kotlin-flow-extensions

alltypes

@FlowPreview class BehaviorSubject<T> : AbstractFlow<T>, SubjectAPI<T>

BehaviorSubject()
BehaviorSubject(initialValue: T)
suspend fun collectSafely(collector: FlowCollector<T>): Unit
fun collectorCount(): Int
suspend fun complete(): Unit
suspend fun emit(value: T): Unit
suspend fun emitError(ex: Throwable): Unit
fun hasCollectors(): Boolean

open class BufferingResumableCollector<T> : Resumable

BufferingResumableCollector(capacity: Int)
fun complete(): Unit
suspend fun drain(collector: FlowCollector<T>, onCrash: (BufferingResumableCollector<T>) -> Unit = null): Unit
fun error(ex: Throwable): Unit
suspend fun next(value: T): Unit

interface ConnectableFlow<T> : Flow<T>

abstract suspend fun connect(): Unit
abstract fun disconnect(): Unit
abstract fun reset(): Unit

interface GroupedFlow<K, V> : Flow<V>

abstract val key: K

interface ParallelFlow<out T>

abstract suspend fun collect(vararg collectors: FlowCollector<T>): Unit
abstract val parallelism: Int

@FlowPreview class PublishSubject<T> : AbstractFlow<T>, SubjectAPI<T>

PublishSubject()
@FlowPreview suspend fun collectSafely(collector: FlowCollector<T>): Unit
fun collectorCount(): Int
suspend fun complete(): Unit
suspend fun emit(value: T): Unit
suspend fun emitError(ex: Throwable): Unit
fun hasCollectors(): Boolean

@FlowPreview class ReplaySubject<T> : AbstractFlow<T>, SubjectAPI<T>

ReplaySubject()
ReplaySubject(maxSize: Int)
ReplaySubject(maxTime: Long, unit: TimeUnit)
ReplaySubject(maxSize: Int, maxTime: Long, unit: TimeUnit)
ReplaySubject(maxSize: Int, maxTime: Long, unit: TimeUnit, timeSource: (TimeUnit) -> Long)
@FlowPreview suspend fun collectSafely(collector: FlowCollector<T>): Unit
fun collectorCount(): Int
suspend fun complete(): Unit
suspend fun emit(value: T): Unit
suspend fun emitError(ex: Throwable): Unit
fun hasCollectors(): Boolean

open class Resumable : AtomicReference<Continuation<Any>>

Resumable()
suspend fun await(): Unit
fun resume(): Unit

open class ResumableCollector<T> : Resumable

ResumableCollector()
suspend fun complete(): Unit
suspend fun drain(collector: FlowCollector<T>, onComplete: (ResumableCollector<T>) -> Unit = null): Unit
var error: Throwable?
suspend fun error(error: Throwable): Unit
suspend fun next(value: T): Unit
var value: T

interface SubjectAPI<T> : FlowCollector<T>, Flow<T>

abstract fun collectorCount(): Int
abstract suspend fun complete(): Unit
abstract suspend fun emitError(ex: Throwable): Unit
abstract fun hasCollectors(): Boolean

