org.jpox.cache
Class WeakRefCache
java.lang.Object
org.jpox.cache.WeakRefCache
- All Implemented Interfaces:
- Level1Cache, java.util.Map
- public class WeakRefCache
- extends java.lang.Object
- implements Level1Cache
Level 1 Cache using Weak referenced objects in a Map.
If the garbage collector clears the reference, the corresponding key is
automatically removed from the map.
- Version:
- $Revision: 1.4 $
- See Also:
WeakReference
Nested classes inherited from class java.util.Map |
java.util.Map.Entry |
Constructor Summary |
WeakRefCache()
Default constructor (required) |
Method Summary |
void |
clear()
|
boolean |
containsKey(java.lang.Object key)
|
boolean |
containsValue(java.lang.Object value)
|
java.util.Set |
entrySet()
|
java.lang.Object |
get(java.lang.Object key)
|
boolean |
isEmpty()
|
java.util.Set |
keySet()
|
java.lang.Object |
put(java.lang.Object key,
java.lang.Object value)
|
void |
putAll(java.util.Map t)
|
java.lang.Object |
remove(java.lang.Object key)
|
int |
size()
|
java.util.Collection |
values()
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface java.util.Map |
equals, hashCode |
WeakRefCache
public WeakRefCache()
- Default constructor (required)
put
public java.lang.Object put(java.lang.Object key,
java.lang.Object value)
- Specified by:
put
in interface java.util.Map
get
public java.lang.Object get(java.lang.Object key)
- Specified by:
get
in interface java.util.Map
containsKey
public boolean containsKey(java.lang.Object key)
- Specified by:
containsKey
in interface java.util.Map
remove
public java.lang.Object remove(java.lang.Object key)
- Specified by:
remove
in interface java.util.Map
clear
public void clear()
- Specified by:
clear
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
isEmpty
public boolean isEmpty()
- Specified by:
isEmpty
in interface java.util.Map
keySet
public java.util.Set keySet()
- Specified by:
keySet
in interface java.util.Map
putAll
public void putAll(java.util.Map t)
- Specified by:
putAll
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
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