2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2019 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.common.endpoints.event.comm.bus;
23 import java.util.List;
24 import java.util.Properties;
25 import org.onap.policy.common.endpoints.event.comm.Topic;
26 import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
33 public interface TopicBaseFactory<T extends Topic> {
36 * build a TopicBase instance.
38 * @param properties properties.
41 List<T> build(Properties properties);
44 * build a TopicBase instance.
46 * @param servers servers.
48 * @param managed managed.
51 T build(List<String> servers, String topic, boolean managed);
54 * Construct an instance of an endpoint.
56 * @param param parameters
57 * @return an instance of T.
59 T build(BusTopicParams param);
62 * destroy TopicBase instance.
65 void destroy(String topic);
81 * inventory of T instances.
83 * @return T instance list.