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FlowState

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InsanusMokrassar
2023-11-29 23:54:27 +06:00
parent 9b30c3a155
commit 22d7ac3e22
3 changed files with 58 additions and 11 deletions
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22
coroutines/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/SpecialStateFlow.kt
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@@ -10,27 +10,31 @@ import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
interface SpecialMutableStateFlow<T> : StateFlow<T>, FlowCollector<T>, MutableSharedFlow<T> {
class Default<T>(
open class Default<T>(
initialValue: T,
internalScope: CoroutineScope = CoroutineScope(Dispatchers.Default)
) : SpecialMutableStateFlow<T> {
private val internalSharedFlow: MutableSharedFlow<T> = MutableSharedFlow(
protected val internalSharedFlow: MutableSharedFlow<T> = MutableSharedFlow(
replay = 0,
extraBufferCapacity = 1,
onBufferOverflow = BufferOverflow.DROP_OLDEST
)
private val publicSharedFlow: MutableSharedFlow<T> = MutableSharedFlow(
protected val publicSharedFlow: MutableSharedFlow<T> = MutableSharedFlow(
replay = 1,
extraBufferCapacity = 1,
onBufferOverflow = BufferOverflow.DROP_OLDEST
)
override var value: T = initialValue
private set
private val job = internalSharedFlow.subscribe(internalScope) {
if (value != it) {
value = it
publicSharedFlow.emit(it)
protected var _value: T = initialValue
override val value: T
get() = _value
protected open suspend fun onChange(value: T) {
_value = value
publicSharedFlow.emit(value)
}
protected val job = internalSharedFlow.subscribeSafelyWithoutExceptions(internalScope) {
if (_value != it) {
onChange(it)
}
}