Wim

build.gradle

@@ -10,30 +10,29 @@ sourceCompatibility = '1.8'
 targetCompatibility = '1.8'
 
 repositories {
-    mavenCentral()
     mavenCentral()
     maven {
         url 'https://jitpack.io'
     }
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
+    implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.5.21'
 
     implementation group: 'com.sun.xml.bind', name: 'jaxb-impl', version: '2.3.3'
     implementation group: 'com.sun.xml.bind', name: 'jaxb-core', version: '2.3.0.1'
     implementation group: 'javax.xml.bind', name: 'jaxb-api', version: '2.3.1'
     implementation group: 'org.apache.velocity', name: 'velocity', version: '1.7'
     implementation group: 'commons-io', name: 'commons-io', version: '2.5'
-    implementation group: 'org.hyperledger.fabric-chaincode-java', name: 'fabric-chaincode-shim', version: '2.+'
+    implementation group: 'org.hyperledger.fabric-chaincode-java', name: 'fabric-chaincode-shim', version: '2.3.1'
     implementation group: 'com.owlike', name: 'genson', version: '1.6'
     implementation group: 'com.owlike', name: 'genson-java-datetime', version: '1.6'
     implementation group: 'com.github.ajalt', name: 'clikt', version: '2.8.0'
     implementation group: 'org.bouncycastle', name: 'bcprov-jdk15on', version: '1.69'
 
 
-    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.3.1'
-    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.3.1'
+    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.7.2'
+    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.7.2'
 }
 
 compileKotlin {

src/main/java/be/unamur/generator/context/BusinessObjectTypeContext.java

@@ -27,8 +27,8 @@ public void addAttribute(Attribute attribute) {
     this.put("attributes", attributes);
   }
 
-  public void addMasterIdAttribute(Metaobject master) {
-    MasterRefAttribute masterRef = new MasterRefAttribute(master);
+  public void addMasterIdAttribute(Metaobject master, String dependencyName) {
+    MasterRefAttribute masterRef = new MasterRefAttribute(master, dependencyName);
     this.addAttribute(masterRef);
   }
 

src/main/java/be/unamur/generator/context/BusinessObjectTypeContextBuilder.java

@@ -38,7 +38,7 @@ public BusinessObjectTypeContext build() {
 
       Metaobject master = Util.findById(model.getMetamodel().getMetaobjects().getMetaobject(), dependency.getMaster());
 
-      this.ctx.addMasterIdAttribute(master);
+      this.ctx.addMasterIdAttribute(master, dependency.getName());
     }
 
 

src/main/java/be/unamur/generator/context/DependencyNode.java

@@ -6,21 +6,26 @@ public class DependencyNode {
     private Metaobject bot;
     private DependencyNode directMaster;
     private boolean last;
+    private String dependencyName;
 
     public DependencyNode(Metaobject bot) {
         this.bot = bot;
         this.directMaster = null;
         this.last = true;
     }
 
-    public void addDirectMaster(Metaobject master) {
+    public void addDirectMaster(Metaobject master, String dependencyName) {
         this.directMaster = new DependencyNode(master);
         this.last = false;
+        this.dependencyName = dependencyName;
     }
 
     public Metaobject getBOT() { return this.bot; }
     public DependencyNode next() { return this.directMaster; }
     public boolean isLast() { return this.last; }
+    public String getDependencyName() { return this.dependencyName; }
+
+    public void setDependencyName(String name) {  this.dependencyName = name; }
 
     @Override
     public String toString() {

src/main/java/be/unamur/generator/context/DependencyNodeBuilder.java

@@ -53,14 +53,14 @@ private void addDirectDependencies() {
 
                 if (!dependency.getDependent().equals(this.BONode.getBOT().getId()))
                     continue;
-                //System.out.println(dependency.getName());
+
                 Metaobject master = Util.findById(metamodel.getMetaobjects().getMetaobject(), dependency.getMaster());
                 Metaobject dpd = Util.findById(metamodel.getMetaobjects().getMetaobject(), dependency.getDependent());
 
 
                 if(dpd.getId().equals(this.BONode.getBOT().getId())) {
                     //System.out.println("Direct Dependency Added For " + this.BONode.getBOT().getName() + ": " + master.getName());
-                    this.BONode.addDirectMaster(master);
+                    this.BONode.addDirectMaster(master, dependency.getName());
                 }
             }
         }

src/main/java/be/unamur/generator/context/InputValidatorContextBuilder.java

@@ -37,7 +37,7 @@ public InputValidatorContext build() {
 
             Metaobject master = Util.findById(model.getMetaobjects().getMetaobject(), dependency.getMaster());
 
