2 * ============LICENSE_START=======================================================
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.utils;
24 * This is a base interface that is used to control the order of a list
25 * of services (features) discovered via 'ServiceLoader'. See
26 * 'OrderedServiceImpl' for more details.
28 public interface OrderedService
31 * @return an integer sequence number, which determines the order of a list
32 * of objects implementing this interface
34 public int getSequenceNumber();
38 * @return the name of the ordered service
40 public default String getName() {return this.getClass().getName();}