org.apache.batik.util
Class DoublyIndexedTable

java.lang.Object
  org.apache.batik.util.DoublyIndexedTable

public class DoublyIndexedTable
extends java.lang.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(DoublyIndexedTable other)
Creates a new DoublyIndexedTable initialized to contain all of the entries of the specified other DoublyIndexedTable.

DoublyIndexedTable(int c)
Creates a new DoublyIndexedTable.

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

initialCapacity

protected int initialCapacity

The initial capacity

table

protected DoublyIndexedTable.Entry[] table

The underlying array

count

protected int count

The number of entries

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

size

public int size()

Returns the size of this table.

put

public java.lang.Object put(java.lang.Object o1,
                            java.lang.Object o2,
                            java.lang.Object value)

Puts a value in the table.

Returns:

the old value or null

get

public java.lang.Object get(java.lang.Object o1,
                            java.lang.Object o2)

Gets the value of an entry

Returns:

the value or null

remove

public java.lang.Object remove(java.lang.Object o1,
                               java.lang.Object o2)

Removes an entry from the table.

Returns:

the value or null

getValuesArray

public java.lang.Object[] getValuesArray()

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

clear

public void clear()

Clears the table.

iterator

public java.util.Iterator iterator()

Returns an iterator on the entries of the table.

rehash

protected void rehash()

Rehash the table

hashCode

protected int hashCode(java.lang.Object o1,
                       java.lang.Object o2)

Computes a hash code corresponding to the given objects.