1 files changed, 58 insertions, 0 deletions
diff --git a/aai-failover/src/main/java/org/onap/aai/failover/FailoverMonitor.java b/aai-failover/src/main/java/org/onap/aai/failover/FailoverMonitor.java
new file mode 100644
index 00000000..cadddc24
--- /dev/null
+++ b/aai-failover/src/main/java/org/onap/aai/failover/FailoverMonitor.java
@@ -0,0 +1,58 @@
+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017-2018 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.onap.aai.failover;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Properties;
+
+@Component
+public class FailoverMonitor {
+
+    private static final String IS_PRIMARY = "is_primary";
+    private static final String TRUE = "true";
+    private static final String DEFAULT_FOR_PRIMARY = TRUE;
+
+    @Value("${failover.location:/opt/app/failover/failover.properties}")
+    private String failoverPropertiesPath;
+
+    public boolean shouldRun() throws IOException {
+
+        Path failoverPath = Paths.get(failoverPropertiesPath);
+
+        if(Files.exists(failoverPath)){
+            Properties properties = new Properties();
+            try (InputStream is = Files.newInputStream(failoverPath)){
+                properties.load(is);
+                // If the property is_primary is missing then it should proceed
+                return TRUE.equals(properties.getProperty(IS_PRIMARY, DEFAULT_FOR_PRIMARY));
+            }
+        } else {
+            // If the file doesn't exist, then scheduled task should execute
+            return true;
+        }
+    }
+}