1 files changed, 50 insertions, 0 deletions
diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/boundary/adapters.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/boundary/adapters.kt
new file mode 100644
index 00000000..dd0111bc
--- /dev/null
+++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/boundary/adapters.kt
@@ -0,0 +1,50 @@
+/*
+ * ============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.boundary
+
+import org.onap.dcae.collectors.veshv.model.CollectorConfiguration
+import org.onap.dcae.collectors.veshv.model.RoutedMessage
+import reactor.core.publisher.Flux
+
+interface Sink {
+    fun send(messages: Flux<RoutedMessage>): Flux<RoutedMessage>
+}
+
+interface Metrics {
+    fun notifyBytesReceived(size: Int)
+    fun notifyMessageReceived(size: Int)
+    fun notifyMessageSent(topic: String)
+}
+
+@FunctionalInterface
+interface SinkProvider {
+    operator fun invoke(config: CollectorConfiguration): Sink
+
+    companion object {
+        fun just(sink: Sink): SinkProvider =
+                object : SinkProvider {
+                    override fun invoke(config: CollectorConfiguration): Sink = sink
+                }
+    }
+}
+
+interface ConfigurationProvider {
+    operator fun invoke(): Flux<CollectorConfiguration>
+}