
Object	get(Object o1, Object o2) Gets the value of an entry
Object[]	getValuesArray() Returns an array of all of the values in the table.
protected int	hashCode(Object o1, Object o2) Computes a hash code corresponding to the given objects.
Iterator	iterator() Returns an iterator on the entries of the table.
Object	put(Object o1, Object o2, Object value) Puts a value in the table.
protected void	rehash() Rehash the table
Object	remove(Object o1, Object o2) Removes an entry from the table.
int	size() Returns the size of this table.

Field Detail

count

protected int count

The number of entries

initialCapacity

protected int initialCapacity

The initial capacity

table

protected DoublyIndexedTable.Entry[] table

The underlying array

Constructor Detail

DoublyIndexedTable

public DoublyIndexedTable()

Creates a new DoublyIndexedTable.

DoublyIndexedTable

public DoublyIndexedTable(int c)

Creates a new DoublyIndexedTable.

Parameters: c The inital capacity.

DoublyIndexedTable

public DoublyIndexedTable(DoublyIndexedTable other)

Creates a new DoublyIndexedTable initialized to contain all of the entries of the specified other DoublyIndexedTable.

Method Detail

clear

public void clear()

Clears the table.

get

public Object get(Object o1, Object o2)

Gets the value of an entry

Returns: the value or null

getValuesArray

public Object[] getValuesArray()

Returns an array of all of the values in the table.

hashCode

protected int hashCode(Object o1, Object o2)

Computes a hash code corresponding to the given objects.

iterator

public Iterator iterator()

Returns an iterator on the entries of the table.

put

public Object put(Object o1, Object o2, Object value)

Puts a value in the table.

Returns: the old value or null

rehash

protected void rehash()

Rehash the table

remove

public Object remove(Object o1, Object o2)

Removes an entry from the table.

Returns: the value or null

size

public int size()

Returns the size of this table.

Copyright B) 2008 Apache Software Foundation. All Rights Reserved.