私が持っているいくつかの反復的なコードについてのちょっとした考え：
Runnable run = new Runnable() {
@Override
public void run() {
// Some EDT code
}
};
if (!EventQueue.isDispatchThread()) {
SwingUtilities.invokeAndWait(run);
} else {
run.run();
}
それほど煩わしいわけではありませんが、私は見つけられませんでしたが、これをチェックする独自の機能があるようです。
これをチェックする独自の機能があるようです
ありません。
Substance のルック アンド フィールを除いて、使用invokeAndWaitまたはテストする必要はありませんでしたisDispatchThread / isEventDispatchThread。
Substance のルック アンド フィールはいくつかの特殊なケースinvokeAndWaitで必要ですJTable。JTreeSwingX's TreeTable
「EDT の有効期限切れ」には 30 秒の遅延が必要です
出力
run:
Time at : 00:00:45
There isn't Live EventQueue.isDispatchThread, why any reason for that
There isn't Live SwingUtilities.isEventDispatchThread, why any reason for that
Time at : 00:00:45
EventQueue.isDispatchThread
SwingUtilities.isEventDispatchThread
Time at : 00:00:45
EventQueue.isDispatchThread
SwingUtilities.isEventDispatchThread
Time at : 00:01:15
There isn't Live EventQueue.isDispatchThread, why any reason for that
There isn't Live SwingUtilities.isEventDispatchThread, why any reason for that
Push a new event to EDT
Time at : 00:01:45
EventQueue.isDispatchThread
SwingUtilities.isEventDispatchThread
Time at : 00:02:15
There isn't Live EventQueue.isDispatchThread, why any reason for that
There isn't Live SwingUtilities.isEventDispatchThread, why any reason for that
Time at : 00:02:45
There isn't Live EventQueue.isDispatchThread, why any reason for that
There isn't Live SwingUtilities.isEventDispatchThread, why any reason for that
Push a new event to EDT
Time at : 00:03:15
EventQueue.isDispatchThread
SwingUtilities.isEventDispatchThread
Time at : 00:03:45
There isn't Live EventQueue.isDispatchThread, why any reason for that
There isn't Live SwingUtilities.isEventDispatchThread, why any reason for that
Time at : 00:04:15
There isn't Live EventQueue.isDispatchThread, why any reason for that
There isn't Live SwingUtilities.isEventDispatchThread, why any reason for that
Push a new event to EDT
Time at : 00:04:45
EventQueue.isDispatchThread
SwingUtilities.isEventDispatchThread
Terminating this madness
BUILD SUCCESSFUL (total time: 4 minutes 31 seconds)
から
import java.awt.EventQueue;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.concurrent.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.*;
public class IsThereEDT {
private ScheduledExecutorService scheduler;
private AccurateScheduledRunnable periodic;
private ScheduledFuture<?> periodicMonitor;
private int taskPeriod = 30;
private SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
private Date dateRun;
private JFrame frame1 = new JFrame("Frame 1");
public IsThereEDT() {
scheduler = Executors.newSingleThreadScheduledExecutor();
periodic = new AccurateScheduledRunnable() {
private final int ALLOWED_TARDINESS = 200;
private int countRun = 0;
private int countCalled = 0;
private int maxCalled = 10;
@Override
public void run() {
countCalled++;
if (countCalled < maxCalled) {
if (countCalled % 3 == 0) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
System.out.println("Push a new event to EDT");
frame1.repaint();
isThereReallyEDT();
}
});
} else {
if (this.getExecutionTime() < ALLOWED_TARDINESS) {
countRun++;
isThereReallyEDT(); // non on EDT
}
}
} else {
System.out.println("Terminating this madness");
System.exit(0);
}
}
};
periodicMonitor = scheduler.scheduleAtFixedRate(periodic, 0, taskPeriod, TimeUnit.SECONDS);
periodic.setThreadMonitor(periodicMonitor);
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
isThereReallyEDT();
frame1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame1.getContentPane().add(new JLabel("Hello in frame 1"));
frame1.pack();
frame1.setLocation(100, 100);
frame1.setVisible(true);
}
});
try {
Thread.sleep(500);
} catch (InterruptedException ex) {
Logger.getLogger(IsThereEDT.class.getName()).log(Level.SEVERE, null, ex);
}
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
JFrame frame2 = new JFrame("Frame 2");
frame2.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame2.getContentPane().add(new JLabel("Hello in frame 2"));
frame2.pack();
frame2.setLocation(200, 200);
frame2.setVisible(true);
isThereReallyEDT();
}
});
}
private void isThereReallyEDT() {
dateRun = new java.util.Date();
System.out.println(" Time at : " + sdf.format(dateRun));
if (EventQueue.isDispatchThread()) {
System.out.println("EventQueue.isDispatchThread");
} else {
System.out.println("There isn't Live EventQueue.isDispatchThread, why any reason for that ");
}
if (SwingUtilities.isEventDispatchThread()) {
System.out.println("SwingUtilities.isEventDispatchThread");
} else {
System.out.println("There isn't Live SwingUtilities.isEventDispatchThread, why any reason for that ");
}
System.out.println();
}
public static void main(String[] args) {
IsThereEDT isdt = new IsThereEDT();
}
}
abstract class AccurateScheduledRunnable implements Runnable {
private ScheduledFuture<?> thisThreadsMonitor;
public void setThreadMonitor(ScheduledFuture<?> monitor) {
this.thisThreadsMonitor = monitor;
}
protected long getExecutionTime() {
long delay = -1 * thisThreadsMonitor.getDelay(TimeUnit.MILLISECONDS);
return delay;
}
}
あなたはすべてを行うことができます, 注文、方法の変更, による凍結Thread.sleep(int), すべての場合において想定された瞬間に EDT を有効にすることが可能です, 何も影にされない, 奇跡, EDT ではなく天国を呼び出す間違ったコード
使用を検討する
http://docs.oracle.com/javase/7/docs/api/javax/swing/SwingWorker.html
また
http://docs.oracle.com/javase/7/docs/api/javax/swing/Timer.html
代わりは。