-/*\r
- * ===============================LICENSE_START======================================\r
- * dcae-analytics\r
- * ================================================================================\r
- * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
- * ================================================================================\r
- * Licensed under the Apache License, Version 2.0 (the "License");\r
- * you may not use this file except in compliance with the License.\r
- * You may obtain a copy of the License at\r
- *\r
- * http://www.apache.org/licenses/LICENSE-2.0\r
- *\r
- * Unless required by applicable law or agreed to in writing, software\r
- * distributed under the License is distributed on an "AS IS" BASIS,\r
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * See the License for the specific language governing permissions and\r
- * limitations under the License.\r
- * ============================LICENSE_END===========================================\r
- */\r
-\r
-package org.openecomp.dcae.apod.analytics.cdap.common.utils;\r
-\r
-import co.cask.cdap.api.metrics.Metrics;\r
-import com.google.common.base.Optional;\r
-import com.google.common.base.Stopwatch;\r
-import org.openecomp.dcae.apod.analytics.cdap.common.CDAPMetricsConstants;\r
-import org.openecomp.dcae.apod.analytics.common.exception.DCAEAnalyticsRuntimeException;\r
-import org.openecomp.dcae.apod.analytics.common.utils.HTTPUtils;\r
-import org.openecomp.dcae.apod.analytics.dmaap.domain.response.DMaaPMRSubscriberResponse;\r
-import org.openecomp.dcae.apod.analytics.dmaap.service.subscriber.DMaaPMRSubscriber;\r
-import org.slf4j.Logger;\r
-import org.slf4j.LoggerFactory;\r
-\r
-import java.util.List;\r
-\r
-/**\r
- * Utility common methods for DMaaP MR functionality\r
- *\r
- * @author Rajiv Singla . Creation Date: 2/6/2017.\r
- */\r
-public abstract class DMaaPMRUtils {\r
-\r
- private static final Logger LOG = LoggerFactory.getLogger(DMaaPMRUtils.class);\r
-\r
- private DMaaPMRUtils() {\r
- // private constructor\r
- }\r
-\r
-\r
- /**\r
- * Returns messages fetched from DMaaP MR Subscriber.\r
- *\r
- * @param subscriber DMaaP MR Subscriber instance\r
- * @param metrics CDAP metrics\r
- *\r
- * @return messages fetched from DMaaP MR topic\r
- */\r
- public static Optional<List<String>> getSubscriberMessages(final DMaaPMRSubscriber subscriber,\r
- final Metrics metrics) {\r
-\r
- final Optional<DMaaPMRSubscriberResponse> subscriberResponseOptional =\r
- getSubscriberResponse(subscriber, metrics);\r
-\r
- // If response is not present, unable to proceed\r
- if (!subscriberResponseOptional.isPresent()) {\r
- return Optional.absent();\r
- }\r
-\r
- final DMaaPMRSubscriberResponse subscriberResponse = subscriberResponseOptional.get();\r
-\r
- // If response code return by the subscriber call is not successful, unable to do proceed\r
- if (!HTTPUtils.isSuccessfulResponseCode(subscriberResponse.getResponseCode())) {\r
- LOG.error("Subscriber was unable to fetch messages properly.Subscriber Response Code: {} " +\r
- "Unable to proceed further....", subscriberResponse.getResponseCode());\r
- metrics.count(CDAPMetricsConstants.DMAAP_MR_SUBSCRIBER_UNSUCCESSFUL_RESPONSES_METRIC, 1);\r
- return Optional.absent();\r
- }\r
-\r
- LOG.debug("Subscriber HTTP Response Status Code match successful: {}", subscriberResponse,\r
- HTTPUtils.HTTP_SUCCESS_STATUS_CODE);\r
-\r
- final List<String> actualMessages = subscriberResponse.getFetchedMessages();\r
-\r
- // If there are no message returned during from Subscriber, nothing to write to CDAP Stream\r
- if (actualMessages.isEmpty()) {\r
