From 28c0518379d226ac25597c2840c5c81bd8551487 Mon Sep 17 00:00:00 2001
From: Ellen Spertus <ellen.spertus@gmail.com>
Date: Thu, 9 Aug 2018 20:26:31 -0700
Subject: WIP

---
 scalding/src/main/scala/sandcrawler/CrossrefScorable.scala | 9 ++++++---
 scalding/src/main/scala/sandcrawler/GrobidScorable.scala   | 9 +++++----
 scalding/src/main/scala/sandcrawler/Scorable.scala         | 9 +++++----
 scalding/src/main/scala/sandcrawler/ScoreJob.scala         | 7 +++++--
 4 files changed, 21 insertions(+), 13 deletions(-)

(limited to 'scalding')

diff --git a/scalding/src/main/scala/sandcrawler/CrossrefScorable.scala b/scalding/src/main/scala/sandcrawler/CrossrefScorable.scala
index b221718..249c9ab 100644
--- a/scalding/src/main/scala/sandcrawler/CrossrefScorable.scala
+++ b/scalding/src/main/scala/sandcrawler/CrossrefScorable.scala
@@ -10,10 +10,13 @@ import parallelai.spyglass.hbase.HBasePipeConversions
 import parallelai.spyglass.hbase.HBaseSource
 
 class CrossrefScorable extends Scorable {
-  def getFeaturesPipe(args : Args) : TypedPipe[MapFeatures] = {
-    // TODO: Generalize args so there can be multiple Grobid pipes in one job.
+  // TODO: Generalize args so there can be multiple Grobid pipes in one job.
+  def getSource(args : Args) : Source = {
     TextLine(args("crossref-input"))
-      .read
+  }
+
+  def getFeaturesPipe(pipe : Pipe) : TypedPipe[MapFeatures] = {
+    pipe
       .toTypedPipe[String](new Fields("line"))
       .map{ json : String =>
         CrossrefScorable.crossrefToSlug(json) match {
diff --git a/scalding/src/main/scala/sandcrawler/GrobidScorable.scala b/scalding/src/main/scala/sandcrawler/GrobidScorable.scala
index 6229718..5c6b140 100644
--- a/scalding/src/main/scala/sandcrawler/GrobidScorable.scala
+++ b/scalding/src/main/scala/sandcrawler/GrobidScorable.scala
@@ -10,13 +10,14 @@ import parallelai.spyglass.hbase.HBasePipeConversions
 import parallelai.spyglass.hbase.HBaseSource
 
 class GrobidScorable extends Scorable with HBasePipeConversions {
-  def getFeaturesPipe(args : Args) : TypedPipe[MapFeatures] = {
+  def getSource(args : Args) : Source = {
     // TODO: Generalize args so there can be multiple grobid pipes in one job.
     GrobidScorable.getHBaseSource(args("hbase-table"), args("zookeeper-hosts"))
-      .read
+  }
+
+  def getFeaturesPipe(pipe : Pipe) : TypedPipe[MapFeatures] = {
+    pipe
       .fromBytesWritable(new Fields("key", "tei_json"))
-    // 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)
diff --git a/scalding/src/main/scala/sandcrawler/Scorable.scala b/scalding/src/main/scala/sandcrawler/Scorable.scala
index 2d2345b..92b61bc 100644
--- a/scalding/src/main/scala/sandcrawler/Scorable.scala
+++ b/scalding/src/main/scala/sandcrawler/Scorable.scala
@@ -12,9 +12,9 @@ case class ReduceFeatures(json : String)
 case class ReduceOutput(val slug : String,  score : Int, json1 : String, json2 : String)
 
 abstract class Scorable {
-  def getInputPipe(args : Args) : TypedPipe[(String, ReduceFeatures)] =
+  def getInputPipe(pipe : Pipe) : TypedPipe[(String, ReduceFeatures)] =
   {
-    getFeaturesPipe(args)
+    getFeaturesPipe(pipe)
       .filter { entry => Scorable.isValidSlug(entry.slug) }
       .groupBy { case MapFeatures(slug, json) => slug }
       .map { tuple =>
@@ -23,8 +23,9 @@ abstract class Scorable {
       }
   }
 
-  // abstract method
-  def getFeaturesPipe(args : Args) : TypedPipe[MapFeatures]
+  // abstract methods
+  def getSource(args : Args) : Source
+  def getFeaturesPipe(pipe : Pipe) : TypedPipe[MapFeatures]
 }
 
 object Scorable {
diff --git a/scalding/src/main/scala/sandcrawler/ScoreJob.scala b/scalding/src/main/scala/sandcrawler/ScoreJob.scala
index 66ba29e..7891596 100644
--- a/scalding/src/main/scala/sandcrawler/ScoreJob.scala
+++ b/scalding/src/main/scala/sandcrawler/ScoreJob.scala
@@ -9,8 +9,11 @@ import parallelai.spyglass.hbase.HBasePipeConversions
 class ScoreJob(args: Args) extends JobBase(args) with
     HBasePipeConversions {
 
-  val pipe1 : TypedPipe[(String, ReduceFeatures)] = ScoreJob.getScorable1().getInputPipe(args)
-  val pipe2 : TypedPipe[(String, ReduceFeatures)] = ScoreJob.getScorable2().getInputPipe(args)
+  // TODO: Instantiate any subclass of Scorable specified in args.
+  Scorable sc1 = new GrobidScorable()
+  Scorable sc2 = new CrossrefScorable()
+  val pipe1 : TypedPipe[(String, ReduceFeatures)] = sc1.getInputPipe(sc1.getSource().read)
+  val pipe2 : TypedPipe[(String, ReduceFeatures)] = sc2.getInputPipe(sc2.getSource().read)
 
   pipe1.join(pipe2).map { entry =>
     val (slug : String, (features1 : ReduceFeatures, features2 : ReduceFeatures)) = entry
-- 
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