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) + } + } + } + } +} |