NONRTRIC - ECS updates of the NBI

[nonrtric.git] / enrichment-coordinator-service / src / main / java / org / oransc / enrichment / repository / InfoProducers.java

diff --git a/enrichment-coordinator-service/src/main/java/org/oransc/enrichment/repository/InfoProducers.java b/enrichment-coordinator-service/src/main/java/org/oransc/enrichment/repository/InfoProducers.java
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+++ b/enrichment-coordinator-service/src/main/java/org/oransc/enrichment/repository/InfoProducers.java
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+/*-
+ * ========================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;
+    }
+
+}