public abstract class SwingWorker extends Object
Modifier and Type | Class and Description |
---|---|
private static class |
SwingWorker.ThreadVar
Class to maintain reference to current worker thread under separate synchronization control.
|
Modifier and Type | Field and Description |
---|---|
private SwingWorker.ThreadVar |
threadVar |
private Object |
value |
Constructor and Description |
---|
SwingWorker()
Start a thread that will call the
construct method and then exit. |
Modifier and Type | Method and Description |
---|---|
abstract Object |
construct()
Compute the value to be returned by the
get method. |
void |
finished()
Called on the event dispatching thread (not on the worker thread) after the
construct method has
returned. |
Object |
get()
Return the value created by the
construct method. |
protected Object |
getValue()
Get the value produced by the worker thread, or null if it hasn't been constructed yet.
|
void |
interrupt()
A new method that interrupts the worker thread.
|
private void |
setValue(Object x)
Set the value produced by worker thread
|
void |
start()
Start the worker thread.
|
private Object value
private SwingWorker.ThreadVar threadVar
public SwingWorker()
construct
method and then exit.protected Object getValue()
private void setValue(Object x)
public abstract Object construct()
get
method.public void finished()
construct
method has
returned.public void interrupt()
public Object get()
construct
method. Returns null if either the constructing thread or
the current thread was interrupted before a value was produced.construct
methodpublic void start()