869 lines
22 KiB
Plaintext
869 lines
22 KiB
Plaintext
{
|
||
"cells": [
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "Al3t64xqN0DN3JmLKHOVn2",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"%use coroutines"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {},
|
||
"source": [
|
||
"# Три оси многозадачности"
|
||
]
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "TawmM9V8by8RGHfhNv7D3m",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"### Синхронный х однопоточный х неконкурентный "
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "XzjwoelmODMg8pmaJRe1KK",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
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"repeat(10){\n",
|
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" println(\"Line number $it\")\n",
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"}"
|
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]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "UuTmCNAMCpUAHaAwWVYJPy",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"import java.util.stream.*\n",
|
||
"\n",
|
||
"IntStream.range(0, 100).sum()"
|
||
]
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "f6DGHwBOIRvKuYjtxVRn0W",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"### Синхронный х однопоточный х конкурентный"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 1,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "O1DPfMSAedOChaqU5JWXrU",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [
|
||
{
|
||
"name": "stderr",
|
||
"output_type": "stream",
|
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"text": [
|
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"null\n",
|
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"java.util.ConcurrentModificationException\n",
|
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"\tat java.base/java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1095)\n",
|
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"\tat java.base/java.util.ArrayList$Itr.next(ArrayList.java:1049)\n",
|
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"\tat Line_0_jupyter.<init>(Line_0.jupyter.kts:6)\n",
|
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"\tat java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)\n",
|
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"\tat java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)\n",
|
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"\tat java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)\n",
|
||
"\tat kotlin.script.experimental.jvm.BasicJvmScriptEvaluator.evalWithConfigAndOtherScriptsResults(BasicJvmScriptEvaluator.kt:122)\n",
|
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"\tat kotlin.script.experimental.jvm.BasicJvmScriptEvaluator.invoke$suspendImpl(BasicJvmScriptEvaluator.kt:48)\n",
|
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"\tat kotlin.script.experimental.jvm.BasicJvmScriptEvaluator.invoke(BasicJvmScriptEvaluator.kt)\n",
|
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"\tat kotlin.script.experimental.jvm.BasicJvmReplEvaluator.eval(BasicJvmReplEvaluator.kt:49)\n",
|
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"\tat org.jetbrains.kotlinx.jupyter.repl.impl.InternalEvaluatorImpl$eval$resultWithDiagnostics$1.invokeSuspend(InternalEvaluatorImpl.kt:127)\n",
|
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"\tat kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)\n",
|
||
"\tat kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:104)\n",
|
||
"\tat kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:277)\n",
|
||
"\tat kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:95)\n",
|
||
"\tat kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:69)\n",
|
||
"\tat kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source)\n",
|
||
"\tat kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking$default(Builders.kt:48)\n",
|
||
"\tat kotlinx.coroutines.BuildersKt.runBlocking$default(Unknown Source)\n",
|
||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.InternalEvaluatorImpl.eval(InternalEvaluatorImpl.kt:127)\n",
|
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"\tat org.jetbrains.kotlinx.jupyter.repl.impl.CellExecutorImpl$execute$1$result$1.invoke(CellExecutorImpl.kt:79)\n",
|
||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.CellExecutorImpl$execute$1$result$1.invoke(CellExecutorImpl.kt:77)\n",
