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@file:Suppress("NOTHING_TO_INLINE")
package io.dico.parcels2.storage
import io.dico.parcels2.*
import kotlinx.coroutines.experimental.*
import kotlinx.coroutines.experimental.channels.ProducerScope
import kotlinx.coroutines.experimental.channels.ReceiveChannel
import kotlinx.coroutines.experimental.channels.produce
import java.util.UUID
import java.util.concurrent.Executor
import java.util.concurrent.Executors
typealias DataPair = Pair<ParcelId, ParcelData?>
typealias AddedDataPair<TAttach> = Pair<TAttach, MutableAddedDataMap>
interface Storage {
val name: String
val syncDispatcher: CoroutineDispatcher
val asyncDispatcher: CoroutineDispatcher
val isConnected: Boolean
fun init(): Job
fun shutdown(): Job
fun readParcelData(parcel: ParcelId): Deferred<ParcelData?>
fun readParcelData(parcels: Sequence<ParcelId>): ReceiveChannel<DataPair>
fun readAllParcelData(): ReceiveChannel<DataPair>
fun getOwnedParcels(user: ParcelOwner): Deferred<List<ParcelId>>
fun getNumParcels(user: ParcelOwner): Deferred<Int>
fun setParcelData(parcel: ParcelId, data: ParcelData?): Job
fun setParcelOwner(parcel: ParcelId, owner: ParcelOwner?): Job
fun setParcelPlayerStatus(parcel: ParcelId, player: UUID, status: AddedStatus): Job
fun setParcelAllowsInteractInventory(parcel: ParcelId, value: Boolean): Job
fun setParcelAllowsInteractInputs(parcel: ParcelId, value: Boolean): Job
fun readAllGlobalAddedData(): ReceiveChannel<AddedDataPair<ParcelOwner>>
fun readGlobalAddedData(owner: ParcelOwner): Deferred<MutableAddedDataMap?>
fun setGlobalAddedStatus(owner: ParcelOwner, player: UUID, status: AddedStatus): Job
}
class StorageWithCoroutineBacking internal constructor(val backing: Backing) : Storage {
override val name get() = backing.name
override val syncDispatcher = Executor { it.run() }.asCoroutineDispatcher()
val poolSize: Int get() = 4
override val asyncDispatcher = Executors.newFixedThreadPool(poolSize) { Thread(it, "Parcels2_StorageThread") }.asCoroutineDispatcher()
override val isConnected get() = backing.isConnected
val channelCapacity = 16
private inline fun <T> defer(noinline block: suspend CoroutineScope.() -> T): Deferred<T> {
return async(context = asyncDispatcher, start = CoroutineStart.ATOMIC, block = block)
}
private inline fun job(noinline block: suspend CoroutineScope.() -> Unit): Job {
return launch(context = asyncDispatcher, start = CoroutineStart.ATOMIC, block = block)
}
private inline fun <T> openChannel(noinline block: suspend ProducerScope<T>.() -> Unit): ReceiveChannel<T> {
return produce(asyncDispatcher, capacity = channelCapacity, block = block)
}
override fun init() = job { backing.init() }
override fun shutdown() = job { backing.shutdown() }
override fun readParcelData(parcel: ParcelId) = defer { backing.readParcelData(parcel) }
override fun readParcelData(parcels: Sequence<ParcelId>) = openChannel<DataPair> { backing.produceParcelData(channel, parcels) }
override fun readAllParcelData() = openChannel<DataPair> { backing.produceAllParcelData(channel) }
override fun getOwnedParcels(user: ParcelOwner) = defer { backing.getOwnedParcels(user) }
override fun getNumParcels(user: ParcelOwner) = defer { backing.getNumParcels(user) }
override fun setParcelData(parcel: ParcelId, data: ParcelData?) = job { backing.setParcelData(parcel, data) }
override fun setParcelOwner(parcel: ParcelId, owner: ParcelOwner?) = job { backing.setParcelOwner(parcel, owner) }
override fun setParcelPlayerStatus(parcel: ParcelId, player: UUID, status: AddedStatus) = job { backing.setLocalPlayerStatus(parcel, player, status) }
override fun setParcelAllowsInteractInventory(parcel: ParcelId, value: Boolean) = job { backing.setParcelAllowsInteractInventory(parcel, value) }
override fun setParcelAllowsInteractInputs(parcel: ParcelId, value: Boolean) = job { backing.setParcelAllowsInteractInputs(parcel, value) }
override fun readAllGlobalAddedData(): ReceiveChannel<AddedDataPair<ParcelOwner>> = openChannel { backing.produceAllGlobalAddedData(channel) }
override fun readGlobalAddedData(owner: ParcelOwner): Deferred<MutableAddedDataMap?> = defer { backing.readGlobalAddedData(owner) }
override fun setGlobalAddedStatus(owner: ParcelOwner, player: UUID, status: AddedStatus) = job { backing.setGlobalPlayerStatus(owner, player, status) }
}
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