+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 Nordix Foundation
+ * %%
+ * 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.oransc.enrichment.repository;
+
+import java.lang.invoke.MethodHandles;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Vector;
+
+import lombok.Builder;
+import lombok.Getter;
+
+import org.oransc.enrichment.controllers.a1e.A1eCallbacks;
+import org.oransc.enrichment.controllers.r1producer.ProducerCallbacks;
+import org.oransc.enrichment.exceptions.ServiceException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+/**
+ * Dynamic representation of all EiProducers.
+ */
+@SuppressWarnings("squid:S2629") // Invoke method(s) only conditionally
+@Component
+public class InfoProducers {
+ private final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+ private final Map<String, InfoProducer> allEiProducers = new HashMap<>();
+ private final MultiMap<InfoProducer> producersByType = new MultiMap<>();
+
+ @Autowired
+ private ProducerCallbacks producerCallbacks;
+
+ @Autowired
+ private A1eCallbacks consumerCallbacks;
+
+ @Autowired
+ private InfoJobs infoJobs;
+
+ @Builder
+ @Getter
+ public static class InfoProducerRegistrationInfo {
+ String id;
+
+ Collection<InfoType> supportedTypes;
+
+ String jobCallbackUrl;
+
+ String producerSupervisionCallbackUrl;
+ }
+
+ public InfoProducer registerProducer(InfoProducerRegistrationInfo producerInfo) {
+ final String producerId = producerInfo.getId();
+ InfoProducer previousDefinition = this.get(producerId);
+ if (previousDefinition != null) {
+ for (InfoType type : previousDefinition.getInfoTypes()) {
+ producersByType.remove(type.getId(), producerId);
+ }
+ allEiProducers.remove(producerId);
+ }
+
+ InfoProducer producer = createProducer(producerInfo);
+ allEiProducers.put(producer.getId(), producer);
+ for (InfoType type : producer.getInfoTypes()) {
+ producersByType.put(type.getId(), producer.getId(), producer);
+ }
+
+ Collection<InfoType> previousTypes =
+ previousDefinition != null ? previousDefinition.getInfoTypes() : new ArrayList<>();
+
+ producerCallbacks.startInfoJobs(producer, this.infoJobs) //
+ .collectList() //
+ .flatMapMany(list -> consumerCallbacks.notifyJobStatus(producer.getInfoTypes())) //
+ .collectList() //
+ .flatMapMany(list -> consumerCallbacks.notifyJobStatus(previousTypes)) //
+ .subscribe();
+
+ return producer;
+ }
+
+ private InfoProducer createProducer(InfoProducerRegistrationInfo producerInfo) {
+ return new InfoProducer(producerInfo.getId(), producerInfo.getSupportedTypes(),
+ producerInfo.getJobCallbackUrl(), producerInfo.getProducerSupervisionCallbackUrl());
+ }
+
+ public synchronized Collection<InfoProducer> getAllProducers() {
+ return new Vector<>(allEiProducers.values());
+ }
+
+ public synchronized InfoProducer getProducer(String id) throws ServiceException {
+ InfoProducer p = allEiProducers.get(id);
+ if (p == null) {
+ throw new ServiceException("Could not find Information Producer: " + id);
+ }
+ return p;
+ }
+
+ public synchronized InfoProducer get(String id) {
+ return allEiProducers.get(id);
+ }
+
+ public synchronized int size() {
+ return allEiProducers.size();
+ }
+
+ public synchronized void clear() {
+ this.allEiProducers.clear();
+ this.producersByType.clear();
+ }
+
+ public void deregisterProducer(InfoProducer producer) {
+ allEiProducers.remove(producer.getId());
+ for (InfoType type : producer.getInfoTypes()) {
+ if (producersByType.remove(type.getId(), producer.getId()) == null) {
+ this.logger.error("Bug, no producer found");
+ }
+ }
+ this.consumerCallbacks.notifyJobStatus(producer.getInfoTypes()) //
+ .subscribe();
+ }
+
+ public synchronized Collection<InfoProducer> getProducersForType(InfoType type) {
+ return this.producersByType.get(type.getId());
+ }
+
+ public synchronized Collection<InfoProducer> getProducersForType(String typeId) {
+ return this.producersByType.get(typeId);
+ }
+
+ public synchronized Collection<String> getProducerIdsForType(String typeId) {
+ Collection<String> producerIds = new ArrayList<>();
+ for (InfoProducer p : this.getProducersForType(typeId)) {
+ producerIds.add(p.getId());
+ }
+ return producerIds;
+ }
+
+ public synchronized boolean isJobEnabled(InfoJob job) {
+ for (InfoProducer producer : this.producersByType.get(job.getTypeId())) {
+ if (producer.isJobEnabled(job)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+}