com.opensymphony.util
Class OrderedMap

java.lang.Object
  java.util.AbstractMap<K,V>
      java.util.HashMap
          com.opensymphony.util.OrderedMap

All Implemented Interfaces:

Serializable, Cloneable, Map

Deprecated. If you need special data structures like this, we recommend you check out the Jakarta commons-collections project.

public class OrderedMap
extends HashMap

Extention of java.util.HashMap that can retain original order elements were add in.

Uses an internal java.util.LinkedList which can be iterated through by accessing iterator().

Version:

$Revision: 1.1.1.1 $

Author:

Joe Walnes

See Also:

HashMap, Serialized Form

Constructor Summary

OrderedMap()
Deprecated.

Method Summary

void	clear() Deprecated. Overrides superclass.
Iterator	iterator() Deprecated. Return keys in original order.
Object	put(Object key, Object value) Deprecated. Overrides superclass.
Object	remove(Object key) Deprecated. Overrides superclass.

Methods inherited from class java.util.HashMap

clone, containsKey, containsValue, entrySet, get, isEmpty, keySet, putAll, 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

OrderedMap

public OrderedMap()

Deprecated.

Method Detail

clear

public void clear()

Deprecated.

Overrides superclass.

Specified by:

clear in interface Map

Overrides:

clear in class HashMap

iterator

public Iterator iterator()

Deprecated.

Return keys in original order.

Returns:

Iteration of keys.

put

public Object put(Object key,
                  Object value)

Deprecated.

Overrides superclass.

Specified by:

put in interface Map

Overrides:

put in class HashMap

remove

public Object remove(Object key)

Deprecated.

Overrides superclass.

Specified by:

remove in interface Map

Overrides:

remove in class HashMap