local bibjson-to-bibjson matching job (no tests)

1 files changed, 29 insertions, 0 deletions

diff --git a/scalding/src/main/scala/sandcrawler/MatchBenchmarkJob.scala b/scalding/src/main/scala/sandcrawler/MatchBenchmarkJob.scala
new file mode 100644
index 0000000..1578258
--- /dev/null
+++ b/scalding/src/main/scala/sandcrawler/MatchBenchmarkJob.scala
@@ -0,0 +1,29 @@
+package sandcrawler
+
+import cascading.pipe.Pipe
+import com.twitter.scalding.Args
+import com.twitter.scalding.TypedPipe
+import com.twitter.scalding.TypedTsv
+import parallelai.spyglass.base.JobBase
+
+class MatchBenchmarkJob(args: Args) extends JobBase(args) {
+  // TODO: Instantiate any subclass of Scorable specified in args.
+  val sc1 : Scorable = new BibjsonScorable()
+  val sc2 : Scorable = new BibjsonScorable()
+  val leftArgs = args + ("bibjson-input" -> List(args("left-bibjson")))
+  val rightArgs = args + ("bibjson-input" -> List(args("right-bibjson")))
+  val pipe1 : TypedPipe[(String, ReduceFeatures)] = sc1.getInputPipe(leftArgs)
+  val pipe2 : TypedPipe[(String, ReduceFeatures)] = sc2.getInputPipe(rightArgs)
+
+  pipe1.join(pipe2).map { entry =>
+    val (slug : String, (features1 : ReduceFeatures, features2 : ReduceFeatures)) = entry
+    new ReduceOutput(
+      slug,
+      Scorable.computeSimilarity(features1, features2),
+      features1.json,
+      features2.json)
+  }
+  //TypedTsv doesn't work over case classes.
+    .map { entry => (entry.slug, entry.score, entry.json1, entry.json2) }
+    .write(TypedTsv[(String, Int, String, String)](args("output")))
+}