diff options
Diffstat (limited to 'scalding')
| -rw-r--r-- | scalding/src/main/scala/sandcrawler/BibjsonScorable.scala | 50 | 
1 files changed, 50 insertions, 0 deletions
| diff --git a/scalding/src/main/scala/sandcrawler/BibjsonScorable.scala b/scalding/src/main/scala/sandcrawler/BibjsonScorable.scala new file mode 100644 index 0000000..7221a66 --- /dev/null +++ b/scalding/src/main/scala/sandcrawler/BibjsonScorable.scala @@ -0,0 +1,50 @@ +package sandcrawler + +import scala.math +import scala.util.parsing.json.JSON +import scala.util.parsing.json.JSONObject + +import cascading.flow.FlowDef +import cascading.tuple.Fields +import com.twitter.scalding._ +import com.twitter.scalding.typed.TDsl._ +// XXX: import parallelai.spyglass.hbase.HBasePipeConversions + +// XXX: class BibjsonScorable extends Scorable with HBasePipeConversions { + +class BibjsonScorable extends Scorable { + +  def getSource(args : Args) : Source = { +    TextLine(args("bibjson-input")) +  } + +  def getFeaturesPipe(args : Args)(implicit mode : Mode, flowDef : FlowDef) : TypedPipe[MapFeatures] = { +    getSource(args).read +      .toTypedPipe[String](new Fields("line")) +      .map { BibjsonScorable.bibjsonToMapFeatures(_) } +  } +} + +object BibjsonScorable { +  def bibjsonToMapFeatures(json : String) : MapFeatures = { +    Scorable.jsonToMap(json) match { +      case None => MapFeatures(Scorable.NoSlug, json) +      case Some(map) => { +        if (map contains "title") { +          val title = Scorable.getString(map, "title") +          val doi = Scorable.getString(map, "doi") +          val sha1 = Scorable.getString(map, "sha") +          // TODO: year, authors (if available) +          if (title == null || title.isEmpty) { +            new MapFeatures(Scorable.NoSlug, json) +          } else { +            val sf : ScorableFeatures = new ScorableFeatures(title=title, doi=doi, sha1=sha1) +            new MapFeatures(sf.toSlug, sf.toString) +          } +        } else { +          new MapFeatures(Scorable.NoSlug, json) +        } +      } +    } +  } +} | 
