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LockableHashtable (JAXRPC API) - JBoss 4.0.1 sp1 jaxrpc API Documentation 英文版文档

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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:

Cloneable, Map, Serializable

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public class LockableHashtable

extends 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

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Constructor Summary

LockableHashtable()

LockableHashtable(int p1)

LockableHashtable(int p1, float p2)

LockableHashtable(Map p1)

 

Method Summary
Object	get(Object key)           Get an entry from this hashtable, and if we don't find anything, defer to our parent, if any.
boolean	isKeyLocked(Object key)           Returns true if a given key is in our locked list
Object	put(Object p1, Object p2)           Overrides the Hashtable.put() method to mark items as not being locked.
Object	put(Object p1, Object p2, boolean locked)           New version of the put() method that allows for explicitly marking items added to the hashtable as locked.
Object	remove(Object p1)           Checks to see if an item is locked before it is removed.
void	setParent(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

 

Constructor Detail

LockableHashtable

public LockableHashtable()

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LockableHashtable

public LockableHashtable(int p1,
                         float p2)

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LockableHashtable

public LockableHashtable(Map p1)

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LockableHashtable

public LockableHashtable(int p1)

Method Detail

setParent

public void setParent(Hashtable parent)

Set the parent Hashtable for this object

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get

public Object get(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 Object put(Object p1,
                  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 Object put(Object p1,
                  Object p2)

Overrides the Hashtable.put() method to mark items as not being locked.

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remove

public Object remove(Object p1)

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

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isKeyLocked

public boolean isKeyLocked(Object key)

Returns true if a given key is in our locked list

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