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@ -1,38 +1,39 @@
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package eu.dnetlib.dhp.oa.provision;
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import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
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import java.io.IOException;
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import java.io.StringReader;
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import java.io.StringWriter;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Optional;
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import javax.xml.transform.Transformer;
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import javax.xml.transform.TransformerException;
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import javax.xml.transform.stream.StreamResult;
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import javax.xml.transform.stream.StreamSource;
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import com.lucidworks.spark.util.SolrSupport;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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import eu.dnetlib.dhp.oa.provision.model.SerializableSolrInputDocument;
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import eu.dnetlib.dhp.oa.provision.utils.ISLookupClient;
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import eu.dnetlib.dhp.oa.provision.utils.StreamingInputDocumentFactory;
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import eu.dnetlib.dhp.utils.ISLookupClientFactory;
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import eu.dnetlib.dhp.utils.saxon.SaxonTransformerFactory;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
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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.hadoop.io.Text;
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import org.apache.solr.common.SolrInputDocument;
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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.rdd.RDD;
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import org.apache.spark.sql.Encoders;
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import org.apache.spark.sql.SaveMode;
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import org.apache.spark.sql.SparkSession;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.lucidworks.spark.util.SolrSupport;
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import javax.xml.transform.Transformer;
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import javax.xml.transform.TransformerException;
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import javax.xml.transform.stream.StreamResult;
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import javax.xml.transform.stream.StreamSource;
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import java.io.IOException;
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import java.io.StringReader;
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import java.io.StringWriter;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Optional;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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import eu.dnetlib.dhp.oa.provision.utils.ISLookupClient;
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import eu.dnetlib.dhp.oa.provision.utils.StreamingInputDocumentFactory;
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import eu.dnetlib.dhp.utils.ISLookupClientFactory;
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import eu.dnetlib.dhp.utils.saxon.SaxonTransformerFactory;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
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import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
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public class XmlIndexingJob {
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@ -48,6 +49,8 @@ public class XmlIndexingJob {
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private int batchSize;
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private String outputPath;
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private SparkSession spark;
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public static void main(String[] args) throws Exception {
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@ -72,12 +75,17 @@ public class XmlIndexingJob {
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final String format = parser.get("format");
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log.info("format: {}", format);
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final String outputPath = Optional.ofNullable(parser.get("outputPath"))
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.orElse(null);
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log.info("outputPath: {}", outputPath);
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final Integer batchSize = parser.getObjectMap().containsKey("batchSize")
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? Integer.valueOf(parser.get("batchSize"))
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: DEFAULT_BATCH_SIZE;
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log.info("batchSize: {}", batchSize);
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final SparkConf conf = new SparkConf();
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conf.registerKryoClasses(new Class[] { SerializableSolrInputDocument.class });
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runWithSparkSession(
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conf,
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@ -86,15 +94,16 @@ public class XmlIndexingJob {
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final String isLookupUrl = parser.get("isLookupUrl");
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log.info("isLookupUrl: {}", isLookupUrl);
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final ISLookupClient isLookup = new ISLookupClient(ISLookupClientFactory.getLookUpService(isLookupUrl));
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new XmlIndexingJob(spark, inputPath, format, batchSize).run(isLookup);
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new XmlIndexingJob(spark, inputPath, format, batchSize, outputPath).run(isLookup);
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});
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}
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public XmlIndexingJob(SparkSession spark, String inputPath, String format, Integer batchSize) {
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public XmlIndexingJob(SparkSession spark, String inputPath, String format, Integer batchSize, String outputPath) {
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this.spark = spark;
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this.inputPath = inputPath;
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this.format = format;
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this.batchSize = batchSize;
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this.outputPath = outputPath;
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}
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public void run(ISLookupClient isLookup) throws ISLookUpException, TransformerException {
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@ -116,15 +125,23 @@ public class XmlIndexingJob {
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final JavaSparkContext sc = JavaSparkContext.fromSparkContext(spark.sparkContext());
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RDD<SolrInputDocument> docs = sc
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.sequenceFile(inputPath, Text.class, Text.class)
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.map(t -> t._2().toString())
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.map(s -> toIndexRecord(SaxonTransformerFactory.newInstance(indexRecordXslt), s))
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.map(s -> new StreamingInputDocumentFactory(version, dsId).parseDocument(s))
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.rdd();
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final String collection = ProvisionConstants.getCollectionName(format);
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SolrSupport.indexDocs(zkHost, collection, batchSize, docs);
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JavaRDD<SolrInputDocument> docs = sc
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.sequenceFile(inputPath, Text.class, Text.class)
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.map(t -> t._2().toString())
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.map(s -> toIndexRecord(SaxonTransformerFactory.newInstance(indexRecordXslt), s))
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.map(s -> new StreamingInputDocumentFactory(version, dsId).parseDocument(s));
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if (StringUtils.isNotBlank(outputPath)) {
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spark.createDataset(
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docs.map(s -> new SerializableSolrInputDocument(s)).rdd(),
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Encoders.kryo(SerializableSolrInputDocument.class))
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.write()
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.mode(SaveMode.Overwrite)
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.parquet(outputPath);
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} else {
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final String collection = ProvisionConstants.getCollectionName(format);
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SolrSupport.indexDocs(zkHost, collection, batchSize, docs.rdd());
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}
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}
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protected static String toIndexRecord(Transformer tr, final String record) {
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