fix getType.

paddle/gserver/evaluators/CTCErrorEvaluator.cpp

@@ -21,7 +21,7 @@ namespace paddle {
 /**
  * calculate sequence-to-sequence edit distance
  */
-class CTCErrorEvaluator : public NotGetableEvaluator {
+class CTCErrorEvaluator : public Evaluator {
 private:
   MatrixPtr outActivations_;
   int numTimes_, numClasses_, numSequences_, blank_;
@@ -307,8 +307,10 @@ public:
   }
 
   std::string getType(const std::string& name, Error* err) const {
-    getValue(name, err);
-    if (!err->isOK()) return "";
+    this->getValue(name, err);
+    if (!err->isOK()) {
+      return "";
+    }
     return "ctc_edit_distance";
   }
 };

paddle/gserver/evaluators/ChunkEvaluator.cpp

@@ -268,7 +268,13 @@ public:
   }
 
   // get type of evaluator
-  std::string getTypeImpl() const { return "chunk"; }
+  std::string getType(const std::string& name, Error* err) const {
+    this->getValue(name, err);
+    if (!err->isOK()) {
+      return "";
+    }
+    return "chunk";
+  }
 
 private:
   void storeLocalValues() const {

paddle/gserver/evaluators/Evaluator.h

@@ -211,6 +211,7 @@ public:
     *err = Error("Not implemented");
     return .0f;
   }
+
   std::string getType(const std::string& name, Error* err) const {
     *err = Error("Not implemented");
     return "";
@@ -331,6 +332,7 @@ private:
 protected:
   std::string getTypeImpl() const;
 };
+
 /**
  * @brief precision, recall and f1 score Evaluator
  * \f[
@@ -358,6 +360,12 @@ public:
 
   virtual void distributeEval(ParameterClient2* client);
 
+  void getNames(std::vector<std::string>* names);
+
+  real getValue(const std::string& name, Error* err) const;
+
+  std::string getType(const std::string& name, Error* err) const;
+
   struct StatsInfo {
     /// numbers of true positives
     double TP;
@@ -428,11 +436,6 @@ private:
   mutable std::unordered_map<std::string, real> values_;
 
   void storeLocalValues() const;
-  // Evaluator interface
-public:
-  void getNames(std::vector<std::string>* names);
-  real getValue(const std::string& name, Error* err) const;
-  std::string getType(const std::string& name, Error* err) const;
 };
 
 /*