dhp-graph-dump/dump/src/main/java/eu/dnetlib/dhp/oa/graph/dump/eosc/EoscDatasourceId.java

103 lines
3.2 KiB
Java

package eu.dnetlib.dhp.oa.graph.dump.eosc;
import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Serializable;
import java.nio.charset.StandardCharsets;
import java.util.Optional;
import javax.rmi.CORBA.Util;
import org.apache.commons.io.IOUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.function.FilterFunction;
import org.apache.spark.api.java.function.MapFunction;
import org.apache.spark.sql.*;
import org.apache.spark.sql.catalyst.plans.logical.ColumnStat;
import org.apache.spark.sql.types.DataTypes;
import org.apache.spark.sql.types.StructType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.fasterxml.jackson.databind.ObjectMapper;
import eu.dnetlib.dhp.application.ArgumentApplicationParser;
import eu.dnetlib.dhp.schema.oaf.Datasource;
/**
* @author miriam.baglioni
* @Date 20/09/23
*/
public class EoscDatasourceId implements Serializable {
private static final Logger log = LoggerFactory.getLogger(EoscDatasourceId.class);
public static void main(String[] args) throws Exception {
String jsonConfiguration = IOUtils
.toString(
SaveCommunityMap.class
.getResourceAsStream(
"/eu/dnetlib/dhp/oa/graph/dump/eosc_identifiers_parameters.json"));
final ArgumentApplicationParser parser = new ArgumentApplicationParser(jsonConfiguration);
parser.parseArgument(args);
Boolean isSparkSessionManaged = Optional
.ofNullable(parser.get("isSparkSessionManaged"))
.map(Boolean::valueOf)
.orElse(Boolean.TRUE);
log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
final String outputPath = parser.get("outputPath");
log.info("outputPath: {}", outputPath);
final String inputPath = parser.get("sourcePath");
log.info("inputPath: {}", inputPath);
SparkConf conf = new SparkConf();
runWithSparkSession(
conf,
isSparkSessionManaged,
spark -> {
Utils.removeOutputDir(spark, outputPath);
mapEoscIdentifier(spark, inputPath, outputPath);
});
}
private static void mapEoscIdentifier(SparkSession spark, String inputPath, String outputPath) {
final StructType structureSchema = new StructType()
.add("masterId", DataTypes.StringType)
.add("masterName", DataTypes.StringType)
.add("duplicateId", DataTypes.StringType);
org.apache.spark.sql.Dataset<Row> df = spark.read().schema(structureSchema).parquet(inputPath);
// spark
// .read()
// .schema(Encoders.bean(Datasource.class).schema())
// .json(inputPath + "/datasource")
// .withColumn("orId", functions.explode(new Column("originalId")))
df
.filter(new Column("duplicateId").startsWith("eosc"))
.select(
new Column("masterId").as("graphId"),
functions.substring_index(new Column("duplicateId"), "::", -1).as("eoscId"))
.filter((FilterFunction<Row>) r -> !((String) r.getAs("graphId")).startsWith(("10|eosc")))
.write()
.mode(SaveMode.Overwrite)
.option("compression", "gzip")
.save(outputPath);
}
}