1 files changed, 69 insertions, 0 deletions
diff --git a/openecomp-be/backend/openecomp-sdc-healthcheck-manager/src/main/java/org/openecomp/sdc/health/impl/HealthCheckDaoImpl.java b/openecomp-be/backend/openecomp-sdc-healthcheck-manager/src/main/java/org/openecomp/sdc/health/impl/HealthCheckDaoImpl.java
new file mode 100644
index 0000000000..f9b4215322
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-healthcheck-manager/src/main/java/org/openecomp/sdc/health/impl/HealthCheckDaoImpl.java
@@ -0,0 +1,69 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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.openecomp.sdc.health.impl;
+
+
+import com.datastax.driver.core.ResultSet;
+import com.datastax.driver.core.exceptions.DriverException;
+import com.datastax.driver.mapping.annotations.Accessor;
+import com.datastax.driver.mapping.annotations.Query;
+import org.openecomp.core.nosqldb.api.NoSqlDb;
+import org.openecomp.core.nosqldb.factory.NoSqlDbFactory;
+import org.openecomp.sdc.health.HealthCheckDao;
+import org.openecomp.sdc.logging.api.Logger;
+import org.openecomp.sdc.logging.api.LoggerFactory;
+
+public class HealthCheckDaoImpl implements HealthCheckDao {
+
+    private static final NoSqlDb noSqlDb = NoSqlDbFactory.getInstance().createInterface();
+
+    private static final CheckHealthAccessor accessor =
+            noSqlDb.getMappingManager().createAccessor(CheckHealthAccessor.class);
+    private static final Logger logger = LoggerFactory.getLogger(HealthCheckDaoImpl.class);
+
+    @Override
+    public boolean checkHealth() throws Exception {
+        try {
+            ResultSet resultSet = accessor.checkHealth();
+            return resultSet.getColumnDefinitions().contains("key");
+        } catch (DriverException ex) {
+            logger.error("Health check failure" + ex.getMessage(), ex);
+            throw ex;
+        } catch (Exception ex) {
+            logger.error("Health check failure" + ex.getMessage(), ex);
+            throw new Exception("Internal Error.");
+        }
+    }
+
+    @Override
+    public String getVersion() {
+        return noSqlDb.getVersion();
+    }
+
+    @Accessor
+    interface CheckHealthAccessor {
+
+        @Query("SELECT * FROM application_config LIMIT 1")
+        ResultSet checkHealth();
+
+    }
+
+}