2 * ========================LICENSE_START=================================
5 * Copyright (C) 2019 Nordix Foundation
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.oransc.policyagent.dmaap;
23 import java.io.IOException;
24 import java.util.Properties;
26 import org.onap.dmaap.mr.client.MRClientFactory;
27 import org.onap.dmaap.mr.client.MRConsumer;
28 import org.onap.dmaap.mr.client.response.MRConsumerResponse;
29 import org.oransc.policyagent.configuration.ApplicationConfig;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
32 import org.springframework.beans.factory.annotation.Autowired;
33 import org.springframework.scheduling.annotation.EnableScheduling;
34 import org.springframework.scheduling.annotation.Scheduled;
35 import org.springframework.stereotype.Component;
39 public class DmaapMessageConsumerImpl implements DmaapMessageConsumer {
41 private static final Logger logger = LoggerFactory.getLogger(DmaapMessageConsumerImpl.class);
43 private boolean alive = false;
44 private final ApplicationConfig applicationConfig;
45 protected MRConsumer consumer;
46 private MRConsumerResponse response = null;
49 public DmaapMessageConsumerImpl(ApplicationConfig applicationConfig) {
50 this.applicationConfig = applicationConfig;
53 @Scheduled(fixedRate = 1000 * 60)
61 Iterable<String> dmaapMsgs = fetchAllMessages();
62 for (String msg : dmaapMsgs) {
65 } catch (Exception e) {
66 logger.error("{}: cannot fetch because of ", this, e.getMessage(), e);
71 private Iterable<String> fetchAllMessages() {
72 response = consumer.fetchWithReturnConsumerResponse();
73 if (response == null) {
74 logger.warn("{}: DMaaP NULL response received", this);
76 logger.debug("DMaaP consumer received {} : {}", response.getResponseCode(), response.getResponseMessage());
77 if (!"200".equals(response.getResponseCode())) {
78 logger.error("DMaaP consumer received: {} : {}", response.getResponseCode(),
79 response.getResponseMessage());
82 return response.getActualMessages();
87 Properties dmaapConsumerProperties = applicationConfig.getDmaapConsumerConfig();
88 Properties dmaapPublisherProperties = applicationConfig.getDmaapPublisherConfig();
89 // No need to start if there is no configuration.
90 if (dmaapConsumerProperties == null || dmaapPublisherProperties == null || dmaapConsumerProperties.size() == 0
91 || dmaapPublisherProperties.size() == 0) {
94 // Do we need to do any validation of properties before calling the factory?
96 consumer = MRClientFactory.createConsumer(dmaapConsumerProperties);
98 } catch (IOException e) {
99 logger.error("Exception occurred while creating Dmaap Consumer", e);
104 public void processMsg(String msg) throws Exception {
105 System.out.println("sysout" + msg);
106 // Call the concurrent Task executor to handle the incoming request
107 // Validate the Input & if its valid, post the ACCEPTED Response back to DMAAP
108 // through REST CLIENT
109 // Call the Controller with the extracted payload
113 public boolean isAlive() {
118 public void stopConsumer() {