-            Attribute attr = new MasterRefAttribute(master);
+            Attribute attr = new MasterRefAttribute(master, dependency.getName());
             this.ctx.addInputParameter(attr);
         }
 

src/main/java/be/unamur/generator/context/MPCStringGenerator.java

@@ -1,10 +1,12 @@
 package be.unamur.generator.context;
 
+import be.unamur.metamodel.Metadependency;
 import be.unamur.metamodel.Metamodel;
 import be.unamur.metamodel.Metamultiplepropagationconstraint;
 import be.unamur.metamodel.Metaobject;
 
 import java.math.BigInteger;
+import java.util.stream.Collectors;
 
 public class MPCStringGenerator {
     public static String generateMPCCheckCode(Metamodel metamodel, Metaobject mo, Metamultiplepropagationconstraint mpc) {
@@ -38,45 +40,48 @@ public static String getRootMasterBusinessObject(DependencyNode rootDependencyNo
         sb.append("    Supplier<BusinessObject> ").append(supplierName).append(mpcId).append("Supplier").append(" = () -> {\n");
         sb.append("      //Fetching " + next.getBOT().getName()).append("\n");
         sb.append("      ");
-        sb.append(next.getBOT().getName()).append(" mpc_").append(Util.getStringWithFirstLowerCap(next.getBOT().getName())).append(" = null;\n");
+        sb.append(next.getBOT().getName()).append(" mpc_").append(Util.getStringWithFirstLowerCap(next.getBOT().getName())).append("_").append(rootDependencyNode.getDependencyName()).append(" = null;\n");
         sb.append("      try {\n");
-        sb.append("        mpc_").append(Util.getStringWithFirstLowerCap(next.getBOT().getName()));
+        sb.append("        mpc_").append(Util.getStringWithFirstLowerCap(next.getBOT().getName())).append("_").append(rootDependencyNode.getDependencyName());
         sb.append(" = (").append(next.getBOT().getName()).append(") ").append("StubHelper.findBusinessObject(ctx, object.get");
-        sb.append(next.getBOT().getName()).append("Id()");
+        sb.append(next.getBOT().getName()).append("Id_").append(rootDependencyNode.getDependencyName()).append("()");
         sb.append(");\n");
         sb.append("      } catch(BusinessObjectNotFoundException e) { \n");
         sb.append("        throw new FailedEventHandlingException(\"Could not check MPC:\" + e); \n");
         sb.append("      }\n");
 
+        DependencyNode last = rootDependencyNode;
         while(!next.isLast()) {
             sb.append("\n");
             DependencyNode current = next;
             next = next.next();
+            //current.setDependencyName(rootDependencyNode.getDependencyName());
 
             //sb.append("\n \n");
-            sb.append(getIndirectBusinessObject(current, next));
+            sb.append(getIndirectBusinessObject(current, next, last));
 
             if(!next.isLast())
                 sb.append("\n");
+            last = current;
         }
 
         sb.append("\n\n");
-        sb.append("      return mpc_" + Util.getStringWithFirstLowerCap(next.getBOT().getName())).append(";\n");
+        sb.append("      return mpc_" + Util.getStringWithFirstLowerCap(next.getBOT().getName())).append("_").append(last.getDependencyName()).append(";\n");
         sb.append("    };");
 
         return sb.toString();
     }
 
-    private static String getIndirectBusinessObject(DependencyNode previousDn, DependencyNode dn) {
+    private static String getIndirectBusinessObject(DependencyNode previousDn, DependencyNode dn, DependencyNode previouslyFetched) {
         StringBuilder sb = new StringBuilder();
 
