48 lines
1.3 KiB
Java
48 lines
1.3 KiB
Java
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package eu.dnetlib.dhp.broker.oa.util;
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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.Encoders;
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import org.apache.spark.sql.SparkSession;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import eu.dnetlib.dhp.common.HdfsSupport;
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public class ClusterUtils {
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private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
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public static void createDirIfMissing(final SparkSession spark, final String path) {
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HdfsSupport.remove(path, spark.sparkContext().hadoopConfiguration());
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}
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public static void removeDir(final SparkSession spark, final String path) {
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HdfsSupport.remove(path, spark.sparkContext().hadoopConfiguration());
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}
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public static <R> Dataset<R> readPath(
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final SparkSession spark,
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final String inputPath,
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final 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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public static boolean isDedupRoot(final String id) {
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return id.contains("dedup_wf_");
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}
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public static final boolean isValidResultResultClass(final String s) {
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return s.equals("isReferencedBy")
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|| s.equals("isRelatedTo")
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|| s.equals("references")
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|| s.equals("isSupplementedBy")
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|| s.equals("isSupplementedTo");
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}
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}
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