2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2022 Nordix Foundation.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 * ============LICENSE_END=========================================================
19 package org.onap.policy.common.endpoints.event.comm.bus.internal;
21 import org.onap.policy.common.endpoints.event.comm.Topic;
22 import org.onap.policy.common.endpoints.event.comm.bus.KafkaTopicSource;
25 * This topic source implementation specializes in reading messages over an Kafka Bus topic source and
26 * notifying its listeners.
28 public class SingleThreadedKafkaTopicSource extends SingleThreadedBusTopicSource implements KafkaTopicSource {
33 * @param busTopicParams Parameters object containing all the required inputs
34 * @throws IllegalArgumentException An invalid parameter passed in
36 public SingleThreadedKafkaTopicSource(BusTopicParams busTopicParams) {
37 super(busTopicParams);
42 * Initialize the Cambria client.
46 this.consumer = new BusConsumer.KafkaConsumerWrapper(BusTopicParams.builder()
47 .servers(this.servers)
48 .topic(this.effectiveTopic)
49 .useHttps(this.useHttps)
54 public CommInfrastructure getTopicCommInfrastructure() {
55 return Topic.CommInfrastructure.KAFKA;
59 public String toString() {
60 return "SingleThreadedKafkaTopicSource [getTopicCommInfrastructure()=" + getTopicCommInfrastructure()
61 + ", toString()=" + super.toString() + "]";