1 files changed, 57 insertions, 0 deletions
diff --git a/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/XnfSimulator.kt b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/XnfSimulator.kt
new file mode 100644
index 00000000..ee4734ae
--- /dev/null
+++ b/sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/impl/XnfSimulator.kt
@@ -0,0 +1,57 @@
+/*
+ * ============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.core.Either
+import arrow.core.Some
+import arrow.core.Try
+import arrow.core.fix
+import arrow.effects.IO
+import arrow.instances.either.monad.monad
+import arrow.typeclasses.binding
+import org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters.VesHvClient
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageGenerator
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageParametersParser
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.ParsingError
+import java.io.InputStream
+import javax.json.Json
+
+/**
+ * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
+ * @since August 2018
+ */
+class XnfSimulator(
+        private val vesClient: VesHvClient,
+        private val messageGenerator: MessageGenerator,
+        private val messageParametersParser: MessageParametersParser = MessageParametersParser.INSTANCE) {
+
+    fun startSimulation(messageParameters: InputStream): Either<ParsingError, IO<Unit>> =
+            Either.monad<ParsingError>().binding {
+                val json = parseJsonArray(messageParameters).bind()
+                val parsed = messageParametersParser.parse(json).bind()
+                val generatedMessages = messageGenerator.createMessageFlux(parsed)
+                vesClient.sendIo(generatedMessages)
+            }.fix()
+
+    private fun parseJsonArray(jsonStream: InputStream) =
+            Try {
+                Json.createReader(jsonStream).readArray()
+            }.toEither().mapLeft { ParsingError("failed to parse JSON", Some(it)) }
+}