generateNotificationsJob and indexNotificationsJob
parent
69008e20c2
commit
210d6c0e6d
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package eu.dnetlib.dhp.broker.oa;
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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.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.function.FlatMapFunction;
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import org.apache.spark.api.java.function.MapFunction;
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import org.apache.spark.sql.Dataset;
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import org.apache.spark.sql.Encoder;
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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.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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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 GenerateNotificationsJob {
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private static final Logger log = LoggerFactory.getLogger(GenerateNotificationsJob.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(GenerateNotificationsJob.class
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.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/generate_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 notificationsPath = parser.get("outputDir") + "/notifications";
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log.info("notificationsPath: {}", notificationsPath);
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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_notifications");
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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 Map<String, Map<String, List<ConditionParams>>> conditionsMap = prepareConditionsMap(subscriptions);
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log.info("ConditionsMap: " + new ObjectMapper().writeValueAsString(conditionsMap));
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final Encoder<NotificationGroup> ngEncoder = Encoders.bean(NotificationGroup.class);
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final Encoder<Notification> nEncoder = Encoders.bean(Notification.class);
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final Dataset<Notification> notifications = ClusterUtils
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.readPath(spark, eventsPath, Event.class)
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.map((MapFunction<Event, NotificationGroup>) e -> generateNotifications(e, subscriptions, conditionsMap, startTime), ngEncoder)
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.flatMap((FlatMapFunction<NotificationGroup, Notification>) g -> g.getData().iterator(), nEncoder);
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ClusterUtils.save(notifications, notificationsPath, Notification.class, total);
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}
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}
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protected static Map<String, Map<String, List<ConditionParams>>> prepareConditionsMap(
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final List<Subscription> subscriptions) {
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final Map<String, Map<String, List<ConditionParams>>> map = new HashMap<>();
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subscriptions.forEach(s -> map.put(s.getSubscriptionId(), s.conditionsAsMap()));
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return map;
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}
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protected static NotificationGroup generateNotifications(final Event e,
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final List<Subscription> subscriptions,
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final Map<String, Map<String, List<ConditionParams>>> conditionsMap,
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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(s -> StringUtils.isBlank(s.getTopic()) || s.getTopic().equals("*") || s.getTopic().equals(e.getTopic()))
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.filter(s -> verifyConditions(e.getMap(), conditionsMap.get(s.getSubscriptionId())))
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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(map.getTrust(), conditions.get("trust").get(0).getValue(), 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(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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return !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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}
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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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}
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@ -0,0 +1,14 @@
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[
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{
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"paramName": "o",
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"paramLongName": "outputDir",
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"paramDescription": "the dir that contains the events folder",
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"paramRequired": true
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},
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{
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"paramName": "broker",
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"paramLongName": "brokerApiBaseUrl",
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"paramDescription": "the url of the broker service api",
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"paramRequired": true
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}
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]
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