1 files changed, 115 insertions, 0 deletions
diff --git a/dcae-analytics/dcae-analytics-tca-web/src/main/java/org/onap/dcae/analytics/tca/web/util/function/TcaAppPropsToMrSubscriberPrefsFunction.java b/dcae-analytics/dcae-analytics-tca-web/src/main/java/org/onap/dcae/analytics/tca/web/util/function/TcaAppPropsToMrSubscriberPrefsFunction.java
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+++ b/dcae-analytics/dcae-analytics-tca-web/src/main/java/org/onap/dcae/analytics/tca/web/util/function/TcaAppPropsToMrSubscriberPrefsFunction.java
@@ -0,0 +1,115 @@
+/*
+ * ================================================================================
+ * 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);
+
+    }
+}