|
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"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.withHost(ReplForJupyterImpl.kt:758)\n",
|
||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.CellExecutorImpl.execute(CellExecutorImpl.kt:77)\n",
|
||
"\tat org.jetbrains.kotlinx.jupyter.repl.execution.CellExecutor$DefaultImpls.execute$default(CellExecutor.kt:12)\n",
|
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"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.evaluateUserCode(ReplForJupyterImpl.kt:581)\n",
|
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"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.access$evaluateUserCode(ReplForJupyterImpl.kt:136)\n",
|
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"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl$evalEx$1.invoke(ReplForJupyterImpl.kt:439)\n",
|
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"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl$evalEx$1.invoke(ReplForJupyterImpl.kt:436)\n",
|
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"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.withEvalContext(ReplForJupyterImpl.kt:417)\n",
|
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"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.evalEx(ReplForJupyterImpl.kt:436)\n",
|
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"\tat org.jetbrains.kotlinx.jupyter.messaging.IdeCompatibleMessageRequestProcessor$processExecuteRequest$1$response$1$1.invoke(IdeCompatibleMessageRequestProcessor.kt:140)\n",
|
||
"\tat org.jetbrains.kotlinx.jupyter.messaging.IdeCompatibleMessageRequestProcessor$processExecuteRequest$1$response$1$1.invoke(IdeCompatibleMessageRequestProcessor.kt:139)\n",
|
||
"\tat org.jetbrains.kotlinx.jupyter.execution.JupyterExecutorImpl$Task.execute(JupyterExecutorImpl.kt:42)\n",
|
||
"\tat org.jetbrains.kotlinx.jupyter.execution.JupyterExecutorImpl$executorThread$1.invoke(JupyterExecutorImpl.kt:82)\n",
|
||
"\tat org.jetbrains.kotlinx.jupyter.execution.JupyterExecutorImpl$executorThread$1.invoke(JupyterExecutorImpl.kt:80)\n",
|
||
"\tat kotlin.concurrent.ThreadsKt$thread$thread$1.run(Thread.kt:30)\n"
|
||
]
|
||
}
|
||
],
|
||
"source": [
|
||
"val list = (0..100).toMutableList()\n",
|
||
"\n",
|
||
"list.forEach {\n",
|
||
" if(it % 2 == 0) list.remove(it)\n",
|
||
"}"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "N3QIwvANEngnvMgsCVJatN",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": []
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "x9nGAXOgOlWxd4cu6Smio8",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"### Синхронный х многопоточный х неконкурентный"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "lRJGB0cHhpjQTdRdGynG0G",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"val sum = IntStream.range(0, 100).parallel().sum()\n",
|
||
"\n",
|
||
"println(sum)"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "1lLEGWWbB6qnFr1qjfSGpo",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": []
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "OTRLxfWLADkMoc9ViJfeEq",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"### Асинхронный х однопоточный х неконкурентный"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "r1yVVtgMhexxzx7gGVmeIg",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"fun runLongTask(result: Int = 8): Int {\n",
|
||
" Thread.sleep(100)\n",
|
||
" println(\"Task complete: $result\")\n",
|
||
" return result\n",
|
||
"}"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "8YvIKfD1I7cfbiPRMpk0DC",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"import java.util.concurrent.*\n",
|
||
"\n",
|
||
"val executor = Executors.newSingleThreadExecutor()\n",
|
||
"\n",
|
||
"val future = executor.submit<Int> {\n",
|
||
" val result = runLongTask()\n",
|
||
" println(result)\n",
|
||
" result\n",
|
||
"}\n",
|
||
"\n",
|
||
"future.get()"
|
||
]
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "nyjKPayaltq8gBzq2bIP1c",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"### Асинхронный х однопоточный х конкурентный "
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "UreOIHJpXQYfkjeHOvf1Bq",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"interface Observable{\n",
|
||
" fun onChange(callback: (Int) -> Unit)\n",
|
||
"}\n",
|
||
"\n",
|
||
