private void invokeRemove(
      MethodVisitor mv,
      String wrapperName,
      ClassDefinition core,
      String fieldName,
      FieldDefinition field) {
    mv.visitLdcInsn(fieldName);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(
        INVOKEVIRTUAL,
        Type.getInternalName(String.class),
        "equals",
        "(" + Type.getDescriptor(Object.class) + ")Z");
    Label l1 = new Label();
    mv.visitJumpInsn(IFEQ, l1);

    TraitFactory.invokeExtractor(mv, wrapperName, trait, core, field);

    if (BuildUtils.isPrimitive(field.getTypeName())) {
      TraitFactory.valueOf(mv, field.getTypeName());
    }
    mv.visitVarInsn(ASTORE, 2);

    TraitFactory.invokeInjector(mv, wrapperName, trait, core, field, true, 1);

    mv.visitVarInsn(ALOAD, 2);
    mv.visitInsn(ARETURN);
    mv.visitLabel(l1);
  }
 // build from saved work file
 public TwoAlleleIncompleteDominanceGeneModel(List<Element> traitList, int chromo, int gene) {
   Iterator<Element> elIt = traitList.iterator();
   t1 = TraitFactory.getInstance().buildTrait(elIt.next(), chromo, gene, 1);
   t2 = TraitFactory.getInstance().buildTrait(elIt.next(), chromo, gene, 2);
   t3 = TraitFactory.getInstance().buildTrait(elIt.next(), chromo, gene, 3);
   setupGenoPhenoTable();
 }
  protected void invokePut(
      MethodVisitor mv,
      String wrapperName,
      ClassDefinition core,
      String fieldName,
      FieldDefinition field) {
    mv.visitLdcInsn(fieldName);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(
        INVOKEVIRTUAL,
        Type.getInternalName(String.class),
        "equals",
        "(" + Type.getDescriptor(Object.class) + ")Z");
    Label l1 = new Label();
    mv.visitJumpInsn(IFEQ, l1);

    mv.visitVarInsn(ALOAD, 2);
    if (BuildUtils.isPrimitive(field.getTypeName())) {
      TraitFactory.primitiveValue(mv, field.getTypeName());
      mv.visitVarInsn(BuildUtils.storeType(field.getTypeName()), 3);
      TraitFactory.invokeInjector(mv, wrapperName, trait, core, field, false, 3);
    } else {
      TraitFactory.invokeInjector(mv, wrapperName, trait, core, field, false, 2);
    }

    mv.visitVarInsn(ALOAD, 2);
    mv.visitInsn(ARETURN);
    mv.visitLabel(l1);
  }
  private void buildClear(
      ClassWriter cw,
      String wrapperName,
      String coreName,
      ClassDefinition trait,
      ClassDefinition core,
      BitSet mask) {
    String internalWrapper = BuildUtils.getInternalType(wrapperName);

    boolean hasPrimitiveFields = false;
    boolean hasObjectFields = false;
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "clear", "()V", null, null);
    mv.visitCode();

    for (FieldDefinition field : core.getFieldsDefinitions()) {
      if (field.isKey()) continue;
      if (BuildUtils.isPrimitive(field.getTypeName())) {
        hasPrimitiveFields = true;
      } else {
        hasObjectFields = true;
      }
      TraitFactory.invokeInjector(mv, wrapperName, trait, core, field, true, 1);
    }

    int stack = 2;
    if (hasPrimitiveFields) {
      stack++;
    }
    if (hasObjectFields) {
      stack++;
    }

    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));
    mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(Map.class), "clear", "()V");

    int num = initSoftFields(mv, trait, core, internalWrapper, mask, 0);
    stack += num;

    mv.visitInsn(RETURN);
    //        mv.visitMaxs( stack , 1 );
    mv.visitMaxs(0, 0);
    mv.visitEnd();
  }
  public byte[] buildClass(ClassDefinition core)
      throws IOException, IntrospectionException, SecurityException, IllegalArgumentException,
          ClassNotFoundException, NoSuchMethodException, IllegalAccessException,
          InvocationTargetException, InstantiationException, NoSuchFieldException {

