com.opensymphony.util
Class OrderedMap
java.lang.Object
|
+--java.util.AbstractMap
|
+--java.util.HashMap
|
+--com.opensymphony.util.OrderedMap
- All Implemented Interfaces:
- java.lang.Cloneable, java.util.Map, java.io.Serializable
- 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: 1.7 $
- Author:
- Joe Walnes
- See Also:
HashMap
, Serialized Form
Inner classes inherited from class java.util.Map |
java.util.Map.Entry |
Method Summary |
void |
clear()
Overrides superclass. |
java.util.Iterator |
iterator()
Return keys in original order. |
java.lang.Object |
put(java.lang.Object key,
java.lang.Object value)
Overrides superclass. |
java.lang.Object |
remove(java.lang.Object key)
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 |
OrderedMap
public OrderedMap()
iterator
public java.util.Iterator iterator()
- Return keys in original order.
- Returns:
- Iteration of keys.
clear
public void clear()
- Overrides superclass.
- Overrides:
clear
in class java.util.HashMap
put
public java.lang.Object put(java.lang.Object key,
java.lang.Object value)
- Overrides superclass.
- Overrides:
put
in class java.util.HashMap
remove
public java.lang.Object remove(java.lang.Object key)
- Overrides superclass.
- Overrides:
remove
in class java.util.HashMap