1 files changed, 72 insertions, 0 deletions
diff --git a/sources/hv-collector-ves-message-generator/src/main/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/vesevent/VesEventGenerator.kt b/sources/hv-collector-ves-message-generator/src/main/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/vesevent/VesEventGenerator.kt
new file mode 100644
index 00000000..7abd6054
--- /dev/null
+++ b/sources/hv-collector-ves-message-generator/src/main/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/vesevent/VesEventGenerator.kt
@@ -0,0 +1,72 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018-2019 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.ves.message.generator.impl.vesevent
+
+import com.google.protobuf.ByteString
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageGenerator
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventParameters
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType.FIXED_PAYLOAD
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType.TOO_BIG_PAYLOAD
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType.VALID
+import org.onap.ves.VesEventOuterClass.CommonEventHeader
+import org.onap.ves.VesEventOuterClass.VesEvent
+import reactor.core.publisher.Flux
+import reactor.core.publisher.Mono
+
+/**
+ * @author Jakub Dudycz <jakub.dudycz@nokia.com>
+ * @since June 2018
+ */
+class VesEventGenerator internal constructor(
+        private val payloadGenerator: PayloadGenerator,
+        private val maxPayloadSizeBytes: Int
+) : MessageGenerator<VesEventParameters, VesEvent>() {
+
+    override fun createMessageFlux(parameters: VesEventParameters): Flux<VesEvent> =
+            parameters.run {
+                Mono
+                        .fromCallable { createMessage(commonEventHeader, messageType) }
+                        .let { repeatMessage(it, amount) }
+            }
+
+    private fun createMessage(commonEventHeader: CommonEventHeader, messageType: VesEventType): VesEvent =
+            when (messageType) {
+                VALID -> vesEvent(commonEventHeader, payloadGenerator.generatePayload())
+                TOO_BIG_PAYLOAD -> vesEvent(commonEventHeader, oversizedPayload())
+                FIXED_PAYLOAD -> vesEvent(commonEventHeader, fixedPayload())
+            }
+
+    private fun vesEvent(commonEventHeader: CommonEventHeader, payload: ByteString): VesEvent =
+            VesEvent.newBuilder()
+                    .setCommonEventHeader(commonEventHeader)
+                    .setEventFields(payload)
+                    .build()
+
+    private fun oversizedPayload(): ByteString =
+            payloadGenerator.generateRawPayload(maxPayloadSizeBytes + 1)
+
+    private fun fixedPayload(): ByteString =
+            payloadGenerator.generateRawPayload(FIXED_PAYLOAD_SIZE)
+
+    companion object {
+        const val FIXED_PAYLOAD_SIZE = 100
+    }
+}