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Improve Async demo

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This commit is contained in:
konsoletyper 2015-03-08 14:13:25 +03:00
parent 3a78db74c1
commit 4f508954d0
6 changed files with 259 additions and 3 deletions
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2
teavm-samples/teavm-samples-async/pom.xml
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@ -64,7 +64,7 @@
<targetDirectory>${project.build.directory}/generated/js/teavm</targetDirectory> <targetDirectory>${project.build.directory}/generated/js/teavm</targetDirectory>
<mainClass>org.teavm.samples.async.AsyncProgram</mainClass> <mainClass>org.teavm.samples.async.AsyncProgram</mainClass>
<runtime>SEPARATE</runtime> <runtime>SEPARATE</runtime>
<minifying>false</minifying> <minifying>true</minifying>
<debugInformationGenerated>true</debugInformationGenerated> <debugInformationGenerated>true</debugInformationGenerated>
<sourceMapsGenerated>true</sourceMapsGenerated> <sourceMapsGenerated>true</sourceMapsGenerated>
<sourceFilesCopied>true</sourceFilesCopied> <sourceFilesCopied>true</sourceFilesCopied>

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teavm-samples/teavm-samples-async/src/main/webapp/highlight.pack.js Normal file
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173
teavm-samples/teavm-samples-async/src/main/webapp/index.html
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@ -20,8 +20,177 @@
<meta http-equiv="Content-Type" content="text/html;charset=utf-8"> <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<script type="text/javascript" charset="utf-8" src="teavm/runtime.js"></script> <script type="text/javascript" charset="utf-8" src="teavm/runtime.js"></script>
<script type="text/javascript" charset="utf-8" src="teavm/classes.js"></script> <script type="text/javascript" charset="utf-8" src="teavm/classes.js"></script>
<script type="text/javascript" charset="utf-8" src="teavm/stdout.js"></script>
<script type="text/javascript" charset="utf-8" src="highlight.pack.js"></script>
<link rel="stylesheet" type="text/css" href="style.css"></link>
<link rel="stylesheet" type="text/css" href="syntax.css"></link>
<script type="text/javascript">
function runAll() {
hljs.highlightBlock(document.getElementById("source-code"));
main(["foo", "bar"]);
}
</script>
</head> </head>
<body onload="main()"> <body onload="runAll()">
<p>Please, open developer's console to view program's output</p> <div id="description">This application shows how TeaVM can handle multiple threads and synchronization primitives
(see <a href="https://github.com/konsoletyper/teavm/tree/master/teavm-samples/teavm-samples-async">source code on GitHub</a>).</div>
<div id="blocks">
<div class="block" id="stdout-wrapper">
<div class="block-title">stdout</div>
<div class="block-content" id="stdout"></div>
</div>
<div class="block" id="source-wrapper">
<div class="block-title">Source code</div>
<pre class="block-content" id="source-code">
public final class AsyncProgram {
private static long start = System.currentTimeMillis();
private AsyncProgram() {
}
public static void main(String[] args) throws InterruptedException {
report(Arrays.toString(args));
findPrimes();
withoutAsync();
report("");
withAsync();
report("");
final Object lock = new Object();
Thread t = new Thread(new Runnable() {
@Override
public void run() {
try {
doRun(lock);
} catch (InterruptedException ex) {
report("Exception caught: " + ex.getMessage());
}
}
}, "Test Thread");
t.start();
Thread t2 = new Thread(new Runnable() {
@Override
public void run() {
try {
doRun(lock);
} catch (InterruptedException ex) {
report("Exception caught: " + ex.getMessage());
}
}
}, "Test Thread 2");
t2.start();
report("Should be main");
report("Now trying wait...");
synchronized (lock) {
report("Lock acquired");
lock.wait(20000);
}
report("Finished main thread");
}
private static void findPrimes() {
report("Finding primes");
boolean[] prime = new boolean[1000];
prime[2] = true;
prime[3] = true;
nextPrime: for (int i = 5; i < prime.length; i += 2) {
int maxPrime = (int)Math.sqrt(i);
for (int j = 3; j <= maxPrime; j += 2) {
Thread.yield();
if (prime[j] && i % j == 0) {
continue nextPrime;
}
}
prime[i] = true;
}
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 1000; ++i) {
if (prime[i]) {
sb.append(i).append(' ');
}
}
report(sb.toString());
}
private static void report(String message) {
long current = System.currentTimeMillis() - start;
System.out.println("[" + Thread.currentThread().getName() + "]/" + current + ": " + message);
}
private static void doRun(Object lock) throws InterruptedException {
report("Executing timer task");
Thread.sleep(2000);
report("Calling lock.notify()");
synchronized (lock) {
lock.notify();
}
report("Finished calling lock.notify()");
report("Waiting 5 seconds");
Thread.sleep(5000);
report("Finished another 5 second sleep");
synchronized (lock) {
report("Sleep inside locked section");
Thread.sleep(2000);
report("Finished locked section");
}
}
private static void withoutAsync() {
report("Start sync");
for (int i = 0; i < 20; ++i) {
StringBuilder sb = new StringBuilder();
for (int j = 0; j <= i; ++j) {
sb.append(j);
sb.append(' ');
}
report(sb.toString());
}
report("Complete sync");
}
private static void withAsync() throws InterruptedException {
report("Start async");
for (int i = 0; i < 20; ++i) {
StringBuilder sb = new StringBuilder();
for (int j = 0; j <= i; ++j) {
sb.append(j);
sb.append(' ');
}
report(sb.toString());
if (i % 3 == 0) {
report("Suspend for a second");
Thread.sleep(1000);
}
}
report("2nd Thread.sleep in same method");
Thread.sleep(1000);
report("Throwing exception");
try {
throwException();
} catch (IllegalStateException e) {
report("Exception caught");
}
report("Complete async");
}
private static void throwException() {
Thread.yield();
report("Thread.yield called");
throw new IllegalStateException();
}
}
</pre>
</div>
</div>
</body> </body>
</html> </html>