    Class coreKlazz = core.getDefinedClass();
    String coreName = coreKlazz.getName();
    String wrapperName = coreName + "Wrapper";

    ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
    FieldVisitor fv;
    MethodVisitor mv;

    cw.visit(
        V1_5,
        ACC_PUBLIC + ACC_SUPER,
        BuildUtils.getInternalType(wrapperName),
        BuildUtils.getTypeDescriptor(coreName)
            + "Lorg/drools/factmodel/traits/CoreWrapper<"
            + BuildUtils.getTypeDescriptor(coreName)
            + ">;",
        BuildUtils.getInternalType(coreName),
        new String[] {
          Type.getInternalName(CoreWrapper.class), Type.getInternalName(Externalizable.class)
        });

    {
      fv = cw.visitField(ACC_PRIVATE, "core", BuildUtils.getTypeDescriptor(coreName), null, null);
      fv.visitEnd();
    }
    {
      fv =
          cw.visitField(
              ACC_PRIVATE,
              TraitableBean.MAP_FIELD_NAME,
              Type.getDescriptor(Map.class),
              "Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;",
              null);
      fv.visitEnd();
    }
    {
      fv =
          cw.visitField(
              ACC_PRIVATE,
              TraitableBean.TRAITSET_FIELD_NAME,
              Type.getDescriptor(Map.class),
              "Ljava/util/Map<Ljava/lang/String;Lorg/drools/factmodel/traits/Thing;>;",
              null);
      fv.visitEnd();
    }

    {
      mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
      mv.visitCode();

      mv.visitVarInsn(ALOAD, 0);
      mv.visitMethodInsn(INVOKESPECIAL, BuildUtils.getInternalType(coreName), "<init>", "()V");

      //            mv.visitVarInsn( ALOAD, 0 );
      //            mv.visitTypeInsn( NEW, Type.getInternalName( HashMap.class ) );
      //            mv.visitInsn( DUP );
      //            mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( HashMap.class ),
      // "<init>", "()V" );
      //            mv.visitFieldInsn( PUTFIELD,
      //                    BuildUtils.getInternalType( wrapperName ),
      //                    TraitableBean.MAP_FIELD_NAME,
      //                    Type.getDescriptor( Map.class ) );

      //            mv.visitVarInsn( ALOAD, 0 );
      //            mv.visitTypeInsn( NEW, Type.getInternalName( VetoableTypedMap.class ) );
      //            mv.visitInsn( DUP );
      //            mv.visitTypeInsn( NEW, Type.getInternalName( HashMap.class ) );
      //            mv.visitInsn( DUP );
      //            mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( HashMap.class ),
      // "<init>", "()V" );
      //            mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( VetoableTypedMap.class
      // ), "<init>", "(" + Type.getDescriptor( Map.class ) + ")V" );
      //            mv.visitFieldInsn( PUTFIELD,
      //                    BuildUtils.getInternalType( wrapperName ),
      //                    TraitableBean.TRAITSET_FIELD_NAME,
      //                    Type.getDescriptor( Map.class ) );

      mv.visitInsn(RETURN);
      mv.visitMaxs(0, 0);
      mv.visitEnd();
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "getCore")) {
      {
        mv =
            cw.visitMethod(
                ACC_PUBLIC,
                "getCore",
                "()" + Type.getDescriptor(Object.class),
                "()" + BuildUtils.getTypeDescriptor(coreName),
                null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(
            GETFIELD,
            BuildUtils.getInternalType(wrapperName),
            "core",
            BuildUtils.getTypeDescriptor(coreName));
        mv.visitInsn(ARETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
      }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "getDynamicProperties")) {
      {
        mv =
            cw.visitMethod(
                ACC_PUBLIC,
                "getDynamicProperties",
                "()" + Type.getDescriptor(Map.class),
                "()Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;",
                null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(
            GETFIELD,
            BuildUtils.getInternalType(wrapperName),
            TraitableBean.MAP_FIELD_NAME,
            Type.getDescriptor(Map.class));
        mv.visitInsn(ARETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();

