Set some additional layers as network layers and added CoCo to check if...

Set some additional layers as network layers and added CoCo to check if architecture includes a network stream

src/main/java/de/monticore/lang/monticar/cnnarch/_cocos/CNNArchCocos.java

@@ -66,7 +66,8 @@ public class CNNArchCocos {
                 .addCoCo(new CheckIOType())
                 .addCoCo(new CheckElementInputs())
                 .addCoCo(new CheckIOAccessAndIOMissing())
-                .addCoCo(new CheckArchitectureFinished());
+                .addCoCo(new CheckArchitectureFinished())
+                .addCoCo(new CheckNetworkStreamMissing());
     }
 
     //checks cocos based on symbols before the resolve method of the ArchitectureSymbol is called

src/main/java/de/monticore/lang/monticar/cnnarch/_cocos/CheckNetworkStreamMissing.java

+/**
+ *
+ *  ******************************************************************************
+ *  MontiCAR Modeling Family, www.se-rwth.de
+ *  Copyright (c) 2017, Software Engineering Group at RWTH Aachen,
+ *  All rights reserved.
+ *
+ *  This project is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 3.0 of the License, or (at your option) any later version.
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this project. If not, see <http://www.gnu.org/licenses/>.
+ * *******************************************************************************
+ */
+package de.monticore.lang.monticar.cnnarch._cocos;
+
+import de.monticore.lang.monticar.cnnarch._symboltable.ArchitectureSymbol;
+import de.monticore.lang.monticar.cnnarch._symboltable.CompositeElementSymbol;
+import de.monticore.lang.monticar.cnnarch.helper.ErrorCodes;
+import de.se_rwth.commons.logging.Log;
+
+public class CheckNetworkStreamMissing extends CNNArchSymbolCoCo {
+
+    @Override
+    public void check(ArchitectureSymbol architecture) {
+        boolean hasNetworkStream = false;
+
+        for (CompositeElementSymbol stream : architecture.getStreams()) {
+            hasNetworkStream |= stream.isNetwork();
+        }
+
+        if (!hasNetworkStream) {
+            Log.error("0" + ErrorCodes.MISSING_NETWORK_STREAM + " The architecture has no network stream. "
+                    , architecture.getSourcePosition());
+        }
+    }
+
+}

src/main/java/de/monticore/lang/monticar/cnnarch/helper/ErrorCodes.java

@@ -42,5 +42,6 @@ public class ErrorCodes {
     public static final String UNKNOWN_VARIABLE_NAME = "x65013";
     public static final String DIFFERENT_RANGE_OPERATORS = "xA8289";
     public static final String UNFINISHED_ARCHITECTURE = "x28B42";
+    public static final String MISSING_NETWORK_STREAM = "x04893";
 
 }

src/main/java/de/monticore/lang/monticar/cnnarch/predefined/Concatenate.java

@@ -37,6 +37,11 @@ public class Concatenate extends PredefinedLayerDeclaration {
         super(AllPredefinedLayers.CONCATENATE_NAME);
     }
 
+    @Override
+    public boolean isNetworkLayer() {
+        return true;
+    }
+
     @Override
     public List<ArchTypeSymbol> computeOutputTypes(List<ArchTypeSymbol> inputTypes, LayerSymbol layer) {
         int height = inputTypes.get(0).getHeight();

src/main/java/de/monticore/lang/monticar/cnnarch/predefined/Lrn.java

@@ -32,6 +32,11 @@ public class Lrn extends PredefinedLayerDeclaration {
         super(AllPredefinedLayers.LRN_NAME);
     }
 
+    @Override
+    public boolean isNetworkLayer() {
+        return true;
+    }
+
     @Override
     public List<ArchTypeSymbol> computeOutputTypes(List<ArchTypeSymbol> inputTypes, LayerSymbol layer) {
         return inputTypes;

src/main/java/de/monticore/lang/monticar/cnnarch/predefined/Softmax.java

@@ -34,6 +34,11 @@ public class Softmax extends PredefinedLayerDeclaration {
         super(AllPredefinedLayers.SOFTMAX_NAME);
     }
 
+    @Override
+    public boolean isNetworkLayer() {
+        return true;
+    }
+
     @Override
     public List<ArchTypeSymbol> computeOutputTypes(List<ArchTypeSymbol> inputTypes, LayerSymbol layer) {
         return Collections.singletonList(

src/main/java/de/monticore/lang/monticar/cnnarch/predefined/Split.java

@@ -34,6 +34,11 @@ public class Split extends PredefinedLayerDeclaration {
         super(AllPredefinedLayers.SPLIT_NAME);
     }
 
+    @Override
+    public boolean isNetworkLayer() {
+        return true;
+    }
+
     @Override
     public List<ArchTypeSymbol> computeOutputTypes(List<ArchTypeSymbol> inputTypes, LayerSymbol layer) {
         ArchTypeSymbol inputShape = inputTypes.get(0);