public class WeakCache
extends java.util.AbstractMap
Constructor and Description |
---|
WeakCache()
Construct a WeakCache with weak keys.
|
WeakCache(java.util.Map map)
Construct a WeakCache.
|
Modifier and Type | Method and Description |
---|---|
void |
clear() |
boolean |
containsKey(java.lang.Object key) |
boolean |
containsValue(java.lang.Object value) |
protected java.lang.ref.Reference |
createReference(java.lang.Object value) |
java.util.Set |
entrySet() |
boolean |
equals(java.lang.Object o) |
java.lang.Object |
get(java.lang.Object key) |
int |
hashCode() |
java.util.Set |
keySet() |
java.lang.Object |
put(java.lang.Object key,
java.lang.Object value) |
java.lang.Object |
remove(java.lang.Object key) |
int |
size() |
java.lang.String |
toString() |
java.util.Collection |
values() |
public WeakCache()
Note, that the internally used WeakHashMap is not thread-safe.
map
- the map to usepublic WeakCache(java.util.Map map)
map
- the map to usepublic java.lang.Object get(java.lang.Object key)
get
in interface java.util.Map
get
in class java.util.AbstractMap
public java.lang.Object put(java.lang.Object key, java.lang.Object value)
put
in interface java.util.Map
put
in class java.util.AbstractMap
public java.lang.Object remove(java.lang.Object key)
remove
in interface java.util.Map
remove
in class java.util.AbstractMap
protected java.lang.ref.Reference createReference(java.lang.Object value)
public boolean containsValue(java.lang.Object value)
containsValue
in interface java.util.Map
containsValue
in class java.util.AbstractMap
public int size()
size
in interface java.util.Map
size
in class java.util.AbstractMap
public java.util.Collection values()
values
in interface java.util.Map
values
in class java.util.AbstractMap
public java.util.Set entrySet()
entrySet
in interface java.util.Map
entrySet
in class java.util.AbstractMap
public boolean containsKey(java.lang.Object key)
containsKey
in interface java.util.Map
containsKey
in class java.util.AbstractMap
public void clear()
clear
in interface java.util.Map
clear
in class java.util.AbstractMap
public java.util.Set keySet()
keySet
in interface java.util.Map
keySet
in class java.util.AbstractMap
public boolean equals(java.lang.Object o)
equals
in interface java.util.Map
equals
in class java.util.AbstractMap
public int hashCode()
hashCode
in interface java.util.Map
hashCode
in class java.util.AbstractMap
public java.lang.String toString()
toString
in class java.util.AbstractMap
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