         sb.append("      //Fetching " + dn.getBOT().getName()).append("\n");
         sb.append("      ");
-        sb.append(dn.getBOT().getName()).append(" mpc_").append(Util.getStringWithFirstLowerCap(dn.getBOT().getName())).append(" = null;\n");
+        sb.append(dn.getBOT().getName()).append(" mpc_").append(Util.getStringWithFirstLowerCap(dn.getBOT().getName())).append("_").append(previousDn.getDependencyName()).append(" = null;\n");
         sb.append("      try {\n");
-        sb.append("      mpc_").append(Util.getStringWithFirstLowerCap(dn.getBOT().getName()));
-        sb.append(" = (").append(dn.getBOT().getName()).append(") StubHelper.findBusinessObject(ctx, mpc_").append(Util.getStringWithFirstLowerCap(previousDn.getBOT().getName())).append(".");
-        sb.append("get").append(dn.getBOT().getName()).append("Id()");
+        sb.append("      mpc_").append(Util.getStringWithFirstLowerCap(dn.getBOT().getName())).append("_").append(previousDn.getDependencyName());
+        sb.append(" = (").append(dn.getBOT().getName()).append(") StubHelper.findBusinessObject(ctx, mpc_").append(Util.getStringWithFirstLowerCap(previousDn.getBOT().getName())).append("_").append(previouslyFetched.getDependencyName()).append(".");
+        sb.append("get").append(dn.getBOT().getName()).append("Id_").append(previousDn.getDependencyName()).append("()");
         sb.append(");\n");
         sb.append("      } catch(BusinessObjectNotFoundException e) { \n");
         sb.append("        throw new FailedEventHandlingException(\"Could not check MPC:\" + e); \n");

src/main/java/be/unamur/generator/context/Master.java

@@ -3,12 +3,15 @@
 public class Master {
   private String name;
   private boolean limitedToOne;
+  private String dependencyName;
 
-  public Master(String name, boolean limitedToOne) {
+  public Master(String name, boolean limitedToOne, String dependencyName) {
     this.name = name;
     this.limitedToOne = limitedToOne;
+    this.dependencyName = dependencyName;
   }
 
   public String getName() { return this.name; }
   public boolean isLimitedToOne() { return this.limitedToOne; }
+  public String getDependencyName() { return this.dependencyName; }
 }

src/main/java/be/unamur/generator/context/MasterRefAttribute.java

@@ -3,8 +3,8 @@
 import be.unamur.metamodel.Metaobject;
 
 public class MasterRefAttribute extends Attribute {
-  public MasterRefAttribute(Metaobject master) {
-    super("String", master.getName().substring(0, 1).toLowerCase() + master.getName().substring(1) + "Id");
+  public MasterRefAttribute(Metaobject master, String dependencyName) {
+    super("String", master.getName().substring(0, 1).toLowerCase() + master.getName().substring(1) + "Id" + "_" + dependencyName);
   }
 
   public boolean isMasterRef() { return true; }

src/main/java/be/unamur/generator/context/SpecificStateContext.java

@@ -35,9 +35,9 @@ public void addMethod(SpecificStateMethod method) {
   }
 
   @SuppressWarnings("unchecked")
-  public void addMasterBotRef(Metaobject master, boolean limitedToOne) {
+  public void addMasterBotRef(Metaobject master, boolean limitedToOne, String depdencyName) {
     ArrayList<Master> masterRefs = this.get("masters") == null ? new ArrayList<>() : (ArrayList<Master>)this.get("masters");
-    masterRefs.add(new Master(Util.getStringWithFirstLowerCap(master.getName()), limitedToOne));
+    masterRefs.add(new Master(Util.getStringWithFirstLowerCap(master.getName()), limitedToOne, depdencyName));
 
     this.put("masters",  masterRefs);
   }

src/main/java/be/unamur/generator/context/SpecificStateContextBuilder.java

@@ -73,7 +73,7 @@ public SpecificStateContext build() {
       //@TODO: For now: no difference between mandatory/optional
       boolean limitedToOne = dependencyType.substring(dependencyType.indexOf("_")+1, dependencyType.length()).equals("1");
 
