Added support for EiJob status

[nonrtric.git] / enrichment-coordinator-service / src / main / java / org / oransc / enrichment / controllers / producer / ProducerCallbacks.java

diff --git a/enrichment-coordinator-service/src/main/java/org/oransc/enrichment/controllers/producer/ProducerCallbacks.java b/enrichment-coordinator-service/src/main/java/org/oransc/enrichment/controllers/producer/ProducerCallbacks.java
new file mode 100644 (file)
index 0000000..e00ac74
--- /dev/null
+++ b/enrichment-coordinator-service/src/main/java/org/oransc/enrichment/controllers/producer/ProducerCallbacks.java
@@ -0,0 +1,114 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2020 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.controllers.producer;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+import java.lang.invoke.MethodHandles;
+import java.util.Collection;
+import java.util.Vector;
+
+import org.oransc.enrichment.clients.AsyncRestClient;
+import org.oransc.enrichment.clients.AsyncRestClientFactory;
+import org.oransc.enrichment.configuration.ApplicationConfig;
+import org.oransc.enrichment.repository.EiJob;
+import org.oransc.enrichment.repository.EiProducer;
+import org.oransc.enrichment.repository.EiTypes;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+/**
+ * Callbacks to the EiProducer
+ */
+@Component
+@SuppressWarnings("java:S3457") // No need to call "toString()" method as formatting and string ..
+public class ProducerCallbacks {
+
+    private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+    private static Gson gson = new GsonBuilder().create();
+
+    private final AsyncRestClient restClient;
+    private final EiTypes eiTypes;
+
+    @Autowired
+    public ProducerCallbacks(ApplicationConfig config, EiTypes eiTypes) {
+        AsyncRestClientFactory restClientFactory = new AsyncRestClientFactory(config.getWebClientConfig());
+        this.restClient = restClientFactory.createRestClient("");
+        this.eiTypes = eiTypes;
+    }
+
+    public void notifyProducersJobDeleted(EiJob eiJob) {
+        ProducerJobInfo request = new ProducerJobInfo(eiJob);
+        String body = gson.toJson(request);
+        for (EiProducer producer : getProducers(eiJob)) {
+            restClient.post(producer.getJobDeletionCallbackUrl(), body) //
+                .subscribe(notUsed -> logger.debug("Job deleted OK {}", producer.getId()), //
+                    throwable -> logger.warn("Job delete failed {}", producer.getId(), throwable.toString()), null);
+        }
+    }
+
+    /**
+     * Calls all producers for an EiJob activation.
+     * 
+     * @param eiJob an EI job
+     * @return the number of producers that returned OK
+     */
+    public Mono<Integer> notifyProducersJobStarted(EiJob eiJob) {
+        return Flux.fromIterable(getProducers(eiJob)) //
+            .flatMap(eiProducer -> notifyProducerJobStarted(eiProducer, eiJob)) //
+            .collectList() //
+            .flatMap(okResponses -> Mono.just(Integer.valueOf(okResponses.size()))); //
+    }
+
+    /**
+     * Calls one producer for an EiJob activation.
+     * 
+     * @param producer a producer
+     * @param eiJob an EI job
+     * @return the body of the response from the REST call
+     */
+    public Mono<String> notifyProducerJobStarted(EiProducer producer, EiJob eiJob) {
+        ProducerJobInfo request = new ProducerJobInfo(eiJob);
+        String body = gson.toJson(request);
+
+        return restClient.post(producer.getJobCreationCallbackUrl(), body)
+            .doOnNext(resp -> logger.debug("Job subscription started OK {}", producer.getId()))
+            .onErrorResume(throwable -> {
+                logger.warn("Job subscription failed {}", producer.getId(), throwable.toString());
+                return Mono.empty();
+            });
+    }
+
+    private Collection<EiProducer> getProducers(EiJob eiJob) {
+        try {
+            return this.eiTypes.getType(eiJob.typeId()).getProducers();
+        } catch (Exception e) {
+            return new Vector<>();
+        }
+    }
+
+}