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annotate core/src/luan/modules/ThreadLuan.java @ 715:a82d385ec2c3

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add Thread.schedule() and improve Time.period()
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 23 May 2016 16:16:03 -0600
parents cdc70de628b5
children
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4c0131c2b650 merge luan/lib into modules
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1 package luan.modules;
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3 import java.io.Closeable;
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4 import java.util.concurrent.Executor;
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5 import java.util.concurrent.Executors;
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6 import java.util.concurrent.ScheduledExecutorService;
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7 import java.util.concurrent.ScheduledFuture;
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8 import java.util.concurrent.TimeUnit;
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9 import luan.Luan;
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10 import luan.LuanState;
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11 import luan.LuanFunction;
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12 import luan.LuanTable;
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13 import luan.LuanException;
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14 import luan.DeepCloner;
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16
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ebe9db183eb7 rename *Lib.java to *Luan.java
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17 public final class ThreadLuan {
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18 private static final Executor exec = Executors.newCachedThreadPool();
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19 private static final ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor();
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21 public static void fork(LuanState luan,LuanFunction fn,Object... args) {
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22 DeepCloner cloner = new DeepCloner();
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23 final LuanState newLuan = (LuanState)cloner.deepClone(luan);
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24 final LuanFunction newFn = (LuanFunction)cloner.get(fn);
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25 final Object[] newArgs = cloner.deepClone(args);
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26 exec.execute(new Runnable(){public void run() {
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27 try {
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28 newFn.call(newLuan,newArgs);
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29 } catch(LuanException e) {
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30 e.printStackTrace();
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31 }
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32 }});
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33 }
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34
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35 public static LuanFunction synchronized_(final LuanState luan,final LuanFunction fn) throws LuanException {
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36 Utils.checkNotNull(fn);
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37 return new LuanFunction() {
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38 @Override public Object call(LuanState ingored,Object[] args) throws LuanException {
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39 synchronized(luan) {
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40 return fn.call(luan,args);
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41 }
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42 }
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43 };
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44 }
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45
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46 public static void schedule(LuanState luan,long delay,boolean repeat,LuanFunction fn,Object... args) {
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47 DeepCloner cloner = new DeepCloner();
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48 final LuanState newLuan = (LuanState)cloner.deepClone(luan);
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49 final LuanFunction newFn = (LuanFunction)cloner.get(fn);
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50 final Object[] newArgs = cloner.deepClone(args);
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51 Runnable r = new Runnable(){public void run() {
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52 try {
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53 newFn.call(newLuan,newArgs);
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54 } catch(LuanException e) {
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55 e.printStackTrace();
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56 }
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57 }};
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58 final ScheduledFuture sf;
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59 if( repeat ) {
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60 sf = scheduler.scheduleWithFixedDelay(r,delay,delay,TimeUnit.MILLISECONDS);
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61 } else {
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62 sf = scheduler.schedule(r,delay,TimeUnit.MILLISECONDS);
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63 }
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64 final Closeable c = new Closeable(){public void close(){
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65 boolean b = sf.cancel(false);
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66 }};
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67 luan.registry().put(c,c); // prevent gc
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68 luan.onClose(c);
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69 }
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70
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71 }