-      this.specificCtx.addMasterBotRef(master, limitedToOne);
+      this.specificCtx.addMasterBotRef(master, limitedToOne, dependency.getName());
       this.specificCtx.addMasterImport(master);
     }
 

src/main/java/be/unamur/runtime/CollaborationSetup.java

@@ -5,9 +5,11 @@
 import com.owlike.genson.annotation.JsonCreator;
 import com.owlike.genson.annotation.JsonIgnore;
 import com.owlike.genson.annotation.JsonProperty;
-import org.hyperledger.fabric.contract.Context;
 import be.unamur.runtime.exception.CollaborationSetupException;
 
+import org.hyperledger.fabric.contract.Context;
+
+
 public class CollaborationSetup {
   private boolean setupFinalized;
   private String participantsHandlerPK;

src/main/resources/be.unamur.generator.templates/inputValidator.vm

@@ -4,6 +4,8 @@ import com.owlike.genson.Genson;
 
 import java.util.HashMap;
 import java.util.Map;
+import java.time.LocalDateTime;
+
 
 public class ${botName}InputValidator {
   private static final Genson genson = new Genson();

src/main/resources/be.unamur.generator.templates/specificState.vm

@@ -37,20 +37,21 @@ public class $BOTName${util.getStringWithFirstCap($stateName)}State extends $nam
 #foreach($master in $masters)
 #set($masterName = $master.getName())
     //$util.getStringWithFirstCap($masterName)
-    if(!StubHelper.exists(ctx, object.get${util.getStringWithFirstCap($masterName)}Id()))
-      throw new FailedEventHandlingException("Master with id " + object.get$util.getStringWithFirstCap($masterName)Id() + " does not exist");
+    if(!StubHelper.exists(ctx, object.get${util.getStringWithFirstCap($masterName)}Id_${master.getDependencyName()}()))
+      throw new FailedEventHandlingException("Master with id " + object.get$util.getStringWithFirstCap($masterName)Id_${master.getDependencyName()}() + " does not exist");
 
-    //Retrieve Master ($master.getName())
-    $util.getStringWithFirstCap($masterName) $util.getStringWithFirstLowerCap($masterName) = ($util.getStringWithFirstCap($masterName))StubHelper.findBusinessObject(ctx, object.get$util.getStringWithFirstCap($masterName)Id());
+    //Retrieve Master ($master.getName()_$master.getDependencyName())
+    $util.getStringWithFirstCap($masterName) $util.getStringWithFirstLowerCap($masterName)_$master.getDependencyName() = ($util.getStringWithFirstCap($masterName))StubHelper.findBusinessObject(ctx, object.get$util.getStringWithFirstCap($masterName)Id_$master.getDependencyName()());
 
 #if($master.isLimitedToOne())
     //Master $master.getName() can only have one dependent of type $BOTName. Checking if one already exists
-    if(StubHelper.hasLivingDependentsOfType(ctx, $util.getStringWithFirstLowerCap($masterName), object))
-      throw new FailedEventHandlingException("Master with id " + object.get$util.getStringWithFirstCap($masterName)Id() + " already has a living dependent of type $BOTName (limited to one)");
+    if(StubHelper.hasLivingDependentsOfType(ctx, $util.getStringWithFirstLowerCap($masterName)_$master.getDependencyName(), object))
+      throw new FailedEventHandlingException("Master with id " + object.get$util.getStringWithFirstCap($masterName)Id_$master.getDependencyName()() + " already has a living dependent of type $BOTName (limited to one)");
 #end
 #end
 #end
 
