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package sandcrawler
import cascading.flow.FlowDef
import cascading.pipe.Pipe
import cascading.tuple.Fields
import com.twitter.scalding._
import com.twitter.scalding.typed.TDsl._
import parallelai.spyglass.hbase.HBaseConstants.SourceMode
import parallelai.spyglass.hbase.HBasePipeConversions
import parallelai.spyglass.hbase.HBaseSource
class GrobidScorable extends Scorable with HBasePipeConversions {
def getFeaturesPipe(args : Args)(implicit flowDef : FlowDef, mode : Mode) = {
// TODO: Clean up code after debugging.
val grobidSource = HBaseCrossrefScore.getHBaseSource(
args("hbase-table"),
args("zookeeper-hosts"))
val pipe0 : Pipe = grobidSource.read
val grobidPipe : TypedPipe[MapFeatures] = pipe0
.fromBytesWritable(new Fields("key", "tei_json"))
// .debug // Should be 4 tuples for mocked data
// TODO: Figure out why this line (used in HBaseCrossrefScoreJob.scala)
// didn't work here: .toTypedPipe[(String, String)]('key, 'tei_json)
.toTypedPipe[(String, String)](new Fields("key", "tei_json"))
.map { entry =>
val (key : String, json : String) = (entry._1, entry._2)
HBaseCrossrefScore.grobidToSlug(json) match {
case Some(slug) => new MapFeatures(slug, key, json)
case None => new MapFeatures(Scorable.NoSlug, key, json)
}
}
.filter {
_.slug != Scorable.NoSlug
}
grobidPipe
}
/*
def fromBytesWritableLocal(f: Fields): Pipe = {
asList(f)
.foldLeft(pipe) { (p, fld) => {
p.map(fld.toString -> fld.toString) { from: org.apache.hadoop.hbase.io.ImmutableBytesWritable =>
Option(from).map(x => Bytes.toString(x.get)).getOrElse(null)
}
}}
}
*/
}
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