class DelayedUpdate - sophisticated update triggering on AWT thread (quick fast update + full update) [1000943]

< > BotCompany Repo | #1000943 // class DelayedUpdate - sophisticated update triggering on AWT thread (quick fast update + full update)

JavaX fragment (include)

static class DelayedUpdate {
  Runnable renderer;
  volatile long version;
  long lastUpdate; // AWT time
  int delay = 1000;
  
  *(Runnable *renderer) {}

  void trigger() {
    awt {
      awt_quickUpdate();
    }

    final long n = ++version;
    
    javax.swing.Timer timer = new javax.swing.Timer(delay, actionListener {
      awt_show(n);
    });
    timer.setRepeats(false);
    timer.start(); 
  }

  void awt_quickUpdate() {
    if (lastUpdate < now()-delay) {
      render();
      lastUpdate = now(); // This can be rough, no problem
    }
  }

  void awt_show(long n) {
    if (n == version) {
      render();
      lastUpdate = now();
    }
  }
  
  void render() {
    try {
      renderer.run();
    } catch (Throwable e) {
      e.printStackTrace();
    }
  }
}

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Snippet ID:

#1000943

Snippet name:

class DelayedUpdate - sophisticated update triggering on AWT thread (quick fast update + full update)

Eternal ID of this version:

#1000943/1

Text MD5:

e7cb8248051a31330bd6f3e2244d9315

Author:

stefan

Category:

javax

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2016-11-08 00:24:17

Source code size:

823 bytes / 44 lines

Pitched / IR pitched:

No / No

Views / Downloads:

710 / 3192

Referenced in:

[show references]

1	static class DelayedUpdate {
2	Runnable renderer;
3	volatile long version;
4	long lastUpdate; // AWT time
5	int delay = 1000;
6
7	(Runnable renderer) {}
8
9	void trigger() {
10	awt {
11	awt_quickUpdate();
12	}
13
14	final long n = ++version;
15
16	javax.swing.Timer timer = new javax.swing.Timer(delay, actionListener {
17	awt_show(n);
18	});
19	timer.setRepeats(false);
20	timer.start();
21	}
22
23	void awt_quickUpdate() {
24	if (lastUpdate < now()-delay) {
25	render();
26	lastUpdate = now(); // This can be rough, no problem
27	}
28	}
29
30	void awt_show(long n) {
31	if (n == version) {
32	render();
33	lastUpdate = now();
34	}
35	}
36
37	void render() {
38	try {
39	renderer.run();
40	} catch (Throwable e) {
41	e.printStackTrace();
42	}
43	}
44	}