com.opensymphony.util

Class OrderedMap

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap

com.opensymphony.util.OrderedMap

All Implemented Interfaces:

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

Deprecated.

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

public class OrderedMap
extends java.util.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

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

java.util.AbstractMap.SimpleEntry<K,V>, java.util.AbstractMap.SimpleImmutableEntry<K,V>

Constructor Summary

Constructors

Constructor and Description
OrderedMap() Deprecated.

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() Deprecated. Overrides superclass.
java.util.Iterator	iterator() Deprecated. Return keys in original order.
java.lang.Object	put(java.lang.Object key, java.lang.Object value) Deprecated. Overrides superclass.
java.lang.Object	remove(java.lang.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 java.util.Map

Overrides:

clear in class java.util.HashMap

iterator

public java.util.Iterator iterator()

Deprecated.

Return keys in original order.

Returns:

Iteration of keys.

put

public java.lang.Object put(java.lang.Object key,
                   java.lang.Object value)

Deprecated.

Overrides superclass.

Specified by:

put in interface java.util.Map

Overrides:

put in class java.util.HashMap

remove

public java.lang.Object remove(java.lang.Object key)

Deprecated.

Overrides superclass.

Specified by:

remove in interface java.util.Map

Overrides:

remove in class java.util.HashMap