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/*
* ================================================================================
* Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*
*/
package org.onap.dcae.analytics.tca.web.util.function;
import java.net.URL;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.function.Function;
import java.util.stream.Collectors;
import org.onap.dcae.analytics.model.configbindingservice.BaseConfigBindingServiceProperties.AutoAdjusting;
import org.onap.dcae.analytics.model.configbindingservice.BaseConfigBindingServiceProperties.SubscriberDetails;
import org.onap.dcae.analytics.model.configbindingservice.ConfigBindingServiceConstants;
import org.onap.dcae.analytics.model.util.function.StringToURLFunction;
import org.onap.dcae.analytics.tca.web.TcaAppProperties;
import org.onap.dcae.analytics.web.dmaap.MrSubscriberPollingPreferences;
import org.onap.dcae.analytics.web.dmaap.MrSubscriberPreferences;
import org.onap.dcae.analytics.web.util.AnalyticsHttpUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpHeaders;
/**
* @author Rajiv Singla
*/
public class TcaAppPropsToMrSubscriberPrefsFunction implements Function<TcaAppProperties, MrSubscriberPreferences> {
private static final Logger logger = LoggerFactory.getLogger(TcaAppPropsToMrSubscriberPrefsFunction.class);
@Override
public MrSubscriberPreferences apply(final TcaAppProperties tcaAppProperties) {
final Map<String, SubscriberDetails> streamsSubscribes = tcaAppProperties.getStreamsSubscribes();
final List<Map.Entry<String, SubscriberDetails>> messageRouterSubscribers =
streamsSubscribes.entrySet().stream()
.filter(ConfigBindingServiceConstants.MESSAGE_ROUTER_PREDICATE)
.collect(Collectors.toList());
// Use first subscriber properties
final Map.Entry<String, SubscriberDetails> firstSubscriberProperties = messageRouterSubscribers.get(0);
if (messageRouterSubscribers.size() > 1) {
logger.warn("Expected one DMaaP MR subscriber properties but found: {}.", messageRouterSubscribers.size());
}
final String subscriberPropertiesKey = firstSubscriberProperties.getKey();
final SubscriberDetails subscriberDetails = firstSubscriberProperties.getValue();
logger.info("Creating DMaaP MR Subscriber from config properties key: {}, props: {}",
subscriberPropertiesKey, subscriberDetails);
final String requestURL = subscriberDetails.getDmaapInfo().getTopicUrl();
final HttpHeaders httpHeaders = AnalyticsHttpUtils.createDefaultHttpHeaders();
final String username = subscriberDetails.getAafUsername();
final String password = subscriberDetails.getAafPassword();
final URL proxyUrl = Optional.ofNullable(subscriberDetails.getProxyUrl())
.flatMap(new StringToURLFunction()).orElse(null);
final Boolean ignoreSSLValidation = subscriberDetails.getIgnoreSSLValidation();
final String consumerGroup = subscriberDetails.getConsumerGroup();
final List<String> consumerIds = subscriberDetails.getConsumerIds();
final Integer messageLimit = subscriberDetails.getMessageLimit();
final Integer timeout = subscriberDetails.getTimeout();
final Boolean enableEcompLogging = tcaAppProperties.getTca().getEnableEcompLogging();
if (subscriberDetails.getPolling() == null) {
return new MrSubscriberPreferences(requestURL, subscriberPropertiesKey, httpHeaders, username, password,
proxyUrl, ignoreSSLValidation, enableEcompLogging, consumerGroup, consumerIds, messageLimit,
timeout, null);
}
final Integer fixedRate = subscriberDetails.getPolling().getFixedRate();
if (fixedRate != null && fixedRate != 0) {
logger.info("Fixed Rate polling will be used for DMaaP MR Subscriber: {}", subscriberPropertiesKey);
final MrSubscriberPollingPreferences pollingPreferences =
new MrSubscriberPollingPreferences(fixedRate, 0, fixedRate, 0);
return new MrSubscriberPreferences(requestURL, subscriberPropertiesKey, httpHeaders, username, password,
proxyUrl, ignoreSSLValidation, enableEcompLogging, consumerGroup, consumerIds, messageLimit,
timeout, pollingPreferences);
}
final AutoAdjusting autoAdjusting = subscriberDetails.getPolling().getAutoAdjusting();
logger.info("Selecting Auto Adjusting polling rate for DMaaP MR Subscriber: {}", subscriberPropertiesKey);
final MrSubscriberPollingPreferences pollingPreferences =
new MrSubscriberPollingPreferences(autoAdjusting.getMin(), autoAdjusting.getStepUp(),
autoAdjusting.getMax(), autoAdjusting.getStepDown());
return new MrSubscriberPreferences(requestURL, subscriberPropertiesKey, httpHeaders, username, password,
proxyUrl, ignoreSSLValidation, enableEcompLogging, consumerGroup, consumerIds, messageLimit, timeout,
pollingPreferences);
}
}
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