org.apache.axis.utils
Class LockableHashtable
java.lang.Object
|
+--java.util.Dictionary
|
+--java.util.Hashtable
|
+--org.apache.axis.utils.LockableHashtable
- All Implemented Interfaces:
- java.lang.Cloneable, java.util.Map, java.io.Serializable
- public class LockableHashtable
- extends java.util.Hashtable
This subclass of the java Hashtable allows individual
entries to be "locked" so that their values cannot be
overwritten or removed.
Note, only the put() and remove() methods have been
overridden. The clear() method still removes all
entries whether they've been locked or not.
- Author:
- James Snell (jasnell@us.ibm.com)
- See Also:
- Serialized Form
Inner classes inherited from class java.util.Map |
java.util.Map.Entry |
Method Summary |
java.lang.Object |
get(java.lang.Object key)
Get an entry from this hashtable, and if we don't find anything,
defer to our parent, if any. |
boolean |
isKeyLocked(java.lang.Object key)
Returns true if a given key is in our locked list |
java.lang.Object |
put(java.lang.Object p1,
java.lang.Object p2)
Overrides the Hashtable.put() method to mark items as not being locked. |
java.lang.Object |
put(java.lang.Object p1,
java.lang.Object p2,
boolean locked)
New version of the put() method that allows for explicitly marking
items added to the hashtable as locked. |
java.lang.Object |
remove(java.lang.Object p1)
Checks to see if an item is locked before it is removed. |
void |
setParent(java.util.Hashtable parent)
Set the parent Hashtable for this object |
Methods inherited from class java.util.Hashtable |
clear, clone, contains, containsKey, containsValue, elements, entrySet, equals, hashCode, isEmpty, keys, keySet, putAll, rehash, size, toString, values |
Methods inherited from class java.lang.Object |
finalize, getClass, notify, notifyAll, wait, wait, wait |
LockableHashtable
public LockableHashtable()
LockableHashtable
public LockableHashtable(int p1,
float p2)
LockableHashtable
public LockableHashtable(java.util.Map p1)
LockableHashtable
public LockableHashtable(int p1)
setParent
public void setParent(java.util.Hashtable parent)
- Set the parent Hashtable for this object
get
public java.lang.Object get(java.lang.Object key)
- Get an entry from this hashtable, and if we don't find anything,
defer to our parent, if any.
- Overrides:
get
in class java.util.Hashtable
put
public java.lang.Object put(java.lang.Object p1,
java.lang.Object p2,
boolean locked)
- New version of the put() method that allows for explicitly marking
items added to the hashtable as locked.
put
public java.lang.Object put(java.lang.Object p1,
java.lang.Object p2)
- Overrides the Hashtable.put() method to mark items as not being locked.
- Overrides:
put
in class java.util.Hashtable
remove
public java.lang.Object remove(java.lang.Object p1)
- Checks to see if an item is locked before it is removed.
- Overrides:
remove
in class java.util.Hashtable
isKeyLocked
public boolean isKeyLocked(java.lang.Object key)
- Returns true if a given key is in our locked list
Copyright © 2003 Apache Web Services Project. All Rights Reserved.