kotlinx.coroutines.flow.Flow

fun <T> Flow<T>.concatWith(other: Flow<T>): Flow<T>
@FlowPreview fun <T, R> Flow<T>.flatMapDrop(mapper: suspend (T) -> Flow<R>): Flow<R>
@FlowPreview fun <T, K> Flow<T>.groupBy(keySelector: suspend (T) -> K): Flow<GroupedFlow<K, T>>
@FlowPreview fun <T, K, V> Flow<T>.groupBy(keySelector: suspend (T) -> K, valueSelector: suspend (T) -> V): Flow<GroupedFlow<K, V>>
@FlowPreview fun <T> Flow<T>.onBackpressurureDrop(): Flow<T>
fun <T> Flow<T>.parallel(parallelism: Int, runOn: (Int) -> CoroutineDispatcher): ParallelFlow<T>
@FlowPreview fun <T, R> Flow<T>.publish(transform: suspend (Flow<T>) -> Flow<R>): Flow<R>
@FlowPreview fun <T, R> Flow<T>.replay(transform: suspend (Flow<T>) -> Flow<R>): Flow<R>
@FlowPreview fun <T, R> Flow<T>.replay(maxSize: Int, transform: suspend (Flow<T>) -> Flow<R>): Flow<R>
@FlowPreview fun <T, R> Flow<T>.replay(maxTime: Long, unit: TimeUnit, transform: suspend (Flow<T>) -> Flow<R>): Flow<R>
@FlowPreview fun <T, R> Flow<T>.replay(maxSize: Int, maxTime: Long, unit: TimeUnit, transform: suspend (Flow<T>) -> Flow<R>): Flow<R>
@FlowPreview fun <T, R> Flow<T>.replay(maxSize: Int, maxTime: Long, unit: TimeUnit, timeSource: (TimeUnit) -> Long, transform: suspend (Flow<T>) -> Flow<R>): Flow<R>
@FlowPreview fun <T> Flow<T>.startCollectOn(dispatcher: CoroutineDispatcher): Flow<T>
@FlowPreview fun <T, U> Flow<T>.takeUntil(other: Flow<U>): Flow<T>
fun <T> Flow<T>.toList(): Flow<List<T>>

package hu.akarnokd.kotlin.flow

@FlowPreview class BehaviorSubject<T> : AbstractFlow<T>, SubjectAPI<T>

BehaviorSubject()
BehaviorSubject(initialValue: T)
suspend fun collectSafely(collector: FlowCollector<T>): Unit
fun collectorCount(): Int
suspend fun complete(): Unit
suspend fun emit(value: T): Unit
suspend fun emitError(ex: Throwable): Unit
fun hasCollectors(): Boolean

open class BufferingResumableCollector<T> : Resumable

BufferingResumableCollector(capacity: Int)
fun complete(): Unit
suspend fun drain(collector: FlowCollector<T>, onCrash: (BufferingResumableCollector<T>) -> Unit = null): Unit
fun error(ex: Throwable): Unit
suspend fun next(value: T): Unit

interface ConnectableFlow<T> : Flow<T>

abstract suspend fun connect(): Unit
abstract fun disconnect(): Unit
abstract fun reset(): Unit

interface GroupedFlow<K, V> : Flow<V>

abstract val key: K

interface ParallelFlow<out T>

abstract suspend fun collect(vararg collectors: FlowCollector<T>): Unit
abstract val parallelism: Int

@FlowPreview class PublishSubject<T> : AbstractFlow<T>, SubjectAPI<T>

PublishSubject()
@FlowPreview suspend fun collectSafely(collector: FlowCollector<T>): Unit
fun collectorCount(): Int
suspend fun complete(): Unit
suspend fun emit(value: T): Unit
suspend fun emitError(ex: Throwable): Unit
fun hasCollectors(): Boolean

@FlowPreview class ReplaySubject<T> : AbstractFlow<T>, SubjectAPI<T>

ReplaySubject()
ReplaySubject(maxSize: Int)
ReplaySubject(maxTime: Long, unit: TimeUnit)
ReplaySubject(maxSize: Int, maxTime: Long, unit: TimeUnit)
ReplaySubject(maxSize: Int, maxTime: Long, unit: TimeUnit, timeSource: (TimeUnit) -> Long)
@FlowPreview suspend fun collectSafely(collector: FlowCollector<T>): Unit
fun collectorCount(): Int
suspend fun complete(): Unit
suspend fun emit(value: T): Unit
suspend fun emitError(ex: Throwable): Unit
fun hasCollectors(): Boolean

open class Resumable : AtomicReference<Continuation<Any>>

Resumable()
suspend fun await(): Unit
fun resume(): Unit

open class ResumableCollector<T> : Resumable

ResumableCollector()
suspend fun complete(): Unit
suspend fun drain(collector: FlowCollector<T>, onComplete: (ResumableCollector<T>) -> Unit = null): Unit
var error: Throwable?
suspend fun error(error: Throwable): Unit
suspend fun next(value: T): Unit
var value: T

interface SubjectAPI<T> : FlowCollector<T>, Flow<T>

abstract fun collectorCount(): Int
abstract suspend fun complete(): Unit
abstract suspend fun emitError(ex: Throwable): Unit
abstract fun hasCollectors(): Boolean

