1 files changed, 61 insertions, 0 deletions
diff --git a/api-active-standby-management/src/main/java/org/onap/policy/drools/activestandby/ActiveStandbyFeatureApi.java b/api-active-standby-management/src/main/java/org/onap/policy/drools/activestandby/ActiveStandbyFeatureApi.java
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+++ b/api-active-standby-management/src/main/java/org/onap/policy/drools/activestandby/ActiveStandbyFeatureApi.java
@@ -0,0 +1,61 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * api-active-standby-management
+ * ================================================================================
+ * Copyright (C) 2017-2019 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.policy.drools.activestandby;
+
+import org.onap.policy.common.utils.services.OrderedService;
+import org.onap.policy.common.utils.services.OrderedServiceImpl;
+
+/**
+ * This interface provides a way to invoke optional features at various points in the code. At
+ * appropriate points in the application, the code iterates through this list, invoking these
+ * optional methods.
+ */
+public interface ActiveStandbyFeatureApi extends OrderedService {
+    /**
+     * 'FeatureAPI.impl.getList()' returns an ordered list of objects implementing the 'FeatureAPI'
+     * interface.
+     */
+    public static OrderedServiceImpl<ActiveStandbyFeatureApi> impl =
+            new OrderedServiceImpl<>(ActiveStandbyFeatureApi.class);
+
+    /**
+     * Returns the resourceName (PDP ID) for the Drools-PDP that is
+     * currently designated as active.
+     *
+     * @return String (resourceName)
+     */
+    public String getPdpdNowActive();
+
+    /**
+     * Returns the resourceName (PDP ID) for the Drools-PDP that is
+     * previously designated as active.
+     *
+     * @return String (resourceName)
+     */
+    public String getPdpdLastActive();
+
+    /**
+     * Returns the resourceName associated with this instance of the feature.
+     *
+     * @return String (resourceName)
+     */
+    public String getResourceName();
+}