2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
6 * Modified Copyright (C) 2018 Samsung Electronics Co., Ltd.
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.common.endpoints.event.comm.bus;
24 import java.util.List;
25 import java.util.Properties;
26 import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
29 * UEB Topic Source Factory.
31 public interface UebTopicSourceFactory {
34 * Creates an UEB Topic Source based on properties files.
36 * @param properties Properties containing initialization values
38 * @return an UEB Topic Source
39 * @throws IllegalArgumentException if invalid parameters are present
41 List<UebTopicSource> build(Properties properties);
44 * Instantiates a new UEB Topic Source.
46 * @param busTopicParams parameters object
47 * @return an UEB Topic Source
49 UebTopicSource build(BusTopicParams busTopicParams);
52 * Instantiates a new UEB Topic Source.
54 * @param servers list of servers
55 * @param topic topic name
56 * @param apiKey API Key
57 * @param apiSecret API Secret
59 * @return an UEB Topic Source
60 * @throws IllegalArgumentException if invalid parameters are present
62 UebTopicSource build(List<String> servers, String topic, String apiKey, String apiSecret);
65 * Instantiates a new UEB Topic Source.
67 * @param servers list of servers
68 * @param topic topic name
70 * @return an UEB Topic Source
71 * @throws IllegalArgumentException if invalid parameters are present
73 UebTopicSource build(List<String> servers, String topic);
76 * Destroys an UEB Topic Source based on a topic.
78 * @param topic topic name
79 * @throws IllegalArgumentException if invalid parameters are present
81 void destroy(String topic);
84 * Destroys all UEB Topic Sources.
89 * Gets an UEB Topic Source based on topic name.
91 * @param topic the topic name
92 * @return an UEB Topic Source with topic name
93 * @throws IllegalArgumentException if an invalid topic is provided
94 * @throws IllegalStateException if the UEB Topic Source is an incorrect state
96 UebTopicSource get(String topic);
99 * Provides a snapshot of the UEB Topic Sources.
101 * @return a list of the UEB Topic Sources
103 List<UebTopicSource> inventory();