1 files changed, 76 insertions, 0 deletions
diff --git a/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/simulations.kt b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/simulations.kt
new file mode 100644
index 00000000..21748ae8
--- /dev/null
+++ b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/simulations.kt
@@ -0,0 +1,76 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcae.collectors.veshv.simulators.xnf.impl
+
+import arrow.effects.IO
+import kotlinx.coroutines.asCoroutineDispatcher
+import org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters.XnfApiServer
+import org.onap.dcae.collectors.veshv.utils.logging.Logger
+import java.util.*
+import java.util.concurrent.ConcurrentHashMap
+import java.util.concurrent.Executor
+import java.util.concurrent.Executors
+
+/**
+ * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
+ * @since August 2018
+ */
+class OngoingSimulations(executor: Executor = Executors.newCachedThreadPool()) {
+    private val asyncSimulationContext = executor.asCoroutineDispatcher()
+    private val simulations = ConcurrentHashMap<UUID, Status>()
+
+    fun startAsynchronousSimulation(simulationIo: IO<Unit>): UUID {
+        val id = UUID.randomUUID()
+        simulations[id] = StatusOngoing
+
+        simulationIo.continueOn(asyncSimulationContext).unsafeRunAsync { result ->
+            result.fold(
+                    { err ->
+                        logger.warn("Error", err)
+                        simulations[id] = StatusFailure(err)
+                    },
+                    {
+                        logger.info("Finished sending messages")
+                        simulations[id] = StatusSuccess
+                    }
+            )
+        }
+        return id
+    }
+
+    fun status(id: UUID) = simulations.getOrDefault(id, StatusNotFound)
+
+    internal fun clear() {
+        simulations.clear()
+    }
+
+    companion object {
+        private val logger = Logger(XnfApiServer::class)
+    }
+}
+
+sealed class Status(val message: String) {
+    override fun toString() = this::class.simpleName ?: "null"
+}
+
+object StatusNotFound : Status("not found")
+object StatusOngoing : Status("ongoing")
+object StatusSuccess : Status("success")
+data class StatusFailure(val cause: Throwable) : Status("Error ${cause.message}")