1 files changed, 80 insertions, 0 deletions
diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/factory/CollectorFactory.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/factory/CollectorFactory.kt
new file mode 100644
index 00000000..5c96e1c5
--- /dev/null
+++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/factory/CollectorFactory.kt
@@ -0,0 +1,80 @@
+/*
+ * ============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.factory
+
+import org.onap.dcae.collectors.veshv.boundary.Collector
+import org.onap.dcae.collectors.veshv.boundary.CollectorProvider
+import org.onap.dcae.collectors.veshv.boundary.ConfigurationProvider
+import org.onap.dcae.collectors.veshv.boundary.Metrics
+import org.onap.dcae.collectors.veshv.boundary.SinkProvider
+import org.onap.dcae.collectors.veshv.domain.WireFrameDecoder
+import org.onap.dcae.collectors.veshv.healthcheck.api.HealthState
+import org.onap.dcae.collectors.veshv.healthcheck.api.HealthDescription
+import org.onap.dcae.collectors.veshv.impl.Router
+import org.onap.dcae.collectors.veshv.impl.VesDecoder
+import org.onap.dcae.collectors.veshv.impl.VesHvCollector
+import org.onap.dcae.collectors.veshv.impl.wire.WireChunkDecoder
+import org.onap.dcae.collectors.veshv.model.CollectorConfiguration
+import org.onap.dcae.collectors.veshv.utils.arrow.getOption
+import org.onap.dcae.collectors.veshv.utils.logging.Logger
+import java.util.concurrent.atomic.AtomicReference
+
+/**
+ * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
+ * @since May 2018
+ */
+class CollectorFactory(val configuration: ConfigurationProvider,
+                       private val sinkProvider: SinkProvider,
+                       private val metrics: Metrics,
+                       private val maximumPayloadSizeBytes: Int,
+                       private val healthState: HealthState = HealthState.INSTANCE) {
+
+    fun createVesHvCollectorProvider(): CollectorProvider {
+        val collector: AtomicReference<Collector> = AtomicReference()
+        configuration()
+                .map(this::createVesHvCollector)
+                .doOnNext {
+                    logger.info("Using updated configuration for new connections")
+                    healthState.changeState(HealthDescription.HEALTHY)
+                }
+                .doOnError {
+                    logger.error("Failed to acquire configuration from consul")
+                    healthState.changeState(HealthDescription.CONSUL_CONFIGURATION_NOT_FOUND)
+                }
+                .subscribe(collector::set)
+        return collector::getOption
+    }
+
+    private fun createVesHvCollector(config: CollectorConfiguration): Collector {
+        return VesHvCollector(
+                wireChunkDecoderSupplier = { alloc ->
+                    WireChunkDecoder(WireFrameDecoder(maximumPayloadSizeBytes), alloc)
+                },
+                protobufDecoder = VesDecoder(),
+                router = Router(config.routing),
+                sink = sinkProvider(config),
+                metrics = metrics)
+    }
+
+    companion object {
+        private val logger = Logger(CollectorFactory::class)
+    }
+}
+