288 lines
10 KiB
Java
288 lines
10 KiB
Java
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package eu.dnetlib.dhp.actionmanager.project;
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import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
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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.Optional;
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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.spark.SparkConf;
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import org.apache.spark.api.java.JavaRDD;
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import org.apache.spark.api.java.JavaSparkContext;
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import org.apache.spark.api.java.function.MapFunction;
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import org.apache.spark.sql.*;
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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.actionmanager.project.utils.model.CSVProgramme;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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import eu.dnetlib.dhp.common.HdfsSupport;
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import scala.Tuple2;
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/**
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* Among all the programmes provided in the csv file, selects those in H2020 framework that have an english title.
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*
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* The title is then handled to get the programme description at a certain level. The set of programme titles will then
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* be used to associate a classification for the programme.
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*
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* The programme code describes an hierarchy that can be exploited to provide the classification. To determine the hierarchy
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* the code can be split by '.'. If the length of the splitted code is less than or equal to 2 it can be directly used
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* as the classification: H2020-EU -> Horizon 2020 Framework Programme (It will never be repeated),
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* H2020-EU.1. -> Excellent science, H2020-EU.2. -> Industrial leadership etc.
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*
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* The codes are ordered and for all of them the concatenation of all the titles (from the element in position 1 of
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* the splitted code) handled as below is used to create the classification. For example:
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*
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* H2020-EU.1.1 -> Excellent science | European Research Council (ERC)
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* from H2020-EU.1. -> Excellence science and H2020-EU.1.1. -> European Research Council (ERC)
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*
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* H2020-EU.3.1.3.1. -> Societal challenges | Health, demographic change and well-being | Treating and managing disease | Treating disease, including developing regenerative medicine
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* from H2020-EU.3. -> Societal challenges,
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* H2020-EU.3.1. -> Health, demographic change and well-being
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* H2020-EU.3.1.3 -> Treating and managing disease
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* H2020-EU.3.1.3.1. -> Treating disease, including developing regenerative medicine
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*
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* The classification up to level three, will be split in dedicated variables, while the complete classification will be stored
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* in a variable called classification and provided as shown above.
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*
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* The programme title is not give in a standardized way:
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*
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* - Sometimes associated to the higher level in the hierarchy we can find Priority in title other times it is not the
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* case. Since it is not uniform, we removed priority from the handled titles:
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*
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* H2020-EU.1. -> PRIORITY 'Excellent science'
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* H2020-EU.2. -> PRIORITY 'Industrial leadership'
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* H2020-EU.3. -> PRIORITY 'Societal challenges
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*
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* will become
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*
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* H2020-EU.1. -> Excellent science
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* H2020-EU.2. -> Industrial leadership
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* H2020-EU.3. -> Societal challenges
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*
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* - Sometimes the title of the parent is repeated in the title for the code, but it is not always the case, so, titles
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* associated to previous levels in the hierarchy are removed from the code title.
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*
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* H2020-EU.1.2. -> EXCELLENT SCIENCE - Future and Emerging Technologies (FET)
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* H2020-EU.2.2. -> INDUSTRIAL LEADERSHIP - Access to risk finance
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* H2020-EU.3.4. -> SOCIETAL CHALLENGES - Smart, Green And Integrated Transport
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*
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* will become
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*
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* H2020-EU.1.2. -> Future and Emerging Technologies (FET)
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* H2020-EU.2.2. -> Access to risk finance
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* H2020-EU.3.4. -> Smart, Green And Integrated Transport
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*
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* This holds at all levels in the hierarchy. Hence
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*
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* H2020-EU.2.1.2. -> INDUSTRIAL LEADERSHIP - Leadership in enabling and industrial technologies – Nanotechnologies
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*
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* will become
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*
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* H2020-EU.2.1.2. -> Nanotechnologies
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*
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* - Euratom is not given in the way the other programmes are: H2020-EU. but H2020-Euratom- . So we need to write
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* specific code for it
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*
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*
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*
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*/
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public class PrepareProgramme {
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private static final Logger log = LoggerFactory.getLogger(PrepareProgramme.class);
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private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
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public static void main(String[] args) throws Exception {
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String jsonConfiguration = IOUtils
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.toString(
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PrepareProgramme.class
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.getResourceAsStream(
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"/eu/dnetlib/dhp/actionmanager/project/prepare_programme_parameters.json"));
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final ArgumentApplicationParser parser = new ArgumentApplicationParser(jsonConfiguration);
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parser.parseArgument(args);
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Boolean isSparkSessionManaged = Optional
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.ofNullable(parser.get("isSparkSessionManaged"))
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.map(Boolean::valueOf)
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.orElse(Boolean.TRUE);
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log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
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final String programmePath = parser.get("programmePath");
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log.info("programmePath {}: ", programmePath);
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final String outputPath = parser.get("outputPath");
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log.info("outputPath {}: ", outputPath);
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SparkConf conf = new SparkConf();
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runWithSparkSession(
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conf,
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isSparkSessionManaged,
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spark -> {
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removeOutputDir(spark, outputPath);
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exec(spark, programmePath, outputPath);
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});
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}
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private static void removeOutputDir(SparkSession spark, String path) {
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HdfsSupport.remove(path, spark.sparkContext().hadoopConfiguration());
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}
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private static void exec(SparkSession spark, String programmePath, String outputPath) {