        mv =
            cw.visitMethod(
                ACC_PUBLIC,
                "setDynamicProperties",
                "(" + Type.getDescriptor(Map.class) + ")V",
                "(Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;)V",
                null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitFieldInsn(
            PUTFIELD,
            BuildUtils.getInternalType(wrapperName),
            TraitableBean.MAP_FIELD_NAME,
            Type.getDescriptor(Map.class));
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
      }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "getTraitMap")) {
      {
        mv =
            cw.visitMethod(
                ACC_PUBLIC,
                "getTraitMap",
                "()" + Type.getDescriptor(Map.class),
                "()Ljava/util/Map<Ljava/lang/String;Lorg/drools/factmodel/traits/Thing;>;",
                null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(
            GETFIELD,
            BuildUtils.getInternalType(wrapperName),
            TraitableBean.TRAITSET_FIELD_NAME,
            Type.getDescriptor(Map.class));
        Label l0 = new Label();
        mv.visitJumpInsn(IFNONNULL, l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitTypeInsn(NEW, Type.getInternalName(VetoableTypedMap.class));
        mv.visitInsn(DUP);
        mv.visitTypeInsn(NEW, Type.getInternalName(HashMap.class));
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(HashMap.class), "<init>", "()V");
        mv.visitMethodInsn(
            INVOKESPECIAL,
            Type.getInternalName(VetoableTypedMap.class),
            "<init>",
            "(" + Type.getDescriptor(Map.class) + ")V");
        mv.visitFieldInsn(
            PUTFIELD,
            BuildUtils.getInternalType(wrapperName),
            TraitableBean.TRAITSET_FIELD_NAME,
            Type.getDescriptor(Map.class));
        mv.visitLabel(l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(
            GETFIELD,
            BuildUtils.getInternalType(wrapperName),
            TraitableBean.TRAITSET_FIELD_NAME,
            Type.getDescriptor(Map.class));
        mv.visitInsn(ARETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
      }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "setTraitMap", Map.class)) {
      {
        mv = cw.visitMethod(ACC_PUBLIC, "setTraitMap", "(Ljava/util/Map;)V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitTypeInsn(NEW, Type.getInternalName(VetoableTypedMap.class));
        mv.visitInsn(DUP);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(
            INVOKESPECIAL,
            Type.getInternalName(VetoableTypedMap.class),
            "<init>",
            "(" + Type.getDescriptor(Map.class) + ")V");
        mv.visitFieldInsn(
            PUTFIELD,
            BuildUtils.getInternalType(wrapperName),
            TraitableBean.TRAITSET_FIELD_NAME,
            Type.getDescriptor(Map.class));
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
      }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "addTrait", String.class, Thing.class)) {
      {
        mv =
            cw.visitMethod(
                ACC_PUBLIC,
                "addTrait",
                "(" + Type.getDescriptor(String.class) + Type.getDescriptor(Thing.class) + ")V",
                "(" + Type.getDescriptor(String.class) + Type.getDescriptor(Thing.class) + ")V",
                null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(
            INVOKEVIRTUAL,
            BuildUtils.getInternalType(wrapperName),
            "getTraitMap",
            "()" + Type.getDescriptor(Map.class));
        mv.visitTypeInsn(CHECKCAST, Type.getInternalName(VetoableTypedMap.class));
        mv.visitVarInsn(ALOAD, 1);
        mv.visitVarInsn(ALOAD, 2);
        mv.visitMethodInsn(
            INVOKEVIRTUAL,
            Type.getInternalName(VetoableTypedMap.class),