+##Disabled MPC in Wim Version
 #if($mpcPresent)
     //Checking Multiple Propagation Constraints
 #foreach($mpcCheck in $mpcChecks)
@@ -120,8 +121,9 @@ public class $BOTName${util.getStringWithFirstCap($stateName)}State extends $nam
 #foreach($master in $masters)
 #set($masterName = $master.getName())
     //$util.getStringWithFirstCap($masterName)
-##    $util.getStringWithFirstCap($masterName) $util.getStringWithFirstLowerCap($masterName) = ($util.getStringWithFirstCap($masterName))StubHelper.findBusinessObject(ctx, object.get$util.getStringWithFirstCap($masterName)Id());
-    ${util.getStringWithFirstLowerCap($masterName)}.getCurrentState().$method.getName()($util.getStringWithFirstLowerCap($masterName), ctx);
+##    $util.getStringWithFirstCap($masterName) $util.getStringWithFirstLowerCap($masterName)_${master.getDependencyName()} = ($util.getStringWithFirstCap($masterName))StubHelper.findBusinessObject(ctx, object.get$util.getStringWithFirstCap($masterName)Id_${master.getDependencyName()}());
+    ${util.getStringWithFirstLowerCap($masterName)}_${master.getDependencyName()}.getCurrentState().$method.getName()($util.getStringWithFirstLowerCap($masterName)_${master.getDependencyName()}, ctx);
+
 #end
 #end
   }
@@ -193,7 +195,7 @@ public class $BOTName${util.getStringWithFirstCap($stateName)}State extends $nam
     $BOTName currentLedgerObject = ($BOTName)StubHelper.findBusinessObject(ctx, object.getId());
 #foreach($master in $masters)
 #set($masterName = $master.getName())
-    if(!object.get$util.getStringWithFirstCap($masterName)Id().equals(currentLedgerObject.get$util.getStringWithFirstCap($masterName)Id()))
+    if(!object.get$util.getStringWithFirstCap($masterName)Id_${master.getDependencyName()}().equals(currentLedgerObject.get$util.getStringWithFirstCap($masterName)Id_${master.getDependencyName()}()))
       throw new FailedEventHandlingException("The master of a Business Object (" + object.getId() + ") cannot be changed");
 #end
 #end
@@ -206,8 +208,8 @@ public class $BOTName${util.getStringWithFirstCap($stateName)}State extends $nam
 #foreach($master in $masters)
 #set($masterName = $master.getName())
     //$util.getStringWithFirstCap($masterName)
-    $util.getStringWithFirstCap($masterName) $util.getStringWithFirstLowerCap($masterName) = ($util.getStringWithFirstCap($masterName))StubHelper.findBusinessObject(ctx, object.get$util.getStringWithFirstCap($masterName)Id());
-    ${util.getStringWithFirstLowerCap($masterName)}.getCurrentState().$method.getName()($util.getStringWithFirstLowerCap($masterName), ctx);
+    $util.getStringWithFirstCap($masterName) $util.getStringWithFirstLowerCap($masterName)_${master.getDependencyName()} = ($util.getStringWithFirstCap($masterName))StubHelper.findBusinessObject(ctx, object.get$util.getStringWithFirstCap($masterName)Id_${master.getDependencyName()}());
+    ${util.getStringWithFirstLowerCap($masterName)}_${master.getDependencyName()}.getCurrentState().$method.getName()($util.getStringWithFirstLowerCap($masterName)_${master.getDependencyName()}, ctx);
 #end
 #end
   }
@@ -295,8 +297,8 @@ public class $BOTName${util.getStringWithFirstCap($stateName)}State extends $nam
 #foreach($master in $masters)
 #set($masterName = $master.getName())
     //$util.getStringWithFirstCap($masterName)
-    $util.getStringWithFirstCap($masterName) $util.getStringWithFirstLowerCap($masterName) = ($util.getStringWithFirstCap($masterName))StubHelper.findBusinessObject(ctx, object.get$util.getStringWithFirstCap($masterName)Id());
-    ${util.getStringWithFirstLowerCap($masterName)}.getCurrentState().$method.getName()($util.getStringWithFirstLowerCap($masterName), ctx);
+    $util.getStringWithFirstCap($masterName) $util.getStringWithFirstLowerCap($masterName)_${master.getDependencyName()} = ($util.getStringWithFirstCap($masterName))StubHelper.findBusinessObject(ctx, object.get$util.getStringWithFirstCap($masterName)Id_${master.getDependencyName()}());
+    ${util.getStringWithFirstLowerCap($masterName)}_${master.getDependencyName()}.getCurrentState().$method.getName()($util.getStringWithFirstLowerCap($masterName)_${master.getDependencyName()}, ctx);
 #end
 #end
   }