From d820201b631c41db7376fc6abe0007a2e1e4acf0 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Wed, 8 Jun 2011 22:35:06 -0400
Subject: rudimentary support for meteor via an external process. still needs
 configuration of path, but it should work

---
 mteval/external_scorer.h | 28 +++++++++++++++++++---------
 1 file changed, 19 insertions(+), 9 deletions(-)

(limited to 'mteval/external_scorer.h')

diff --git a/mteval/external_scorer.h b/mteval/external_scorer.h
index a2c91960..59ece269 100644
--- a/mteval/external_scorer.h
+++ b/mteval/external_scorer.h
@@ -3,15 +3,20 @@
 
 #include <vector>
 #include <cstdio>
+#include <string>
+#include <map>
+#include <boost/shared_ptr.hpp>
 
 #include "scorer.h"
 
 class ScoreServer {
- public:
+  friend class ScoreServerManager;
+ protected:
   explicit ScoreServer(const std::string& cmd);
   virtual ~ScoreServer();
 
-  double ComputeScore(const std::vector<float>& fields);
+ public:
+  float ComputeScore(const std::vector<float>& fields);
   void Evaluate(const std::vector<std::vector<WordID> >& refs, const std::vector<WordID>& hyp, std::vector<float>* fields);
 
  private:
@@ -19,17 +24,22 @@ class ScoreServer {
   FILE* pipe_;
 };
 
+struct ScoreServerManager {
+  static ScoreServer* Instance(const std::string& score_type);
+ private:
+  static std::map<std::string, boost::shared_ptr<ScoreServer> > servers_;
+};
+
 class ExternalSentenceScorer : public SentenceScorer {
  public:
-  virtual ScoreP ScoreCandidate(const Sentence& hyp) const = 0;
-  virtual ScoreP ScoreCCandidate(const Sentence& hyp) const =0;
+  ExternalSentenceScorer(ScoreServer* server, const std::vector<std::vector<WordID> >& r) :
+    SentenceScorer("External", r), eval_server(server) {}
+  virtual ScoreP ScoreCandidate(const Sentence& hyp) const;
+  virtual ScoreP ScoreCCandidate(const Sentence& hyp) const;
+  static ScoreP ScoreFromString(ScoreServer* s, const std::string& data);
+
  protected:
   ScoreServer* eval_server;
 };
 
-class METEORServer : public ScoreServer {
- public:
-  METEORServer() : ScoreServer("java -Xmx1024m -jar meteor-1.3.jar - - -mira -lower") {}
-};
-
 #endif
-- 
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