com.sun.jna
Class WeakIdentityHashMap
java.lang.Object
com.sun.jna.WeakIdentityHashMap
- All Implemented Interfaces:
- java.util.Map
public class WeakIdentityHashMap
- extends java.lang.Object
- implements java.util.Map
Implements a combination of WeakHashMap and IdentityHashMap.
Useful for caches that need to key off of a == comparison
instead of a .equals.
This class is not a general-purpose Map implementation! While
this class implements the Map interface, it intentionally violates
Map's general contract, which mandates the use of the equals method
when comparing objects. This class is designed for use only in the
rare cases wherein reference-equality semantics are required.
Note that this implementation is not synchronized.
Nested classes/interfaces inherited from interface java.util.Map |
java.util.Map.Entry<K,V> |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
WeakIdentityHashMap
public WeakIdentityHashMap()
clear
public void clear()
- Specified by:
clear
in interface java.util.Map
containsKey
public boolean containsKey(java.lang.Object key)
- Specified by:
containsKey
in interface java.util.Map
containsValue
public boolean containsValue(java.lang.Object value)
- Specified by:
containsValue
in interface java.util.Map
entrySet
public java.util.Set entrySet()
- Specified by:
entrySet
in interface java.util.Map
keySet
public java.util.Set keySet()
- Specified by:
keySet
in interface java.util.Map
equals
public boolean equals(java.lang.Object o)
- Specified by:
equals
in interface java.util.Map
- Overrides:
equals
in class java.lang.Object
get
public java.lang.Object get(java.lang.Object key)
- Specified by:
get
in interface java.util.Map
put
public java.lang.Object put(java.lang.Object key,
java.lang.Object value)
- Specified by:
put
in interface java.util.Map
hashCode
public int hashCode()
- Specified by:
hashCode
in interface java.util.Map
- Overrides:
hashCode
in class java.lang.Object
isEmpty
public boolean isEmpty()
- Specified by:
isEmpty
in interface java.util.Map
putAll
public void putAll(java.util.Map t)
- Specified by:
putAll
in interface java.util.Map
remove
public java.lang.Object remove(java.lang.Object key)
- Specified by:
remove
in interface java.util.Map
size
public int size()
- Specified by:
size
in interface java.util.Map
values
public java.util.Collection values()
- Specified by:
values
in interface java.util.Map
Copyright © 2007-2013 Timothy Wall. All Rights Reserved.