1 files changed, 78 insertions, 0 deletions
diff --git a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshCounterTask.java b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshCounterTask.java
new file mode 100644
index 00000000..8eb8fbcb
--- /dev/null
+++ b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshCounterTask.java
@@ -0,0 +1,78 @@
+/*-
+ * ========================LICENSE_START=================================
+ * ONAP : ccsdk oran
+ * ======================================================================
+ * Copyright (C) 2022 Nordix Foundation. All rights reserved.
+ * ======================================================================
+ * 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.ccsdk.oran.a1policymanagementservice.tasks;
+
+import io.micrometer.core.instrument.MeterRegistry;
+import java.lang.invoke.MethodHandles;
+import java.util.concurrent.atomic.AtomicLong;
+import org.onap.ccsdk.oran.a1policymanagementservice.repository.Policies;
+import org.onap.ccsdk.oran.a1policymanagementservice.repository.PolicyTypes;
+import org.onap.ccsdk.oran.a1policymanagementservice.repository.Rics;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+/**
+ * The aim is to collect statistical values from the A1 Policy Management Service.
+ * The counters are being updated every minute.
+ */
+@EnableScheduling
+@Component
+public class RefreshCounterTask {
+
+    private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+    private final Rics rics;
+    private final PolicyTypes policyTypes;
+    private final Policies policies;
+
+    private final MeterRegistry meterRegistry;
+
+    private final AtomicLong ricCount;
+    private final AtomicLong policyTypeCount;
+    private final AtomicLong policyCount;
+
+    @Autowired
+    public RefreshCounterTask(Rics rics, PolicyTypes policyTypes, Policies policies, MeterRegistry meterRegistry) {
+        this.rics = rics;
+        this.policyTypes = policyTypes;
+        this.policies = policies;
+        this.meterRegistry = meterRegistry;
+
+        ricCount = meterRegistry.gauge("total_ric_count", new AtomicLong(0));
+        policyTypeCount = meterRegistry.gauge("total_policy_type_count", new AtomicLong(0));
+        policyCount = meterRegistry.gauge("total_policy_count", new AtomicLong(0));
+    }
+
+    /**
+     * Every minute, updates counters for statistical purposes.
+     */
+    @Scheduled(fixedRate = 1000 * 60)
+    public void checkAllCounters() {
+        logger.trace("Checking counters starting...");
+        ricCount.set(rics.size());
+        policyCount.set(policies.size());
+        policyTypeCount.set(policyTypes.size());
+    }
+}