java.lang.ref
public abstract class
public abstract class
java.lang.ref.Reference
| java.lang.Object | ||
| java.lang.ref.Reference | ||
Abstract class which describes behavior common to all reference objects.
Known Direct Subclasses
Known Indirect Subclasses
Summary
Public Methods
| void | clear() | ||||
| Make the referent null. | |||||
| boolean | enqueue() | ||||
| Force the reference object to be enqueued if it has been associated with a queue. | |||||
| T | get() | ||||
| Return the referent of the reference object. | |||||
| boolean | isEnqueued() | ||||
| Return whether the reference object has been enqueued. | |||||
Methods inherited
from class
java.lang.Object
Details
Public Methods
public void clear()
Make the referent null. This does not force the reference object to be
enqueued.
public boolean enqueue()
Force the reference object to be enqueued if it has been associated with
a queue.
Returns
- boolean true if Reference is enqueued. false otherwise.
public T get()
Return the referent of the reference object.
Returns
- Referent to which reference refers, or null if object has been cleared.
public boolean isEnqueued()
Return whether the reference object has been enqueued.
Returns
- boolean true if Reference has been enqueued. false otherwise.