public static enum ReferenceMap.ReferenceType extends Enum<ReferenceMap.ReferenceType>
Enum Constant and Description |
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PHANTOM
Similar to weak references except the garbage collector doesn't
actually reclaim the referent.
|
SOFT
Referent reclaimed in an LRU fashion when the VM runs low on memory
and no strong references exist.
|
STRONG
Prevents referent from being reclaimed by the garbage collector.
|
WEAK
Referent reclaimed when no strong or soft references exist.
|
Modifier and Type | Method and Description |
---|---|
static ReferenceMap.ReferenceType |
valueOf(String name)
Returns the enum constant of this type with the specified name.
|
static ReferenceMap.ReferenceType[] |
values()
Returns an array containing the constants of this enum type, in
the order they are declared.
|
public static final ReferenceMap.ReferenceType STRONG
public static final ReferenceMap.ReferenceType SOFT
SoftReference
public static final ReferenceMap.ReferenceType WEAK
WeakReference
public static final ReferenceMap.ReferenceType PHANTOM
PhantomReference
public static ReferenceMap.ReferenceType[] values()
for (ReferenceMap.ReferenceType c : ReferenceMap.ReferenceType.values()) System.out.println(c);
public static ReferenceMap.ReferenceType valueOf(String name)
name
- the name of the enum constant to be returned.IllegalArgumentException
- if this enum type has no constant
with the specified nameNullPointerException
- if the argument is nullCopyright © 2014. All rights reserved.