"val observable: Observable by lazy{ TODO() }"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "1in8iE7mL9m895XWUNh0Sl",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"val list: MutableList<Int> = mutableListOf<Int>()\n",
|
||
"\n",
|
||
"observable.onChange { \n",
|
||
" list.add(it)\n",
|
||
"}"
|
||
]
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "TczpOZrkCKogcT7x7XWAUT",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"### Асинхронный х многопоточный х неконкурентный"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "YvgL8fFuneP9USjjnsfiQj",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": []
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "9NS1h5b5lJ0BEzieUt6xrr",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"val executor: ExecutorService = Executors.newFixedThreadPool(4)\n",
|
||
"\n",
|
||
"repeat(8){\n",
|
||
" executor.submit{\n",
|
||
" runLongTask(it)\n",
|
||
" }\n",
|
||
"}"
|
||
]
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "REBgToVc8iKIrODCWXPdZj",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"### Синхронный х многопоточный х конкурентный"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "3AjItM8WtjFE9qJo9JvZFW",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"import kotlin.io.path.Path\n",
|
||
"import kotlin.io.path.writeText\n",
|
||
"\n",
|
||
"val file = Path(\"someFile.txt\")\n",
|
||
"\n",
|
||
"val data: List<String> = emptyList()\n",
|
||
"\n",
|
||
"data.stream()\n",
|
||
" .parallel()\n",
|
||
" .forEach { \n",
|
||
" file.writeText(it)\n",
|
||
" }"
|
||
]
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "XDCp5EjIq8v6ABeo5q2K6S",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"### Асинхронный х многопоточный х конкурентный"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "taOKUd5Gc9U6TuGVFZJvew",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"val cache = mutableMapOf<Int, Int>\n",
|
||
"\n",
|
||
"val consumer: (Int) -> Unit = TODO()\n",
|
||
"\n",
|
||
"\n",
|
||
"repeat(8){ i->\n",
|
||
" executor.submit{\n",
|
||
" val result = cache.getOrPut(i){\n",
|
||
" runLongTask(i)\n",
|
||
" }\n",
|
||
" consumer(result)\n",
|
||
" }\n",
|
||
"}"
|
||
]
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "bSK4aInljsXYinbOTNSLdc",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"## Инструменты"
|
||
]
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "qjWpglMy3eSM475ozgnDPA",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"#### Thread"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "nEZ6jKJhVHhsjMvptTQ3rU",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"import kotlin.concurrent.*\n",
|
||
"\n",
|
||
"val t = thread {\n",
|
||
" runLongTask()\n",
|
||
"}\n",
|
||
"t.join()"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "k35GcE4VUIMtrznZ0C3BmC",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": []
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "bX0GaqyAH6q7Max0Tky7DW",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"#### Future"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "TVhCm0JtWiYFFqWYORxuya",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"val future = executor.submit<Int>{\n",
|
||
" runLongTask()\n",
|
||
"}\n",
|
||
"\n",
|
||
"future.get()\n",
|
||
"future.cancel(true)"
|
||
]
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "a5BY9U8m9OeZSSsS0yGRSZ",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"#### CompletableFuture"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "2rchFZt5trGqzOCuU3aPvz",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"import java.util.concurrent.*\n",
|
||
"\n",
|
||
"val cf = CompletableFuture.supplyAsync{\n",
|
||
" runLongTask()\n",
|
||
"}\n",
|
||
"\n",
|
||
"val cf2 = cf.whenComplete{ res, _ ->\n",
|
||
" runLongTask(res - 1)\n",
|
||
"}\n",
|
||
"\n",
|
||
"val cf3 = cf.whenComplete{ res, _ ->\n",
|
||
" runLongTask(res + 1)\n",
|
||
"}\n",
|
||
"\n",
|
||
"cf2.join()\n",
|
||
"cf3.join()"
|
||
]
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "izHWuE5ZZo1hphjMmc7BHj",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"#### Lock"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "JTXxcGnvTS36OVX6GkJfkK",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"import java.util.concurrent.locks.*\n",
|
||
"\n",
|
||
"val list = mutableListOf<Int>()\n",
|
||
"val lock = ReentrantLock()\n",
|
||
"\n",
|
||
"val cf4 = CompletableFuture.supplyAsync{\n",
|
||
" val res = runLongTask(4)\n",
|
||
" lock.withLock { \n",
