Package org.apache.batik.dom.util

Class TriplyIndexedTable

java.lang.Object

org.apache.batik.dom.util.TriplyIndexedTable

public class TriplyIndexedTable
extends java.lang.Object

This class represents a triply indexed hash table.
Note: This implementation is not Thread-safe.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	TriplyIndexedTable.Entry	To manage collisions

Field Summary

Fields

Modifier and Type	Field	Description
protected int	count	The number of entries
protected static int	INITIAL_CAPACITY	The initial capacity
protected TriplyIndexedTable.Entry[]	table	The underlying array

Constructor Summary

Constructors

Constructor	Description
TriplyIndexedTable()	Creates a new TriplyIndexedTable.
TriplyIndexedTable(int c)	Creates a new TriplyIndexedTable.

Method Summary

Modifier and Type	Method	Description
java.lang.Object	get(java.lang.Object o1, java.lang.Object o2, java.lang.Object o3)	Gets the value of an entry
protected int	hashCode(java.lang.Object o1, java.lang.Object o2, java.lang.Object o3)	Computes a hash code corresponding to the given objects.
java.lang.Object	put(java.lang.Object o1, java.lang.Object o2, java.lang.Object o3, java.lang.Object value)	Puts a value in the table.
protected void	rehash()	Rehash 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

INITIAL_CAPACITY

protected static final int INITIAL_CAPACITY

The initial capacity

See Also:

Constant Field Values

table

protected TriplyIndexedTable.Entry[] table

The underlying array

count

protected int count

The number of entries

Constructor Detail

TriplyIndexedTable

public TriplyIndexedTable()

Creates a new TriplyIndexedTable.

TriplyIndexedTable

public TriplyIndexedTable(int c)

Creates a new TriplyIndexedTable.

Parameters:

c - The inital capacity.

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 o3,
                            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,
                            java.lang.Object o3)

Gets the value of an entry

Returns:

the value or null

rehash

protected void rehash()

Rehash the table

hashCode

protected int hashCode(java.lang.Object o1,
                       java.lang.Object o2,
                       java.lang.Object o3)

Computes a hash code corresponding to the given objects.