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java.lang.Objectorg.exolab.castor.persist.cache.AbstractBaseCache
org.exolab.castor.persist.cache.NoCache
public class NoCache
NoCache is a Map which dispose all object right the way.
Every object being put in the Map will be disposed.
Method dispose(Object)
will be called whenever an old object is
diposed. Developer can get notify by overriding the dispose method
dispose(Object)
.
Constructor Summary | |
---|---|
NoCache()
Creates an instance of this class. |
Method Summary | |
---|---|
void |
clear()
Removes all mappings from this map. |
void |
close()
Life-cycle method to allow custom resource cleanup for a cache implementation |
boolean |
contains(java.lang.Object key)
Indicates whether the cache holds value object mapped to the specified key. |
boolean |
containsKey(java.lang.Object key)
Returns true if this map contains a mapping for the specified key |
boolean |
containsValue(java.lang.Object value)
Returns true if this map maps one or more keys to the specified value. |
protected void |
dispose(java.lang.Object o)
This method is called when an object is disposed. |
java.util.Enumeration |
elements()
Returns an enumeration of the values in this LRU map. |
java.util.Set |
entrySet()
Returns a set view of the keys contained in this map. |
void |
expire(java.lang.Object key)
Remove the object identified by key from the cache. |
java.lang.Object |
get(java.lang.Object key)
Returns the value to which the specified key is mapped in this Map. |
void |
initialize()
Lyfe-cycle method to allow custom initialization of cache implementations |
boolean |
isEmpty()
Returns true if this map contains no key-value mappings. |
java.util.Set |
keySet()
Returns a collection view of the values contained in this map. |
java.lang.Object |
put(java.lang.Object key,
java.lang.Object value)
Maps the specified key to the specified value
in this Map. |
void |
putAll(java.util.Map aMap)
Copies all of the mappings from the specified map to this map (optional operation). |
java.lang.Object |
remove(java.lang.Object key)
Removes the key (and its corresponding value) from this Map. |
int |
size()
Returns the number of key-value mappings in this map. |
java.util.Collection |
values()
|
Methods inherited from class org.exolab.castor.persist.cache.AbstractBaseCache |
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getCacheType, getCapacity, getClassName, invokeMethod, invokeMethodReturnBoolean, invokeMethodReturnInt, invokeMethodWithExceptions, invokeStaticMethodWithExceptions, setCacheType, setCapacity, setClassName |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.exolab.castor.persist.cache.Cache |
---|
getCacheType, getCapacity, getClassName, setCacheType, setCapacity, setClassName |
Constructor Detail |
---|
public NoCache()
Method Detail |
---|
public java.lang.Object put(java.lang.Object key, java.lang.Object value)
key
to the specified value
in this Map. Neither the key nor the value can be null
.
End of theory.
Every object being put in the Map will be disposed.
put
in interface Cache
put
in class AbstractBaseCache
key
- the Map key.value
- the value.
null
if it did not have one.
java.lang.NullPointerException
- if the key or value is null
.public java.lang.Object get(java.lang.Object key)
get
in interface Cache
get
in class AbstractBaseCache
key
- a key in the Map.
public java.lang.Object remove(java.lang.Object key)
remove
in interface Cache
remove
in class AbstractBaseCache
key
- the key that needs to be removed.
null
if the key did not have a mapping.public java.util.Enumeration elements()
elements
in interface Cache
elements
in class AbstractBaseCache
Enumeration
public void expire(java.lang.Object key)
expire
in interface Cache
expire
in class AbstractBaseCache
key
- the key that needs to be removed.protected void dispose(java.lang.Object o)
dispose
in class AbstractBaseCache
o
- Objec to be disposed.public boolean contains(java.lang.Object key)
contains
in interface Cache
contains
in class AbstractBaseCache
key
- -
A key identifying a value object.
Cache.contains(java.lang.Object)
public int size()
Cache
size
in interface Cache
public void clear()
Cache
clear
in interface Cache
public boolean isEmpty()
Cache
isEmpty
in interface Cache
public boolean containsKey(java.lang.Object key)
Cache
containsKey
in interface Cache
key
- A key object.
public boolean containsValue(java.lang.Object value)
Cache
containsValue
in interface Cache
value
- The object value.
public java.util.Collection values()
values
in interface Cache
public void putAll(java.util.Map aMap)
Cache
putAll
in interface Cache
aMap
- The map to be copied.public java.util.Set entrySet()
Cache
entrySet
in interface Cache
public java.util.Set keySet()
Cache
keySet
in interface Cache
public void initialize()
Cache
initialize
in interface Cache
Cache.initialize()
public void close()
Cache
close
in interface Cache
close
in class AbstractBaseCache
Cache.close()
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