port RedstonerPlots a bit

1 files changed, 37 insertions, 0 deletions

diff --git a/src/main/kotlin/io/dico/parcels2/storage/Backing.kt b/src/main/kotlin/io/dico/parcels2/storage/Backing.kt
new file mode 100644
index 0000000..cd33b3d
--- /dev/null
+++ b/src/main/kotlin/io/dico/parcels2/storage/Backing.kt
@@ -0,0 +1,37 @@
+package io.dico.parcels2.storage
+
+import io.dico.parcels2.Parcel
+import io.dico.parcels2.ParcelData
+import io.dico.parcels2.ParcelOwner
+import io.dico.parcels2.storage.SerializableParcel
+import kotlinx.coroutines.experimental.channels.ProducerScope
+import java.util.*
+
+interface Backing {
+
+    val name: String
+
+    suspend fun init()
+
+    suspend fun shutdown()
+
+    /**
+     * This producer function is capable of constantly reading plots from a potentially infinite sequence,
+     * and provide plotdata for it as read from the database.
+     */
+
+    suspend fun ProducerScope<Pair<Parcel, ParcelData?>>.produceParcelData(parcels: Sequence<Parcel>)
+
+    suspend fun readParcelData(plotFor: Parcel): ParcelData?
+
+    suspend fun getOwnedParcels(user: ParcelOwner): List<SerializableParcel>
+
+    suspend fun setParcelOwner(plotFor: Parcel, owner: ParcelOwner?)
+
+    suspend fun setParcelPlayerState(plotFor: Parcel, player: UUID, state: Boolean?)
+
+    suspend fun setParcelAllowsInteractInventory(plot: Parcel, value: Boolean)
+
+    suspend fun setParcelAllowsInteractInputs(plot: Parcel, value: Boolean)
+
+}
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