Merge branch 'added_cnntrain2caffe2' into 'master'

Return CNNTrain2Caffe2 in Backend in case of CAFFE2

See merge request !8

pom.xml

@@ -18,7 +18,7 @@
     <emadl.version>0.2.2-SNAPSHOT</emadl.version>
     <CNNTrain.version>0.2.5-SNAPSHOT</CNNTrain.version>
     <cnnarch-mxnet-generator.version>0.2.5-SNAPSHOT</cnnarch-mxnet-generator.version>
-    <cnnarch-caffe2-generator.version>0.2.2-SNAPSHOT</cnnarch-caffe2-generator.version>
+    <cnnarch-caffe2-generator.version>0.2.5-SNAPSHOT</cnnarch-caffe2-generator.version>
     <embedded-montiarc-math-generator>0.0.25-SNAPSHOT</embedded-montiarc-math-generator>
     
         <!-- .. Libraries .................................................. -->

src/main/java/de/monticore/lang/monticar/emadl/generator/Backend.java

@@ -5,6 +5,7 @@ import de.monticore.lang.monticar.cnnarch.CNNArchGenerator;
 import de.monticore.lang.monticar.cnnarch.mxnetgenerator.CNNArch2MxNet;
 import de.monticore.lang.monticar.cnnarch.caffe2generator.CNNArch2Caffe2;
 import de.monticore.lang.monticar.cnnarch.mxnetgenerator.CNNTrain2MxNet;
+import de.monticore.lang.monticar.cnnarch.caffe2generator.CNNTrain2Caffe2;
 import de.monticore.lang.monticar.cnntrain.CNNTrainGenerator;
 
 import java.util.Optional;
@@ -27,8 +28,8 @@ public enum Backend {
         }
         @Override
         public CNNTrainGenerator getCNNTrainGenerator() {
-            return null;
-        } // not implemented yet
+            return new CNNTrain2Caffe2();
+        }
     };
 
     public abstract CNNArchGenerator getCNNArchGenerator();