org.exolab.castor.persist.cache
public class TimeLimited extends AbstractBaseCache implements Cache
Every object being put in the Map will live until the timeout expired.
Method dispose will be called whenever an old object is diposed. Developer can get notify by overriding the dispose method dispose.
Version: $Revision: 1.9 $ $Date: 2005/08/04 07:31:15 $
Constructor Summary | |
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TimeLimited()
Creates an instance of TimeLimited. |
Method Summary | |
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void | clear() |
void | close() |
boolean | contains(Object key)
Indicates whether the cache holds a value object for the specified key. |
boolean | containsKey(Object key) |
boolean | containsValue(Object value) |
protected void | dispose(Object o)
This method is called when an object is disposed.
|
Enumeration | elements()
Returns an enumeration of the values in this LRU map.
|
Set | entrySet() |
void | expire(Object key)
Remove the object identified by key from the cache. |
Object | get(Object key)
Returns the value to which the specified key is mapped in this Map. |
void | initialize() |
boolean | isEmpty() |
Set | keySet() |
Object | put(Object key, Object value)
Maps the specified key to the specified
value in this Map. |
void | putAll(Map aMap) |
Object | remove(Object key)
Removes the key (and its corresponding value) from this
Map. |
void | setCapacity(int capacity) |
int | size() |
Collection | values() |
See Also: close
See Also: Cache
Parameters: o - the disposed object
Returns: an enumeration of the values in this Map.
See Also: java.util.Enumeration
Parameters: key the key that needs to be removed.
Parameters: key - a key in the Map.
Returns: the value to which the key is mapped in this Map; null if the key is not mapped to any value in this Map.
See Also: initialize
key
to the specified
value
in this Map. Neither the key nor the
value can be null
.
The value can be retrieved by calling the get
method
with a key that is equal to the original key, before it is diposed
when the timeout of the entry is expired.
Parameters: key the Map key. value the value.
Returns: the previous value of the specified key in this Map,
or null
if it did not have one.
Throws: NullPointerException if the key or value is
null
.
Parameters: key the key that needs to be removed.
Returns: the value to which the key had been mapped in this Map,
or null
if the key did not have a mapping.
See Also: getCapacity