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| import kotlinx.coroutines.CoroutineDispatcher | |
| import kotlinx.coroutines.CoroutineScope | |
| import kotlinx.coroutines.CoroutineStart | |
| import kotlinx.coroutines.Dispatchers | |
| import kotlinx.coroutines.Job | |
| import kotlinx.coroutines.coroutineScope | |
| import kotlinx.coroutines.delay | |
| import kotlinx.coroutines.launch | |
| import kotlinx.coroutines.runBlocking | |
| import kotlinx.coroutines.withContext | |
| import kotlin.coroutines.CoroutineContext | |
| import kotlin.coroutines.EmptyCoroutineContext | |
| import kotlin.coroutines.resume | |
| import kotlin.coroutines.suspendCoroutine | |
| interface HotCoroutineScope : CoroutineScope { | |
| val jobMap: MutableMap<String, Job> | |
| fun launchHot( | |
| key: String, | |
| context: CoroutineContext = EmptyCoroutineContext, | |
| start: CoroutineStart = CoroutineStart.DEFAULT, | |
| block: suspend CoroutineScope.() -> Unit | |
| ): Job { | |
| println("hot jobs count: ${jobMap.size}\n") | |
| return jobMap.getOrPut(key) { | |
| println("[$key] launch\n") | |
| launch(context, start, block).also { | |
| it.invokeOnCompletion { | |
| println("[$key] completed\n") | |
| jobMap.remove(key) | |
| } | |
| } | |
| } | |
| } | |
| } | |
| class Presenter( | |
| ui: CoroutineDispatcher, | |
| private val io: CoroutineDispatcher | |
| ) : HotCoroutineScope { | |
| private val job: Job = Job() | |
| private var callCount = 0 | |
| override val coroutineContext: CoroutineContext = job + ui | |
| override val jobMap: MutableMap<String, Job> = mutableMapOf() | |
| fun foo(value: Int) { | |
| launchHot("suspendFun$value") { | |
| runCatching { withContext(io) { suspendFun(value) } } | |
| .onSuccess { render(it) } | |
| .onFailure { render(it) } | |
| } | |
| } | |
| suspend fun suspendFun(value: Int): Int { | |
| println("callCount: ${++callCount}\n") | |
| delay(50) | |
| return value * value | |
| } | |
| fun render(result: Int) { | |
| println("result: $result\n") | |
| } | |
| fun render(e: Throwable) { | |
| println("error: $e\n") | |
| } | |
| } | |
| fun process(value: Int) = runBlocking { | |
| val presenter = Presenter(Dispatchers.Default, Dispatchers.IO) | |
| repeat(50) { | |
| delay(10) | |
| print("call[$it]\n") | |
| presenter.foo(value) | |
| } | |
| print("presenter.jobcount: ${presenter.jobMap.size}\n") | |
| } | |
| process(5) |
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| call[0] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 1 | |
| call[1] | |
| hot jobs count: 1 | |
| call[2] | |
| hot jobs count: 1 | |
| call[3] | |
| hot jobs count: 1 | |
| call[4] | |
| hot jobs count: 1 | |
| call[5] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[6] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 2 | |
| call[7] | |
| hot jobs count: 1 | |
| call[8] | |
| hot jobs count: 1 | |
| call[9] | |
| hot jobs count: 1 | |
| call[10] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[11] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 3 | |
| call[12] | |
| hot jobs count: 1 | |
| call[13] | |
| hot jobs count: 1 | |
| call[14] | |
| hot jobs count: 1 | |
| call[15] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[16] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 4 | |
| call[17] | |
| hot jobs count: 1 | |
| call[18] | |
| hot jobs count: 1 | |
| call[19] | |
| hot jobs count: 1 | |
| call[20] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[21] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 5 | |
| call[22] | |
| hot jobs count: 1 | |
| call[23] | |
| hot jobs count: 1 | |
| call[24] | |
| hot jobs count: 1 | |
| call[25] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[26] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 6 | |
| call[27] | |
| hot jobs count: 1 | |
| call[28] | |
| hot jobs count: 1 | |
| call[29] | |
| hot jobs count: 1 | |
| call[30] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[31] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 7 | |
| call[32] | |
| hot jobs count: 1 | |
| call[33] | |
| hot jobs count: 1 | |
| call[34] | |
| hot jobs count: 1 | |
| call[35] | |
| hot jobs count: 1 | |
| call[36] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[37] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 8 | |
| call[38] | |
| hot jobs count: 1 | |
| call[39] | |
| hot jobs count: 1 | |
| call[40] | |
| hot jobs count: 1 | |
| call[41] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[42] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 9 | |
| call[43] | |
| hot jobs count: 1 | |
| call[44] | |
| hot jobs count: 1 | |
| call[45] | |
| hot jobs count: 1 | |
| call[46] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[47] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 10 | |
| call[48] | |
| hot jobs count: 1 | |
| call[49] | |
| hot jobs count: 1 | |
| presenter.jobcount: 1 | |
| result: 25 | |
| [suspendFun5] completed |
