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package sandcrawler
import java.util.Properties
import scala.util.parsing.json.JSON
import cascading.tuple.Fields
import com.twitter.scalding._
import com.twitter.scalding.typed.TDsl._
import org.apache.hadoop.hbase.io.ImmutableBytesWritable
import parallelai.spyglass.base.JobBase
import parallelai.spyglass.hbase.HBaseConstants.SourceMode
import parallelai.spyglass.hbase.HBasePipeConversions
class HBaseCrossrefScoreJob(args: Args) extends JobBase(args) with HBasePipeConversions {
// key is SHA1
val grobidSource = HBaseBuilder.build(
args("grobid-table"),
args("zookeeper-hosts"),
List("grobid0:tei_json"),
sourceMode = SourceMode.SCAN_ALL)
val grobidPipe = grobidSource
.read
.map('tei_json -> 'slug) {
json : String => HBaseCrossrefScore.grobidToSlug(json)}
/*
val crossrefSource = TextLine(args("input"))
val crossrefPipe = crossrefSource
.read
.map('line -> 'slug) {
json : String => crossrefToSlug(json)}
statusPipe.groupBy { identity }
.size
.debug
.write(TypedTsv[(Long,Long)](args("output")))
*/
}
object HBaseCrossrefScore {
def grobidToSlug(json : String) = {
// https://stackoverflow.com/a/32717262/631051
val jsonObject = JSON.parseFull(json)
val globalMap = jsonObject.get.asInstanceOf[Map[String, Any]]
globalMap.get("title") match {
case Some(title) => titleToSlug(title.asInstanceOf[String])
case None => ""
}
}
def titleToSlug(title : String) = {
title.split(":")(0)
}
}
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