2 * ============LICENSE_START=======================================================
3 * api-active-standby-management
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.drools.activestandby;
23 import org.onap.policy.drools.utils.OrderedService;
24 import org.onap.policy.drools.utils.OrderedServiceImpl;
27 * This interface provides a way to invoke optional features at various
28 * points in the code. At appropriate points in the
29 * application, the code iterates through this list, invoking these optional
32 public interface ActiveStandbyFeatureAPI extends OrderedService
35 * 'FeatureAPI.impl.getList()' returns an ordered list of objects
36 * implementing the 'FeatureAPI' interface.
38 public static OrderedServiceImpl<ActiveStandbyFeatureAPI> impl =
39 new OrderedServiceImpl<>(ActiveStandbyFeatureAPI.class);
42 * This method returns the resourceName (PDP ID) for the Drools-PDP that is
43 * currently designated as active.
45 * @return String (resourceName)
47 public String getPdpdNowActive();
50 * This method returns the resourceName (PDP ID) for the Drools-PDP that was
51 * previously designated as active.
53 * @return String (resourceName)
55 public String getPdpdLastActive();
58 * This method returns the resourceName associated with this instance of the feature
59 * @return String (resourceName)
61 public String getResourceName();