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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

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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.

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Nested Class Summary

 

Nested classes inherited from class java.util.Hashtable

 

Nested classes inherited from class java.util.Map

java.util.Map.Entry

 

Field Summary
(package private)  java.util.Vector	lockedEntries           Stores the keys of the locked entries
private  java.util.Hashtable	parent           Place to look for properties which we don't find locally.

 

Fields inherited from class java.util.Hashtable

 

Constructor Summary

LockableHashtable()

LockableHashtable(int p1)

LockableHashtable(int p1, float p2)

LockableHashtable(java.util.Map p1)

 

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.
java.util.Set	getAllKeys()           Returns the keys in this hashtable, and its parent chain
java.util.Hashtable	getParent()           Gets the parent Hashtable for this object (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

 

Field Detail

lockedEntries

java.util.Vector lockedEntries

Stores the keys of the locked entries

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parent

private java.util.Hashtable parent

Place to look for properties which we don't find locally.

Constructor Detail

LockableHashtable

public LockableHashtable()

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LockableHashtable

public LockableHashtable(int p1,
                         float p2)

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LockableHashtable

public LockableHashtable(java.util.Map p1)

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LockableHashtable

public LockableHashtable(int p1)

Method Detail

setParent

public void setParent(java.util.Hashtable parent)

Set the parent Hashtable for this object

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getParent

public java.util.Hashtable getParent()

Gets the parent Hashtable for this object (if any)

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getAllKeys

public java.util.Set getAllKeys()

Returns the keys in this hashtable, and its parent chain

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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.

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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.

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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.

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remove

public java.lang.Object remove(java.lang.Object p1)

Checks to see if an item is locked before it is removed.

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isKeyLocked

public boolean isKeyLocked(java.lang.Object key)

Returns true if a given key is in our locked list

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> apache >> axis >> [ utils overview ]	PREV CLASS  NEXT CLASS
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