62
teavm-samples/teavm-samples-async/src/main/webapp/style.css Normal file
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@ -0,0 +1,62 @@
html, body {
position: absolute;
left: 0;
top: 0;
right: 0;
bottom: 0;
margin: 0;
padding: 0;
}
.block {
position: absolute;
left: 0px;
right: 0px;
}
.block-title {
position: absolute;
top: 10px;
height: 20px;
left: 10px;
right: 10px;
font-weight: bold;
}
.block-content {
position: absolute;
top: 30px;
bottom: 5px;
left: 10px;
right: 10px;
background-color: rgb(240,240,240);
border-width: 1px;
border-style: solid;
border-color: rgb(210,210,210);
overflow: auto;
padding: 3px;
margin: 0;
border-radius: 3px;
}
#description {
position: absolute;
top: 10px;
height: 40px;
left: 10px;
right: 10px;
}
#blocks {
position: absolute;
top: 50px;
bottom: 0;
left: 0;
right: 0;
}
#stdout-wrapper {
top: 0;
height: 50%;
}
#source-wrapper {
top: 50%;
bottom: 0;
}

12
teavm-samples/teavm-samples-async/src/main/webapp/syntax.css Normal file
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@ -0,0 +1,12 @@
.hljs-keyword {
font-weight: bold;
}
.hljs-class .hljs-title {
color: #9BB01D;
}
.hljs-annotation {
color: #FFA500;
}
.hljs-string, .hljs-number {
color: red;
}

12
teavm-samples/teavm-samples-async/src/main/webapp/teavm/stdout.js Normal file
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@ -0,0 +1,12 @@
function $rt_putStdout(ch) {
if (ch == 0xA) {
var lineElem = document.createElement("div");
var stdoutElem = document.getElementById("stdout");
lineElem.appendChild(document.createTextNode($rt_stdoutBuffer));
stdoutElem.appendChild(lineElem);
$rt_stdoutBuffer = "";
stdoutElem.scrollTop = stdoutElem.scrollHeight;
} else {
$rt_stdoutBuffer += String.fromCharCode(ch);
}
}