- LOG.debug("Subscriber Response has no messages. Nothing to write....");\r
- metrics.count(CDAPMetricsConstants.DMAAP_MR_SUBSCRIBER_RESPONSES_WITH_NO_MESSAGES_METRIC, 1);\r
- return Optional.absent();\r
- }\r
-\r
- LOG.debug("DMaaP MR Subscriber found new messages in DMaaP Topic. Message count: {}", actualMessages.size());\r
- metrics.count(CDAPMetricsConstants.DMAAP_MR_SUBSCRIBER_TOTAL_MESSAGES_PROCESSED_METRIC, actualMessages.size());\r
-\r
- return Optional.of(actualMessages);\r
-\r
- }\r
-\r
-\r
- /**\r
- * Get Subscriber response and records time taken to fetch messages. Returns Optional.None if Subscriber response\r
- * is null or response status code is not present\r
- *\r
- * @param subscriber - DMaaP Subscriber\r
- * @param metrics - CDAP Metrics collector\r
- *\r
- * @return - Optional of Subscriber Response\r
- */\r
- public static Optional<DMaaPMRSubscriberResponse> getSubscriberResponse(final DMaaPMRSubscriber subscriber,\r
- final Metrics metrics) {\r
-\r
- // Record all response count from subscriber\r
- metrics.count(CDAPMetricsConstants.DMAAP_MR_SUBSCRIBER_ALL_RESPONSES_COUNT_METRIC, 1);\r
-\r
- // Check how long it took for subscriber to respond\r
- final Stopwatch stopwatch = new Stopwatch();\r
- stopwatch.start();\r
-\r
- // Fetch messages from DMaaP MR Topic\r
- DMaaPMRSubscriberResponse subscriberResponse = null;\r
- try {\r
- subscriberResponse = subscriber.fetchMessages();\r
- } catch (DCAEAnalyticsRuntimeException e) {\r
- LOG.error("Error while fetching messages for DMaaP MR Topic: {}", e);\r
- }\r
-\r
- stopwatch.stop();\r
- final long subscriberResponseTimeMS = stopwatch.elapsedMillis();\r
-\r
- // If response is null is null or response code is null, unable to proceed nothing to do\r
- if (subscriberResponse == null || subscriberResponse.getResponseCode() == null) {\r
- LOG.error("Subscriber Response is null or subscriber Response code is null. Unable to proceed further...");\r
- return Optional.absent();\r
- }\r
-\r
- LOG.debug("Subscriber Response:{}, Subscriber HTTP Response Status Code {}, Subscriber Response Time(ms): {}",\r
- subscriberResponse, subscriberResponse.getResponseCode(), subscriberResponseTimeMS);\r
-\r
- // Record subscriber response time\r
- metrics.gauge(CDAPMetricsConstants.DMAAP_MR_SUBSCRIBER_RESPONSE_TIME_MS_METRIC, subscriberResponseTimeMS);\r
-\r
- return Optional.of(subscriberResponse);\r
- }\r
-\r
-}\r
+/*
+ * ===============================LICENSE_START======================================
+ * dcae-analytics
+ * ================================================================================
+ * Copyright © 2017 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.apod.analytics.cdap.common.utils;
+
+import co.cask.cdap.api.metrics.Metrics;
+import com.google.common.base.Optional;
+import com.google.common.base.Stopwatch;
+import org.onap.dcae.apod.analytics.cdap.common.CDAPMetricsConstants;
+import org.onap.dcae.apod.analytics.common.exception.DCAEAnalyticsRuntimeException;
+import org.onap.dcae.apod.analytics.common.utils.HTTPUtils;
+import org.onap.dcae.apod.analytics.dmaap.domain.response.DMaaPMRSubscriberResponse;
+import org.onap.dcae.apod.analytics.dmaap.service.subscriber.DMaaPMRSubscriber;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+
+/**
+ * Utility common methods for DMaaP MR functionality
+ *
+ * @author Rajiv Singla . Creation Date: 2/6/2017.
+ */
+public abstract class DMaaPMRUtils {
+
+ private static final Logger LOG = LoggerFactory.getLogger(DMaaPMRUtils.class);
+
+ private DMaaPMRUtils() {
+ // private constructor
+ }
+
+
+ /**
+ * Returns messages fetched from DMaaP MR Subscriber.