            "putSafe",
            "("
                + Type.getDescriptor(String.class)
                + Type.getDescriptor(Thing.class)
                + ")"
                + Type.getDescriptor(Thing.class));
        mv.visitInsn(POP);
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
      }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "getTrait", String.class)) {
      {
        mv =
            cw.visitMethod(
                ACC_PUBLIC,
                "getTrait",
                "(" + Type.getDescriptor(String.class) + ")" + Type.getDescriptor(Thing.class),
                "(" + Type.getDescriptor(String.class) + ")" + Type.getDescriptor(Thing.class),
                null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(
            INVOKEVIRTUAL,
            BuildUtils.getInternalType(wrapperName),
            "getTraitMap",
            "()" + Type.getDescriptor(Map.class));
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(
            INVOKEINTERFACE,
            Type.getInternalName(Map.class),
            "get",
            "(" + Type.getDescriptor(Object.class) + ")" + Type.getDescriptor(Object.class));
        mv.visitTypeInsn(CHECKCAST, Type.getInternalName(Thing.class));
        mv.visitInsn(ARETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
      }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "hasTrait", String.class)) {
      {
        mv =
            cw.visitMethod(
                ACC_PUBLIC, "hasTrait", "(" + Type.getDescriptor(String.class) + ")Z", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(
            INVOKEVIRTUAL,
            BuildUtils.getInternalType(wrapperName),
            "getTraitMap",
            "()" + Type.getDescriptor(Map.class));
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(
            INVOKEINTERFACE,
            Type.getInternalName(Map.class),
            "containsKey",
            "(" + Type.getDescriptor(Object.class) + ")Z");
        mv.visitInsn(IRETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
      }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "removeTrait", String.class)) {
      {
        mv =
            cw.visitMethod(
                ACC_PUBLIC,
                "removeTrait",
                "(" + Type.getDescriptor(String.class) + ")" + Type.getDescriptor(Thing.class),
                "(" + Type.getDescriptor(String.class) + ")" + Type.getDescriptor(Thing.class),
                null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(
            INVOKEVIRTUAL,
            BuildUtils.getInternalType(wrapperName),
            "getTraitMap",
            "()" + Type.getDescriptor(Map.class));
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(
            INVOKEINTERFACE,
            Type.getInternalName(Map.class),
            "remove",
            "(" + Type.getDescriptor(Object.class) + ")" + Type.getDescriptor(Object.class));
        mv.visitTypeInsn(CHECKCAST, Type.getInternalName(Thing.class));
        mv.visitInsn(ARETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
      }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "getTraits")) {
      {
        mv =
            cw.visitMethod(
                ACC_PUBLIC,
                "getTraits",
                "()" + Type.getDescriptor(Collection.class),
                "()Ljava/util/Collection<Ljava/lang/String;>;",
                null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(
            INVOKEVIRTUAL,
            BuildUtils.getInternalType(wrapperName),
            "getTraitMap",
            "()" + Type.getDescriptor(Map.class));
        mv.visitMethodInsn(
            INVOKEINTERFACE,
            Type.getInternalName(Map.class),
            "keySet",
            "()" + Type.getDescriptor(Set.class));
        mv.visitInsn(ARETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
      }
    }

