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small fixes in SpecialStateFlow

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InsanusMokrassar 2023-11-29 20:26:23 +06:00
parent 9d2b50e55d
commit 915bac64b1
1 changed files with 6 additions and 25 deletions
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31
coroutines/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/SpecialStateFlow.kt
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@ -8,9 +8,8 @@ import kotlinx.coroutines.flow.FlowCollector
import kotlinx.coroutines.flow.MutableSharedFlow
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.internal.synchronized
interface SpecialMutableStateFlow<T> : MutableStateFlow<T> {
interface SpecialMutableStateFlow<T> : StateFlow<T>, FlowCollector<T>, MutableSharedFlow<T> {
class Default<T>(
initialValue: T,
internalScope: CoroutineScope = CoroutineScope(Dispatchers.Default)
@ -21,22 +20,16 @@ interface SpecialMutableStateFlow<T> : MutableStateFlow<T> {
onBufferOverflow = BufferOverflow.DROP_OLDEST
)
private val publicSharedFlow: MutableSharedFlow<T> = MutableSharedFlow(
replay = 0,
replay = 1,
extraBufferCapacity = 1,
onBufferOverflow = BufferOverflow.DROP_OLDEST
)
private var _value: T = initialValue
override var value: T
get() {
return _value
}
set(value) {
tryEmit(value)
}
override var value: T = initialValue
private set
private val job = internalSharedFlow.subscribe(internalScope) {
if (_value != it) {
_value = it
if (value != it) {
value = it
publicSharedFlow.emit(it)
}
}
@ -46,18 +39,6 @@ interface SpecialMutableStateFlow<T> : MutableStateFlow<T> {
override val subscriptionCount: StateFlow<Int>
get() = publicSharedFlow.subscriptionCount
init {
value = initialValue
}
override fun compareAndSet(expect: T, update: T): Boolean {
return if (value == expect) {
tryEmit(update)
} else {
false
}
}
@ExperimentalCoroutinesApi
override fun resetReplayCache() = publicSharedFlow.resetReplayCache()