Java Doc for WeakMap.java in  » Database-ORM » beankeeper » hu » netmind » persistence » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » beankeeper » hu.netmind.persistence 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   hu.netmind.persistence.WeakMap

WeakMap
public class WeakMap (Code)
This is exactly like weak hashmap, but this implementation disregards the object's equals() and hashCode() methods, and uses object equality for testing. This means it will only return an entry, if the object given as key exatcly matches the key in the map. This is not so trivial, since the hashCode() need not to be unique between objects, and we can't refer to the object directly either, because then this wouldn't be a weak map.
Note: Ok, this is not an implementation of Map, if you wish you can write the necessary methods.
author:
   Brautigam Robert
version:
   Revision: $Revision$

Inner Class :public class Entry


Constructor Summary
public  WeakMap()
    

Method Summary
public  Objectget(Object key)
     Get a value for the given key.
Parameters:
  key - The key object.
public  WeakMapListenergetListener()
    
public  voidput(Object key, Object value, Object id)
     Put an object with a key to the map.
public  voidsetListener(WeakMapListener listener)
    


Constructor Detail
WeakMap
public WeakMap()(Code)




Method Detail
get
public Object get(Object key)(Code)
Get a value for the given key.
Parameters:
  key - The key object. The value for exatcly the given object instance.



getListener
public WeakMapListener getListener()(Code)



put
public void put(Object key, Object value, Object id)(Code)
Put an object with a key to the map.
Parameters:
  key - The object which will be referred weakly, may not be null.
Parameters:
  value - The value to the key.
Parameters:
  id - Some identifier which does not refer to the key.



setListener
public void setListener(WeakMapListener listener)(Code)



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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