    {
      mv =
          cw.visitMethod(
              ACC_PUBLIC,
              "writeExternal",
              "(" + Type.getDescriptor(ObjectOutput.class) + ")V",
              null,
              new String[] {Type.getInternalName(IOException.class)});
      mv.visitCode();

      mv.visitVarInsn(ALOAD, 1);
      mv.visitVarInsn(ALOAD, 0);
      mv.visitMethodInsn(
          INVOKEVIRTUAL,
          BuildUtils.getInternalType(wrapperName),
          "getCore",
          "()" + Type.getDescriptor(Object.class));
      mv.visitMethodInsn(
          INVOKEINTERFACE,
          Type.getInternalName(ObjectOutput.class),
          "writeObject",
          "(" + Type.getDescriptor(Object.class) + ")V");

      mv.visitVarInsn(ALOAD, 1);
      mv.visitVarInsn(ALOAD, 0);
      mv.visitFieldInsn(
          GETFIELD,
          BuildUtils.getInternalType(wrapperName),
          TraitableBean.MAP_FIELD_NAME,
          Type.getDescriptor(Map.class));
      mv.visitMethodInsn(
          INVOKEINTERFACE,
          Type.getInternalName(ObjectOutput.class),
          "writeObject",
          "(" + Type.getDescriptor(Object.class) + ")V");

      mv.visitVarInsn(ALOAD, 1);
      mv.visitVarInsn(ALOAD, 0);
      mv.visitFieldInsn(
          GETFIELD,
          BuildUtils.getInternalType(wrapperName),
          TraitableBean.TRAITSET_FIELD_NAME,
          Type.getDescriptor(Map.class));
      mv.visitMethodInsn(
          INVOKEINTERFACE,
          Type.getInternalName(ObjectOutput.class),
          "writeObject",
          "(" + Type.getDescriptor(Object.class) + ")V");

      mv.visitInsn(RETURN);
      mv.visitMaxs(0, 0);
      mv.visitEnd();
    }
    {
      mv =
          cw.visitMethod(
              ACC_PUBLIC,
              "readExternal",
              "(" + Type.getDescriptor(ObjectInput.class) + ")V",
              null,
              new String[] {
                Type.getInternalName(IOException.class),
                Type.getInternalName(ClassNotFoundException.class)
              });
      mv.visitCode();

      mv.visitVarInsn(ALOAD, 0);
      mv.visitVarInsn(ALOAD, 1);
      mv.visitMethodInsn(
          INVOKEINTERFACE,
          Type.getInternalName(ObjectInput.class),
          "readObject",
          "()" + Type.getDescriptor(Object.class));
      mv.visitTypeInsn(CHECKCAST, BuildUtils.getInternalType(coreName));
      mv.visitFieldInsn(
          PUTFIELD,
          BuildUtils.getInternalType(wrapperName),
          "core",
          BuildUtils.getTypeDescriptor(coreName));

      mv.visitVarInsn(ALOAD, 0);
      mv.visitVarInsn(ALOAD, 1);
      mv.visitMethodInsn(
          INVOKEINTERFACE,
          Type.getInternalName(ObjectInput.class),
          "readObject",
          "()" + Type.getDescriptor(Object.class));
      mv.visitTypeInsn(CHECKCAST, Type.getInternalName(Map.class));
      mv.visitFieldInsn(
          PUTFIELD,
          BuildUtils.getInternalType(wrapperName),
          TraitableBean.MAP_FIELD_NAME,
          Type.getDescriptor(Map.class));

      mv.visitVarInsn(ALOAD, 0);
      mv.visitVarInsn(ALOAD, 1);
      mv.visitMethodInsn(
          INVOKEINTERFACE,
          Type.getInternalName(ObjectInput.class),
          "readObject",
          "()" + Type.getDescriptor(Object.class));
      mv.visitTypeInsn(CHECKCAST, Type.getInternalName(Map.class));
      mv.visitFieldInsn(
          PUTFIELD,
          BuildUtils.getInternalType(wrapperName),
          TraitableBean.TRAITSET_FIELD_NAME,
          Type.getDescriptor(Map.class));

      mv.visitInsn(RETURN);
      mv.visitMaxs(0, 0);
      mv.visitEnd();
    }

    {
      mv =
          cw.visitMethod(
              ACC_PUBLIC, "init", "(" + BuildUtils.getTypeDescriptor(coreName) + ")V", null, null);
      mv.visitCode();
      mv.visitVarInsn(ALOAD, 0);
      mv.visitVarInsn(ALOAD, 1);
      mv.visitFieldInsn(
          PUTFIELD,
          BuildUtils.getInternalType(wrapperName),
          "core",
          BuildUtils.getTypeDescriptor(coreName));
      mv.visitInsn(RETURN);
      mv.visitMaxs(0, 0);
      mv.visitEnd();
    }

