com.neoworks.util
Class SizeLimitedLinkedHashMap

java.lang.Object
  |
  +--java.util.AbstractMap
        |
        +--java.util.HashMap
              |
              +--java.util.LinkedHashMap
                    |
                    +--com.neoworks.util.SizeLimitedLinkedHashMap

All Implemented Interfaces:

java.lang.Cloneable, java.util.Map, java.io.Serializable

public class SizeLimitedLinkedHashMap

extends java.util.LinkedHashMap

Size limited HashMap, where elements are held in a LinkedList, ordered as inserted.

Author:

Nigel Atkinson (nigel@neoworks.com)

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class java.util.Map

java.util.Map.Entry

Constructor Summary

SizeLimitedLinkedHashMap(int maxSize)
Public constructor

Method Summary

int	getMaxSize() Get the maximum number of elements
protected boolean	removeEldestEntry(java.util.Map.Entry eldest) Oldest element removal policy
void	setMaxSize(int maxSize) Set the maximum number of elements

Methods inherited from class java.util.LinkedHashMap

clear, containsValue, get

Methods inherited from class java.util.HashMap

clone, containsKey, entrySet, isEmpty, keySet, put, putAll, remove, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

SizeLimitedLinkedHashMap

public SizeLimitedLinkedHashMap(int maxSize)

Public constructor

Parameters:

maxSize - The maximum number of elements to hold

Method Detail

getMaxSize

public int getMaxSize()

Get the maximum number of elements

Returns:

The maximum number of elements

setMaxSize

public void setMaxSize(int maxSize)

Set the maximum number of elements

Parameters:

maxSize - The maximum number of elements

removeEldestEntry

protected boolean removeEldestEntry(java.util.Map.Entry eldest)

Oldest element removal policy

Overrides:

removeEldestEntry in class java.util.LinkedHashMap