@ExperimentalCoroutinesApi fun <T, R> ParallelFlow<T>.concatMap(mapper: suspend (T) -> Flow<R>): ParallelFlow<R>
fun <T> ParallelFlow<T>.filter(predicate: suspend (T) -> Boolean): ParallelFlow<T>
kotlinx.coroutines.flow.Flow

fun <T> Flow<T>.concatWith(other: Flow<T>): Flow<T>
@FlowPreview fun <T, R> Flow<T>.flatMapDrop(mapper: suspend (T) -> Flow<R>): Flow<R>
@FlowPreview fun <T, K> Flow<T>.groupBy(keySelector: suspend (T) -> K): Flow<GroupedFlow<K, T>>
@FlowPreview fun <T, K, V> Flow<T>.groupBy(keySelector: suspend (T) -> K, valueSelector: suspend (T) -> V): Flow<GroupedFlow<K, V>>
@FlowPreview fun <T> Flow<T>.onBackpressurureDrop(): Flow<T>
fun <T> Flow<T>.parallel(parallelism: Int, runOn: (Int) -> CoroutineDispatcher): ParallelFlow<T>
@FlowPreview fun <T, R> Flow<T>.publish(transform: suspend (Flow<T>) -> Flow<R>): Flow<R>
@FlowPreview fun <T, R> Flow<T>.replay(transform: suspend (Flow<T>) -> Flow<R>): Flow<R>
@FlowPreview fun <T, R> Flow<T>.replay(maxSize: Int, transform: suspend (Flow<T>) -> Flow<R>): Flow<R>
@FlowPreview fun <T, R> Flow<T>.replay(maxTime: Long, unit: TimeUnit, transform: suspend (Flow<T>) -> Flow<R>): Flow<R>
@FlowPreview fun <T, R> Flow<T>.replay(maxSize: Int, maxTime: Long, unit: TimeUnit, transform: suspend (Flow<T>) -> Flow<R>): Flow<R>
@FlowPreview fun <T, R> Flow<T>.replay(maxSize: Int, maxTime: Long, unit: TimeUnit, timeSource: (TimeUnit) -> Long, transform: suspend (Flow<T>) -> Flow<R>): Flow<R>
@FlowPreview fun <T> Flow<T>.startCollectOn(dispatcher: CoroutineDispatcher): Flow<T>
@FlowPreview fun <T, U> Flow<T>.takeUntil(other: Flow<U>): Flow<T>
fun <T> Flow<T>.toList(): Flow<List<T>>

fun <T, R> ParallelFlow<T>.map(mapper: suspend (T) -> R): ParallelFlow<R>
fun range(start: Int, count: Int): Flow<Int>
fun <T, R> ParallelFlow<T>.reduce(seed: suspend () -> R, combine: suspend (R, T) -> R): ParallelFlow<R>
@FlowPreview fun <T> ParallelFlow<T>.reduce(combine: suspend (T, T) -> T): Flow<T>
@FlowPreview fun <T> ParallelFlow<T>.sequential(): Flow<T>
fun timer(timeout: Long, unit: TimeUnit): Flow<Long>
fun <T, R> ParallelFlow<T>.transform(callback: suspend FlowCollector<R>.(T) -> Unit): ParallelFlow<R>

package hu.akarnokd.kotlin.flow.impl

fun nextPowerOf2(x: Int): Int