Inherit get-functions for Training parameters

pom.xml

@@ -16,6 +16,7 @@
 
     <!-- .. SE-Libraries .................................................. -->
       <CNNArch.version>0.2.2-SNAPSHOT</CNNArch.version>
+      <CNNTrain.version>0.2.2-SNAPSHOT</CNNTrain.version>
     
         <!-- .. Libraries .................................................. -->
         <guava.version>18.0</guava.version>
@@ -70,6 +71,20 @@
             <scope>provided</scope>
         </dependency>
 
+        <dependency>
+            <groupId>de.monticore.lang.monticar</groupId>
+            <artifactId>cnn-train</artifactId>
+            <version>${CNNTrain.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>de.monticore.lang.monticar</groupId>
+            <artifactId>cnn-train</artifactId>
+            <version>${CNNTrain.version}</version>
+            <classifier>${grammars.classifier}</classifier>
+            <scope>provided</scope>
+        </dependency>
+
 
         <!-- .. Test Libraries ............................................... -->
         <dependency>

src/main/java/de/monticore/lang/monticar/cnnarch/mxnetgenerator/ConfigurationData.java

@@ -26,26 +26,51 @@ public class ConfigurationData {
     }
 
     public String getNumEpoch() {
-        return String.valueOf(getConfiguration().getNumEpoch().getValue());
+        if (!getConfiguration().getEntryMap().containsKey("num_epoch")) {
+            return null;
+        }
+        return String.valueOf(getConfiguration().getEntry("num_epoch").getValue());
     }
 
     public String getBatchSize() {
-        return String.valueOf(getConfiguration().getBatchSize().getValue());
+        if (!getConfiguration().getEntryMap().containsKey("batch_size")) {
+            return null;
+        }
+        return String.valueOf(getConfiguration().getEntry("batch_size") .getValue());
     }
 
-    public LoadCheckpointSymbol getLoadCheckpoint() {
-        return getConfiguration().getLoadCheckpoint();
+    public Boolean getLoadCheckpoint() {
+        if (!getConfiguration().getEntryMap().containsKey("load_checkpoint")) {
+            return null;
+        }
+        return (Boolean) getConfiguration().getEntry("load_checkpoint").getValue().getValue();
     }
 
-    public NormalizeSymbol getNormalize() {
-        return getConfiguration().getNormalize();
+    public Boolean getNormalize() {
+        if (!getConfiguration().getEntryMap().containsKey("normalize")) {
+            return null;
+        }
+        return (Boolean) getConfiguration().getEntry("normalize").getValue().getValue();
     }
 
-    public TrainContextSymbol getContext() {
-        return getConfiguration().getTrainContext();
+    public String getContext() {
+        if (!getConfiguration().getEntryMap().containsKey("context")) {
+            return null;
+        }
+        return getConfiguration().getEntry("context").getValue().toString();
+    }
+
+    public String getEvalMetric() {
+        if (!getConfiguration().getEntryMap().containsKey("eval_metric")) {
+            return null;
+        }
+        return getConfiguration().getEntry("eval_metric").getValue().toString();
     }
 
     public String getOptimizerName() {
+        if (getConfiguration().getOptimizer() == null) {
+            return null;
+        }
         return getConfiguration().getOptimizer().getName();
     }
 

src/main/resources/templates/mxnet/CNNTrainer.ftl

@@ -17,13 +17,13 @@ if __name__ == "__main__":
         batch_size = ${config.batchSize},
 </#if>
 <#if (config.loadCheckpoint)??>
-        load_checkpoint = ${config.loadCheckpoint.value?string("True","False")},
+        load_checkpoint = ${config.loadCheckpoint?string("True","False")},
 </#if>
 <#if (config.context)??>
-        context = '${config.context.value}',
+        context = '${config.context}',
 </#if>
 <#if (config.normalize)??>
-        normalize = ${config.normalize.value?string("True","False")},
+        normalize = ${config.normalize?string("True","False")},
 </#if>
 <#if (config.configuration.optimizer)??>
         optimizer = '${config.optimizerName}',