forked from D-Net/dnet-hadoop
251 lines
8.8 KiB
Java
251 lines
8.8 KiB
Java
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package eu.dnetlib.dhp.broker.oa;
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import java.io.IOException;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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import org.apache.commons.codec.digest.DigestUtils;
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import org.apache.commons.io.IOUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpDelete;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.spark.SparkConf;
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import org.apache.spark.api.java.JavaRDD;
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import org.apache.spark.sql.Dataset;
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import org.apache.spark.sql.Encoders;
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import org.apache.spark.sql.SparkSession;
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import org.apache.spark.util.LongAccumulator;
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import org.elasticsearch.spark.rdd.api.java.JavaEsSpark;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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import eu.dnetlib.dhp.broker.model.ConditionParams;
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import eu.dnetlib.dhp.broker.model.Event;
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import eu.dnetlib.dhp.broker.model.MappedFields;
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import eu.dnetlib.dhp.broker.model.Notification;
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import eu.dnetlib.dhp.broker.model.Subscription;
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import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
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import eu.dnetlib.dhp.broker.oa.util.NotificationGroup;
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import eu.dnetlib.dhp.broker.oa.util.SubscriptionUtils;
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public class IndexNotificationsJob {
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private static final Logger log = LoggerFactory.getLogger(IndexNotificationsJob.class);
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public static void main(final String[] args) throws Exception {
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final ArgumentApplicationParser parser = new ArgumentApplicationParser(
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IOUtils
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.toString(
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IndexNotificationsJob.class
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.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/index_notifications.json")));
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parser.parseArgument(args);
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final SparkConf conf = new SparkConf();
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final String eventsPath = parser.get("outputDir") + "/events";
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log.info("eventsPath: {}", eventsPath);
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final String index = parser.get("index");
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log.info("index: {}", index);
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final String indexHost = parser.get("esHost");
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log.info("indexHost: {}", indexHost);
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final String esBatchWriteRetryCount = parser.get("esBatchWriteRetryCount");
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log.info("esBatchWriteRetryCount: {}", esBatchWriteRetryCount);
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final String esBatchWriteRetryWait = parser.get("esBatchWriteRetryWait");
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log.info("esBatchWriteRetryWait: {}", esBatchWriteRetryWait);
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final String esBatchSizeEntries = parser.get("esBatchSizeEntries");
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log.info("esBatchSizeEntries: {}", esBatchSizeEntries);
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final String esNodesWanOnly = parser.get("esNodesWanOnly");
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log.info("esNodesWanOnly: {}", esNodesWanOnly);
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final String brokerApiBaseUrl = parser.get("brokerApiBaseUrl");
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log.info("brokerApiBaseUrl: {}", brokerApiBaseUrl);
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final SparkSession spark = SparkSession.builder().config(conf).getOrCreate();
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final LongAccumulator total = spark.sparkContext().longAccumulator("total_indexed");
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final long startTime = new Date().getTime();
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final List<Subscription> subscriptions = listSubscriptions(brokerApiBaseUrl);
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log.info("Number of subscriptions: " + subscriptions.size());
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if (subscriptions.size() > 0) {
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final Dataset<Notification> notifications = ClusterUtils
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.readPath(spark, eventsPath, Event.class)
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.map(e -> generateNotifications(e, subscriptions, startTime), Encoders.bean(NotificationGroup.class))
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.flatMap(g -> g.getData().iterator(), Encoders.bean(Notification.class));
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final JavaRDD<String> inputRdd = notifications
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.map(n -> prepareForIndexing(n, total), Encoders.STRING())
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.javaRDD();
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final Map<String, String> esCfg = new HashMap<>();
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// esCfg.put("es.nodes", "10.19.65.51, 10.19.65.52, 10.19.65.53, 10.19.65.54");
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esCfg.put("es.index.auto.create", "false");
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esCfg.put("es.nodes", indexHost);
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esCfg.put("es.mapping.id", "notificationId"); // THE PRIMARY KEY
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esCfg.put("es.batch.write.retry.count", esBatchWriteRetryCount);
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esCfg.put("es.batch.write.retry.wait", esBatchWriteRetryWait);
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esCfg.put("es.batch.size.entries", esBatchSizeEntries);
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esCfg.put("es.nodes.wan.only", esNodesWanOnly);
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log.info("*** Start indexing");
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JavaEsSpark.saveJsonToEs(inputRdd, index, esCfg);
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log.info("*** End indexing");
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log.info("*** Deleting old notifications");
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final String message = deleteOldNotifications(brokerApiBaseUrl, startTime - 1000);
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log.info("*** Deleted notifications: " + message);
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log.info("*** sendNotifications (emails, ...)");
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sendNotifications(brokerApiBaseUrl, startTime - 1000);
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log.info("*** ALL done.");
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}
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}
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private static NotificationGroup generateNotifications(final Event e,
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final List<Subscription> subscriptions,
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final long date) {
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final List<Notification> list = subscriptions
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.stream()
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.filter(
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s -> StringUtils.isBlank(s.getTopic()) || s.getTopic().equals("*") || s.getTopic().equals(e.getTopic()))