|
||
" list.add(res)\n",
|
||
" }\n",
|
||
"}\n",
|
||
"\n",
|
||
"val cf5 = CompletableFuture.supplyAsync{\n",
|
||
" val res = runLongTask(5)\n",
|
||
" lock.withLock { \n",
|
||
" list.add(res)\n",
|
||
" }\n",
|
||
"}\n",
|
||
"\n",
|
||
"cf4.join()\n",
|
||
"cf5.join()\n",
|
||
"\n",
|
||
"list"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {},
|
||
"source": [
|
||
"Reactive streams"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"class A(val value: Int)\n",
|
||
"class B(val value: Int)\n",
|
||
"\n",
|
||
"val aFlow = flowOf<A>()\n",
|
||
"val bFlow = flowOf<B>()\n",
|
||
"\n",
|
||
"val combined = aFlow.zip(bFlow){ a, b->\n",
|
||
" a.value + b.value\n",
|
||
"}.debounce(2.seconds)"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {},
|
||
"source": [
|
||
"Actor"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"sealed class Event {\n",
|
||
" class Open(val transactionId: Int): Event()\n",
|
||
" class Close(val tranactionId: Int): Event()\n",
|
||
"}\n",
|
||
"\n",
|
||
"fun interface Actor {\n",
|
||
" suspend fun receive(event: Event)\n",
|
||
"}\n",
|
||
"\n",
|
||
"val actor = object : Actor {\n",
|
||
" private var transaction: Int? = null\n",
|
||
" override suspend fun receive(event: Event) {\n",
|
||
" when (event) {\n",
|
||
" is Event.Open -> if (transaction != null) {\n",
|
||
" error(\"Transaction already open\")\n",
|
||
" } else {\n",
|
||
" transaction = event.transactionId\n",
|
||
" }\n",
|
||
" is Event.Close ->if (transaction != event.tranactionId) {\n",
|
||
" error(\"Wrong transaction id: ${event.tranactionId}\")\n",
|
||
" } else {\n",
|
||
" transaction = null\n",
|
||
" }\n",
|
||
" }\n",
|
||
" }\n",
|
||
"\n",
|
||
"}"
|
||
]
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "YDqoXAD2XEED9MSPRuMMzL",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"## Сорта асинхронности"
|
||
]
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "kb1ccsTMIZX3aacLF6gPrJ",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"#### Callback"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "jZrkouEiPJnMCCpxTFlgVP",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": [
|
||
"import java.net.*\n",
|
||
"import java.net.http.*\n",
|
||
"import java.net.http.HttpResponse.*\n",
|
||
"\n",
|
||
"val client: HttpClient = HttpClient.newHttpClient()\n",
|
||
"\n",
|
||
"val request : HttpRequest = HttpRequest.newBuilder()\n",
|
||
" .uri(URI.create(\"https://sciprog.center\"))\n",
|
||
" .GET().build()\n",
|
||
"\n",
|
||
"val regex = \"\"\"href=\\\"(.+\\.png)\\\"\"\"\".toRegex()\n",
|
||
"\n",
|
||
"client.sendAsync(request, BodyHandlers.ofString())\n",
|
||
" .thenApply{ it.body() }\n",
|
||
" .thenApply{ \n",
|
||
" val resources = regex.findAll(it).map{it.groupValues[1]}\n",
|
||
"\n",
|
||
" resources.forEach { resourceName->\n",
|
||
" val resourceRequest : HttpRequest = HttpRequest.newBuilder()\n",
|
||
" .uri(URI.create(\"https://sciprog.center$resourceName\"))\n",
|
||
" .GET().build()\n",
|
||
" client.sendAsync(resourceRequest, BodyHandlers.ofByteArray()).thenAccept{ resourceResponse ->\n",
|
||
" val bodyBytes = resourceResponse.body()\n",
|
||
" //do something with the body\n",
|
||
" }\n",
|
||
" }\n",
|
||
" resources\n",
|
||
" }\n",
|
||
" .thenAccept{ println(it.toList()) }\n",
|
||
" .join()"
|
||
]
|
||
},
|
||
{
|
||
"attachments": {},
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "7zwURNaHnaTgOTAZumDDcd",
|
||
"type": "MD"
|
||
}
|
||
},
|
||
"source": [
|
||
"#### Реактивные потоки"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {
|
||
"datalore": {
|
||
"hide_input_from_viewers": true,
|
||
"hide_output_from_viewers": true,
|
||
"node_id": "lPXl5Gkvu7CuhlhUV7YJab",
|
||
"type": "CODE"
|
||
}
|
||
},
|
||
"outputs": [],
|
||
"source": []
|
||
}
|
||
],
|
||
"metadata": {
|
||
"datalore": {
|
||
"base_environment": "default",
|
||
"computation_mode": "JUPYTER",
|
||
"package_manager": "pip",
|
||
"packages": [],
|
||
"report_row_ids": [],
|
||
"version": 3
|
||
},
|
||
"kernelspec": {
|
||
"display_name": "Kotlin",
|
||
"language": "kotlin",
|
||
"name": "kotlin"
|
||
},
|
||
"language_info": {
|
||
"codemirror_mode": "text/x-kotlin",
|
||
"file_extension": ".kt",
|
||
"mimetype": "text/x-kotlin",
|
||
"name": "kotlin",
|
||
"nbconvert_exporter": "",
|
||
"pygments_lexer": "kotlin",
|
||
"version": "1.9.23"
|
||
}
|
||
},
|
||
"nbformat": 4,
|
||
"nbformat_minor": 4
|
||
}
|