1 files changed, 58 insertions, 0 deletions
diff --git a/services/services-onappf/src/main/java/org/onap/policy/apex/services/onappf/rest/HealthCheckProvider.java b/services/services-onappf/src/main/java/org/onap/policy/apex/services/onappf/rest/HealthCheckProvider.java
new file mode 100644
index 000000000..12a34ef57
--- /dev/null
+++ b/services/services-onappf/src/main/java/org/onap/policy/apex/services/onappf/rest/HealthCheckProvider.java
@@ -0,0 +1,58 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.services.onappf.rest;
+
+import org.onap.policy.apex.services.onappf.ApexStarterActivator;
+import org.onap.policy.apex.services.onappf.ApexStarterConstants;
+import org.onap.policy.common.endpoints.report.HealthCheckReport;
+import org.onap.policy.common.utils.services.Registry;
+
+/**
+ * Class to fetch health check of ApexStarter service.
+ *
+ * @author Ajith Sreekumar (ajith.sreekumar@est.tech)
+ */
+public class HealthCheckProvider {
+
+    private static final String NOT_ALIVE = "not alive";
+    private static final String ALIVE = "alive";
+    private static final String URL = "self";
+    private static final String NAME = "Policy PDP-A";
+
+    /**
+     * Performs the health check of PAP service.
+     *
+     * @return Report containing health check status
+     */
+    public HealthCheckReport performHealthCheck() {
+        final HealthCheckReport report = new HealthCheckReport();
+        report.setName(NAME);
+        report.setUrl(URL);
+
+        final boolean alive =
+                Registry.get(ApexStarterConstants.REG_APEX_STARTER_ACTIVATOR, ApexStarterActivator.class).isAlive();
+
+        report.setHealthy(alive);
+        report.setCode(alive ? 200 : 500);
+        report.setMessage(alive ? ALIVE : NOT_ALIVE);
+        return report;
+    }
+}