private static class NoOpCacheManager.NoOpCache extends java.lang.Object implements Cache
Cache.ValueWrapper
Modifier and Type | Field and Description |
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private java.lang.String |
name |
Constructor and Description |
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NoOpCache(java.lang.String name) |
Modifier and Type | Method and Description |
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void |
clear()
Remove all mappings from the cache.
|
void |
evict(java.lang.Object key)
Evict the mapping for this key from this cache if it is present.
|
Cache.ValueWrapper |
get(java.lang.Object key)
Return the value to which this cache maps the specified key.
|
<T> T |
get(java.lang.Object key,
java.lang.Class<T> type)
Return the value to which this cache maps the specified key,
generically specifying a type that return value will be cast to.
|
java.lang.String |
getName()
Return the cache name.
|
java.lang.Object |
getNativeCache()
Return the the underlying native cache provider.
|
void |
put(java.lang.Object key,
java.lang.Object value)
Associate the specified value with the specified key in this cache.
|
public void clear()
Cache
public void evict(java.lang.Object key)
Cache
public Cache.ValueWrapper get(java.lang.Object key)
Cache
Returns null
if the cache contains no mapping for this key;
otherwise, the cached value (which may be null
itself) will
be returned in a Cache.ValueWrapper
.
get
in interface Cache
key
- the key whose associated value is to be returnedCache.ValueWrapper
which may also hold
a cached null
value. A straight null
being
returned means that the cache contains no mapping for this key.Cache.get(Object, Class)
public <T> T get(java.lang.Object key, java.lang.Class<T> type)
Cache
Note: This variant of get
does not allow for differentiating
between a cached null
value and no cache entry found at all.
Use the standard Cache.get(Object)
variant for that purpose instead.
get
in interface Cache
key
- the key whose associated value is to be returnedtype
- the required type of the returned value (may be
null
to bypass a type check; in case of a null
value found in the cache, the specified type is irrelevant)null
itself), or also null
if
the cache contains no mapping for this keyCache.get(Object)
public java.lang.String getName()
Cache
public java.lang.Object getNativeCache()
Cache
getNativeCache
in interface Cache
public void put(java.lang.Object key, java.lang.Object value)
Cache
If the cache previously contained a mapping for this key, the old value is replaced by the specified value.