+ *
+ * @param subscriber DMaaP MR Subscriber instance
+ * @param metrics CDAP metrics
+ *
+ * @return messages fetched from DMaaP MR topic
+ */
+ public static Optional<List<String>> getSubscriberMessages(final DMaaPMRSubscriber subscriber,
+ final Metrics metrics) {
+
+ final Optional<DMaaPMRSubscriberResponse> subscriberResponseOptional =
+ getSubscriberResponse(subscriber, metrics);
+
+ // If response is not present, unable to proceed
+ if (!subscriberResponseOptional.isPresent()) {
+ return Optional.absent();
+ }
+
+ final DMaaPMRSubscriberResponse subscriberResponse = subscriberResponseOptional.get();
+
+ // If response code return by the subscriber call is not successful, unable to do proceed
+ if (!HTTPUtils.isSuccessfulResponseCode(subscriberResponse.getResponseCode())) {
+ LOG.error("Subscriber was unable to fetch messages properly.Subscriber Response Code: {} " +
+ "Unable to proceed further....", subscriberResponse.getResponseCode());
+ metrics.count(CDAPMetricsConstants.DMAAP_MR_SUBSCRIBER_UNSUCCESSFUL_RESPONSES_METRIC, 1);
+ return Optional.absent();
+ }
+
+ LOG.debug("Subscriber HTTP Response Status Code match successful: {}", subscriberResponse,
+ HTTPUtils.HTTP_SUCCESS_STATUS_CODE);
+
+ final List<String> actualMessages = subscriberResponse.getFetchedMessages();
+
+ // If there are no message returned during from Subscriber, nothing to write to CDAP Stream
+ if (actualMessages.isEmpty()) {
+ LOG.debug("Subscriber Response has no messages. Nothing to write....");
+ metrics.count(CDAPMetricsConstants.DMAAP_MR_SUBSCRIBER_RESPONSES_WITH_NO_MESSAGES_METRIC, 1);
+ return Optional.absent();
+ }
+
+ LOG.debug("DMaaP MR Subscriber found new messages in DMaaP Topic. Message count: {}", actualMessages.size());
+ metrics.count(CDAPMetricsConstants.DMAAP_MR_SUBSCRIBER_TOTAL_MESSAGES_PROCESSED_METRIC, actualMessages.size());
+
+ return Optional.of(actualMessages);
+
+ }
+
+
+ /**
+ * Get Subscriber response and records time taken to fetch messages. Returns Optional.None if Subscriber response
+ * is null or response status code is not present
+ *
+ * @param subscriber - DMaaP Subscriber
+ * @param metrics - CDAP Metrics collector
+ *
+ * @return - Optional of Subscriber Response
+ */
+ public static Optional<DMaaPMRSubscriberResponse> getSubscriberResponse(final DMaaPMRSubscriber subscriber,
+ final Metrics metrics) {
+
+ // Record all response count from subscriber
+ metrics.count(CDAPMetricsConstants.DMAAP_MR_SUBSCRIBER_ALL_RESPONSES_COUNT_METRIC, 1);
+
+ // Check how long it took for subscriber to respond
+ final Stopwatch stopwatch = new Stopwatch();
+ stopwatch.start();
+
+ // Fetch messages from DMaaP MR Topic
+ DMaaPMRSubscriberResponse subscriberResponse = null;
+ try {
+ subscriberResponse = subscriber.fetchMessages();
+ } catch (DCAEAnalyticsRuntimeException e) {
+ LOG.error("Error while fetching messages for DMaaP MR Topic: {}", e);
+ }
+
+ stopwatch.stop();
+ final long subscriberResponseTimeMS = stopwatch.elapsedMillis();
+
+ // If response is null is null or response code is null, unable to proceed nothing to do
+ if (subscriberResponse == null || subscriberResponse.getResponseCode() == null) {
+ LOG.error("Subscriber Response is null or subscriber Response code is null. Unable to proceed further...");
+ return Optional.absent();
+ }
+
+ LOG.debug("Subscriber Response:{}, Subscriber HTTP Response Status Code {}, Subscriber Response Time(ms): {}",
+ subscriberResponse, subscriberResponse.getResponseCode(), subscriberResponseTimeMS);
+
+ // Record subscriber response time
+ metrics.gauge(CDAPMetricsConstants.DMAAP_MR_SUBSCRIBER_RESPONSE_TIME_MS_METRIC, subscriberResponseTimeMS);
+
+ return Optional.of(subscriberResponse);
+ }
+
+}
Code Review / dcaegen2 / analytics / tca.git / blobdiff