1 files changed, 95 insertions, 0 deletions
diff --git a/sleepingcelldetector/src/main/java/org/onap/rapp/sleepingcelldetector/service/RicConfigurationManager.java b/sleepingcelldetector/src/main/java/org/onap/rapp/sleepingcelldetector/service/RicConfigurationManager.java
new file mode 100644
index 0000000..9253865
--- /dev/null
+++ b/sleepingcelldetector/src/main/java/org/onap/rapp/sleepingcelldetector/service/RicConfigurationManager.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2021 Samsung Electronics
+ * 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
+ */
+
+package org.onap.rapp.sleepingcelldetector.service;
+
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+import javax.annotation.PostConstruct;
+import org.onap.rapp.sleepingcelldetector.entity.RicConfiguration;
+import org.onap.rapp.sleepingcelldetector.entity.policy.PolicyInstance;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
+
+@Service
+public class RicConfigurationManager {
+
+    private static final Logger logger = LoggerFactory.getLogger(RicConfigurationManager.class);
+
+    private final RicConfigurationHolder ricConfigurationHolder;
+    private final PolicyInstanceManager policyInstanceManager;
+    private final PolicyAgentClient policyAgentClient;
+
+    public RicConfigurationManager(RicConfigurationHolder ricConfigurationHolder, PolicyAgentClient policyAgentClient,
+                                   PolicyInstanceManager policyInstanceManager
+    ) {
+        this.ricConfigurationHolder = ricConfigurationHolder;
+        this.policyAgentClient = policyAgentClient;
+        this.policyInstanceManager = policyInstanceManager;
+    }
+
+    @PostConstruct
+    private void getRicConfigurations() throws InterruptedException {
+        logger.info("Policy fetching process started");
+        boolean ricConfigUploadStatus = false;
+        while (!ricConfigUploadStatus) {
+            ricConfigUploadStatus = getRicConfigs();
+            TimeUnit.SECONDS.sleep(10);
+        }
+    }
+
+    private boolean getRicConfigs() {
+        try {
+            List<String> policyIds = policyAgentClient.getPoliciesIds();
+
+            if (policyIds.isEmpty()) {
+                logger.warn("Problems with ric configuration fetching; Next try in 10 sec");
+                return false;
+            }
+
+            saveRicConfiguration(policyIds);
+            policyIds.forEach(this::verifyExistingPolicyInstances);
+            logger.info("Policy fetching process ended successfully");
+            return true;
+        } catch (Exception e) {
+            logger.error("Problems with ric configuration fetching; Next try in 10 sec: " + e.getMessage());
+            return false;
+        }
+    }
+
+    private void saveRicConfiguration(List<String> policyIds) {
+        policyIds.forEach(policyId -> {
+            logger.info("Saving ric configurations for policyId {}", policyId);
+            List<RicConfiguration> ricConfigs = policyAgentClient.getRicConfigurationsByPolicyId(policyId);
+            ricConfigs.forEach(rc -> ricConfigurationHolder.addRic(rc, policyId));
+        });
+    }
+
+    private void verifyExistingPolicyInstances(String policyTypeId) {
+        List<PolicyInstance> policyInstances = policyAgentClient.getPoliciesInstances();
+        if (policyInstances.isEmpty()) {
+            logger.info("No policy instances of type {}", policyTypeId);
+        } else {
+            policyInstances.stream()
+                    .filter(pi -> pi.getType().equals(policyTypeId))
+                    .forEach(this::addPolicyInstance);
+        }
+    }
+
+    private void addPolicyInstance(PolicyInstance pi) {
+        policyInstanceManager.addPolicyInstance(pi);
+        logger.info("Policy Instance of type {} and id {} added on startup", pi.getType(), pi.getId());
+    }
+
+}