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.filter(s -> verifyConditions(e.getMap(), s.conditionsAsMap()))
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.map(s -> generateNotification(s, e, date))
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.collect(Collectors.toList());
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return new NotificationGroup(list);
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}
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private static Notification generateNotification(final Subscription s, final Event e, final long date) {
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final Notification n = new Notification();
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n.setNotificationId("ntf-" + DigestUtils.md5Hex(s.getSubscriptionId() + "@@@" + e.getEventId()));
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n.setSubscriptionId(s.getSubscriptionId());
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n.setEventId(e.getEventId());
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n.setProducerId(e.getProducerId());
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n.setTopic(e.getTopic());
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n.setPayload(e.getPayload());
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n.setMap(e.getMap());
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n.setDate(date);
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return n;
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}
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private static boolean verifyConditions(final MappedFields map,
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final Map<String, List<ConditionParams>> conditions) {
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if (conditions.containsKey("targetDatasourceName")
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&& !SubscriptionUtils
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.verifyExact(map.getTargetDatasourceName(), conditions.get("targetDatasourceName").get(0).getValue())) {
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return false;
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}
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if (conditions.containsKey("trust")
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&& !SubscriptionUtils
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.verifyFloatRange(
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map.getTrust(), conditions.get("trust").get(0).getValue(),
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conditions.get("trust").get(0).getOtherValue())) {
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return false;
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}
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if (conditions.containsKey("targetDateofacceptance") && !conditions
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.get("targetDateofacceptance")
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.stream()
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.anyMatch(
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c -> SubscriptionUtils
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.verifyDateRange(map.getTargetDateofacceptance(), c.getValue(), c.getOtherValue()))) {
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return false;
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}
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if (conditions.containsKey("targetResultTitle")
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&& !conditions
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.get("targetResultTitle")
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.stream()
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.anyMatch(c -> SubscriptionUtils.verifySimilar(map.getTargetResultTitle(), c.getValue()))) {
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return false;
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}
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if (conditions.containsKey("targetAuthors")
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&& !conditions
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.get("targetAuthors")
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.stream()
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.allMatch(c -> SubscriptionUtils.verifyListSimilar(map.getTargetAuthors(), c.getValue()))) {
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return false;
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}
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if (conditions.containsKey("targetSubjects")
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&& !conditions
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.get("targetSubjects")
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.stream()
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.allMatch(c -> SubscriptionUtils.verifyListExact(map.getTargetSubjects(), c.getValue()))) {
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return false;
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}
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return true;
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}
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private static List<Subscription> listSubscriptions(final String brokerApiBaseUrl) throws Exception {
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final String url = brokerApiBaseUrl + "/api/subscriptions";
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final HttpGet req = new HttpGet(url);
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final ObjectMapper mapper = new ObjectMapper();
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try (final CloseableHttpClient client = HttpClients.createDefault()) {
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try (final CloseableHttpResponse response = client.execute(req)) {
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final String s = IOUtils.toString(response.getEntity().getContent());
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return mapper
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.readValue(s, mapper.getTypeFactory().constructCollectionType(List.class, Subscription.class));
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}
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}
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}
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private static String deleteOldNotifications(final String brokerApiBaseUrl, final long l) throws Exception {
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final String url = brokerApiBaseUrl + "/api/notifications/byDate/0/" + l;
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final HttpDelete req = new HttpDelete(url);
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try (final CloseableHttpClient client = HttpClients.createDefault()) {
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try (final CloseableHttpResponse response = client.execute(req)) {
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return IOUtils.toString(response.getEntity().getContent());
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}
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}
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}
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private static String sendNotifications(final String brokerApiBaseUrl, final long l) throws IOException {
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final String url = brokerApiBaseUrl + "/api/openaireBroker/notifications/send/" + l;
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final HttpGet req = new HttpGet(url);
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try (final CloseableHttpClient client = HttpClients.createDefault()) {
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try (final CloseableHttpResponse response = client.execute(req)) {
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return IOUtils.toString(response.getEntity().getContent());
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}
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}
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}
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private static String prepareForIndexing(final Notification n, final LongAccumulator acc)
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throws JsonProcessingException {
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acc.add(1);
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return new ObjectMapper().writeValueAsString(n);
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}
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}
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