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| import kotlinx.coroutines.CoroutineDispatcher | |
| import kotlinx.coroutines.CoroutineScope | |
| import kotlinx.coroutines.CoroutineStart | |
| import kotlinx.coroutines.Dispatchers | |
| import kotlinx.coroutines.Job | |
| import kotlinx.coroutines.coroutineScope | |
| import kotlinx.coroutines.delay | |
| import kotlinx.coroutines.launch | |
| import kotlinx.coroutines.runBlocking | |
| import kotlinx.coroutines.withContext | |
| import kotlin.coroutines.CoroutineContext | |
| import kotlin.coroutines.EmptyCoroutineContext | |
| import kotlin.coroutines.resume | |
| import kotlin.coroutines.suspendCoroutine | |
| interface HotCoroutineScope : CoroutineScope { | |
| val jobMap: MutableMap<String, Job> | |
| fun launchHot( | |
| key: String, | |
| context: CoroutineContext = EmptyCoroutineContext, | |
| start: CoroutineStart = CoroutineStart.DEFAULT, | |
| block: suspend CoroutineScope.() -> Unit | |
| ): Job { | |
| println("hot jobs count: ${jobMap.size}\n") | |
| return jobMap.getOrPut(key) { | |
| println("[$key] launch\n") | |
| launch(context, start, block).also { | |
| it.invokeOnCompletion { | |
| println("[$key] completed\n") | |
| jobMap.remove(key) | |
| } | |
| } | |
| } | |
| } | |
| } | |
| class Presenter( | |
| ui: CoroutineContext, | |
| private val io: CoroutineDispatcher | |
| ) : HotCoroutineScope { | |
| private val job: Job = Job() | |
| private var callCount = 0 | |
| override val coroutineContext: CoroutineContext = job + ui | |
| override val jobMap: MutableMap<String, Job> = mutableMapOf() | |
| fun foo(value: Int) { | |
| launchHot("suspendFun$value") { | |
| runCatching { withContext(io) { suspendFun(value) } } | |
| .onSuccess { render(it) } | |
| .onFailure { render(it) } | |
| } | |
| } | |
| suspend fun suspendFun(value: Int): Int { | |
| println("callCount: ${++callCount}\n") | |
| delay(50) | |
| return value * value | |
| } | |
| fun render(result: Int) { | |
| println("result: $result\n") | |
| } | |
| fun render(e: Throwable) { | |
| println("error: $e\n") | |
| } | |
| } | |
| fun process(value: Int) = runBlocking { | |
| val presenter = Presenter(coroutineContext, Dispatchers.IO) | |
| repeat(50) { | |
| delay(10) | |
| print("call[$it]\n") | |
| presenter.foo(value) | |
| } | |
| print("presenter.jobcount: ${presenter.jobMap.size}\n") | |
| } | |
| process(5) |
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| call[0] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 1 | |
| call[1] | |
| hot jobs count: 1 | |
| call[2] | |
| hot jobs count: 1 | |
| call[3] | |
| hot jobs count: 1 | |
| call[4] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[5] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 2 | |
| call[6] | |
| hot jobs count: 1 | |
| call[7] | |
| hot jobs count: 1 | |
| call[8] | |
| hot jobs count: 1 | |
| call[9] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[10] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 3 | |
| call[11] | |
| hot jobs count: 1 | |
| call[12] | |
| hot jobs count: 1 | |
| call[13] | |
| hot jobs count: 1 | |
| call[14] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[15] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 4 | |
| call[16] | |
| hot jobs count: 1 | |
| call[17] | |
| hot jobs count: 1 | |
| call[18] | |
| hot jobs count: 1 | |
| call[19] | |
| hot jobs count: 1 | |
| call[20] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[21] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 5 | |
| call[22] | |
| hot jobs count: 1 | |
| call[23] | |
| hot jobs count: 1 | |
| call[24] | |
| hot jobs count: 1 | |
| call[25] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[26] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 6 | |
| call[27] | |
| hot jobs count: 1 | |
| call[28] | |
| hot jobs count: 1 | |
| call[29] | |
| hot jobs count: 1 | |
| call[30] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[31] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 7 | |
| call[32] | |
| hot jobs count: 1 | |
| call[33] | |
| hot jobs count: 1 | |
| call[34] | |
| hot jobs count: 1 | |
| call[35] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[36] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 8 | |
| call[37] | |
| hot jobs count: 1 | |
| call[38] | |
| hot jobs count: 1 | |
| call[39] | |
| hot jobs count: 1 | |
| call[40] | |
| hot jobs count: 1 | |
| call[41] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[42] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 9 | |
| call[43] | |
| hot jobs count: 1 | |
| call[44] | |
| hot jobs count: 1 | |
| call[45] | |
| hot jobs count: 1 | |
| call[46] | |
| hot jobs count: 1 | |
| result: 25 | |
| [suspendFun5] completed | |
| call[47] | |
| hot jobs count: 0 | |
| [suspendFun5] launch | |
| callCount: 10 | |
| call[48] | |
| hot jobs count: 1 | |
| call[49] | |
| hot jobs count: 1 | |
| presenter.jobcount: 1 | |
| result: 25 | |
| [suspendFun5] completed |
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