org.apache.batik.dom.util

Class TriplyIndexedTable

java.lang.Object

org.apache.batik.dom.util.TriplyIndexedTable

public class TriplyIndexedTable
extends Object

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

Version:

$Id: TriplyIndexedTable.java 1733416 2016-03-03 07:07:13Z gadams $

Author:

Stephane Hillion

Nested Class Summary

Nested Classes

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

Field Summary

Fields

Modifier and Type	Field and 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 and Description
TriplyIndexedTable() Creates a new TriplyIndexedTable.
TriplyIndexedTable(int c) Creates a new TriplyIndexedTable.

Method Summary

Methods

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

Puts a value in the table.

Returns:

the old value or null

get

public Object get(Object o1,
         Object o2,
         Object o3)

Gets the value of an entry

Returns:

the value or null

rehash

protected void rehash()

Rehash the table

hashCode

protected int hashCode(Object o1,
           Object o2,
           Object o3)

Computes a hash code corresponding to the given objects.