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Dataset<CSVProgramme> programme = readPath(spark, programmePath, CSVProgramme.class);
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JavaRDD<CSVProgramme> h2020Programmes = programme
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.toJavaRDD()
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.mapToPair(csvProgramme -> new Tuple2<>(csvProgramme.getCode(), csvProgramme))
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.reduceByKey(PrepareProgramme::groupProgrammeByCode)
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.map(p -> {
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CSVProgramme csvProgramme = p._2();
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String programmeTitle = csvProgramme.getTitle().trim();
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if (programmeTitle.length() > 8 && programmeTitle.substring(0, 8).equalsIgnoreCase("PRIORITY")) {
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programmeTitle = programmeTitle.substring(9);
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if (programmeTitle.charAt(0) == '\'') {
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programmeTitle = programmeTitle.substring(1);
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}
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if (programmeTitle.charAt(programmeTitle.length() - 1) == '\'') {
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programmeTitle = programmeTitle.substring(0, programmeTitle.length() - 1);
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}
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csvProgramme.setTitle(programmeTitle);
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}
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return csvProgramme;
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});
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final JavaSparkContext jsc = JavaSparkContext.fromSparkContext(spark.sparkContext());
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JavaRDD<CSVProgramme> rdd = jsc.parallelize(prepareClassification(h2020Programmes), 1);
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rdd
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.map(OBJECT_MAPPER::writeValueAsString)
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.saveAsTextFile(outputPath);
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}
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private static CSVProgramme groupProgrammeByCode(CSVProgramme a, CSVProgramme b) {
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if (!a.getLanguage().equals("en") && b.getLanguage().equalsIgnoreCase("en")) {
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a.setTitle(b.getTitle());
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a.setLanguage(b.getLanguage());
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}
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if (StringUtils.isEmpty(a.getShortTitle()) && !StringUtils.isEmpty(b.getShortTitle())) {
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a.setShortTitle(b.getShortTitle());
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}
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return a;
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}
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@SuppressWarnings("unchecked")
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private static List<CSVProgramme> prepareClassification(JavaRDD<CSVProgramme> h2020Programmes) {
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Object[] codedescription = h2020Programmes
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.map(
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value -> new Tuple2<>(value.getCode(),
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new Tuple2<>(value.getTitle(), value.getShortTitle())))
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.collect()
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.toArray();
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for (int i = 0; i < codedescription.length - 1; i++) {
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for (int j = i + 1; j < codedescription.length; j++) {
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Tuple2<String, Tuple2<String, String>> t2i = (Tuple2<String, Tuple2<String, String>>) codedescription[i];
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Tuple2<String, Tuple2<String, String>> t2j = (Tuple2<String, Tuple2<String, String>>) codedescription[j];
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if (t2i._1().compareTo(t2j._1()) > 0) {
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Tuple2<String, Tuple2<String, String>> temp = t2i;
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codedescription[i] = t2j;
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codedescription[j] = temp;
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}
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}
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}
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Map<String, Tuple2<String, String>> map = new HashMap<>();
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for (int j = 0; j < codedescription.length; j++) {
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Tuple2<String, Tuple2<String, String>> entry = (Tuple2<String, Tuple2<String, String>>) codedescription[j];
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String ent = entry._1();
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if (ent.contains("Euratom-")) {
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ent = ent.replace("-Euratom-", ".Euratom.");
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}
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String[] tmp = ent.split("\\.");
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if (tmp.length <= 2) {
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if (StringUtils.isEmpty(entry._2()._2())) {
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map.put(entry._1(), new Tuple2<>(entry._2()._1(), entry._2()._1()));
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} else {
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map.put(entry._1(), entry._2());
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}
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} else {
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if (ent.endsWith(".")) {
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ent = ent.substring(0, ent.length() - 1);
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}
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String key = ent.substring(0, ent.lastIndexOf(".") + 1);
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if (key.contains("Euratom")) {
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key = key.replace(".Euratom.", "-Euratom-");
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ent = ent.replace(".Euratom.", "-Euratom-");
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if (key.endsWith("-")) {
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key = key.substring(0, key.length() - 1);
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}
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}
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String current = entry._2()._1();
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if (!ent.contains("Euratom")) {
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String parent;
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String tmpKey = tmp[0] + ".";
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for (int i = 1; i < tmp.length - 1; i++) {
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tmpKey += tmp[i] + ".";
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parent = map.get(tmpKey)._1().toLowerCase().trim();
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if (parent.contains("|")) {
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parent = parent.substring(parent.lastIndexOf("|") + 1).trim();
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}
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if (current.trim().length() > parent.length()
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&& current.toLowerCase().trim().startsWith(parent)) {
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current = current.substring(parent.length() + 1);
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if (current.trim().charAt(0) == '-' || current.trim().charAt(0) == '–') {
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current = current.trim().substring(1).trim();
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}
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}
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}
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}
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String shortTitle = entry._2()._2();
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if (StringUtils.isEmpty(shortTitle)) {
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shortTitle = current;
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}
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Tuple2<String, String> newEntry = new Tuple2<>(map.get(key)._1() + " | " + current,
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map.get(key)._2() + " | " + shortTitle);
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map.put(ent + ".", newEntry);
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}
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}
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return h2020Programmes.map(csvProgramme -> {
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String code = csvProgramme.getCode();
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if (!code.endsWith(".") && !code.contains("Euratom")
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&& !code.equals("H2020-EC"))
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code += ".";
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csvProgramme.setClassification(map.get(code)._1());
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csvProgramme.setClassification_short(map.get(code)._2());
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return csvProgramme;
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}).collect();
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}
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public static <R> Dataset<R> readPath(
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SparkSession spark, String inputPath, Class<R> clazz) {
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return spark
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.read()
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.textFile(inputPath)
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.map((MapFunction<String, R>) value -> OBJECT_MAPPER.readValue(value, clazz), Encoders.bean(clazz));
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}
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}
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