    Method[] ms = coreKlazz.getMethods();
    for (Method method : ms) {
      if (Modifier.isFinal(method.getModifiers())) {
        continue;
      }

      String signature = TraitFactory.buildSignature(method);
      {
        mv = cw.visitMethod(ACC_PUBLIC, method.getName(), signature, null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(
            GETFIELD,
            BuildUtils.getInternalType(wrapperName),
            "core",
            BuildUtils.getTypeDescriptor(coreName));
        int j = 1;
        for (Class arg : method.getParameterTypes()) {
          mv.visitVarInsn(BuildUtils.varType(arg.getName()), j++);
        }
        mv.visitMethodInsn(
            INVOKEVIRTUAL, BuildUtils.getInternalType(coreName), method.getName(), signature);

        mv.visitInsn(BuildUtils.returnType(method.getReturnType().getName()));
        int stack = TraitFactory.getStackSize(method);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
      }
    }

    {
      mv =
          cw.visitMethod(
              ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC,
              "init",
              "(" + Type.getDescriptor(Object.class) + ")V",
              null,
              null);
      mv.visitCode();
      mv.visitVarInsn(ALOAD, 0);
      mv.visitVarInsn(ALOAD, 1);
      mv.visitTypeInsn(CHECKCAST, BuildUtils.getInternalType(coreName));
      mv.visitMethodInsn(
          INVOKEVIRTUAL,
          BuildUtils.getInternalType(wrapperName),
          "init",
          "(" + BuildUtils.getTypeDescriptor(coreName) + ")V");
      mv.visitInsn(RETURN);
      mv.visitMaxs(0, 0);
      mv.visitEnd();
    }

    {
      mv =
          cw.visitMethod(
              ACC_PUBLIC,
              "denyTrait",
              "(" + Type.getDescriptor(Class.class) + ")V",
              null,
              new String[] {Type.getInternalName(LogicalTypeInconsistencyException.class)});
      mv.visitCode();
      mv.visitVarInsn(ALOAD, 0);
      mv.visitFieldInsn(
          GETFIELD,
          BuildUtils.getInternalType(wrapperName),
          TraitableBean.TRAITSET_FIELD_NAME,
          Type.getDescriptor(Map.class));
      mv.visitTypeInsn(CHECKCAST, Type.getInternalName(VetoableTypedMap.class));
      mv.visitVarInsn(ALOAD, 1);
      mv.visitMethodInsn(
          INVOKEVIRTUAL,
          Type.getInternalName(VetoableTypedMap.class),
          "addToVetoable",
          "(" + Type.getDescriptor(Class.class) + ")V");
      mv.visitInsn(RETURN);
      mv.visitMaxs(0, 0);
      mv.visitEnd();
    }
    {
      mv =
          cw.visitMethod(
              ACC_PUBLIC, "allowTrait", "(" + Type.getDescriptor(Class.class) + ")V", null, null);
      mv.visitCode();
      mv.visitVarInsn(ALOAD, 0);
      mv.visitFieldInsn(
          GETFIELD,
          BuildUtils.getInternalType(wrapperName),
          TraitableBean.TRAITSET_FIELD_NAME,
          Type.getDescriptor(Map.class));
      mv.visitTypeInsn(CHECKCAST, Type.getInternalName(VetoableTypedMap.class));
      mv.visitVarInsn(ALOAD, 1);
      mv.visitMethodInsn(
          INVOKEVIRTUAL,
          Type.getInternalName(VetoableTypedMap.class),
          "removeFromVetoable",
          "(" + Type.getDescriptor(Class.class) + ")V");
      mv.visitInsn(RETURN);
      mv.visitMaxs(0, 0);
      mv.visitEnd();
    }
    cw.visitEnd();

    return cw.toByteArray();
  }
  private void buildValues(
      ClassVisitor cw,
      String wrapperName,
      String coreName,
      ClassDefinition trait,
      ClassDefinition core,
      BitSet mask) {
    String internalWrapper = BuildUtils.getInternalType(wrapperName);

    MethodVisitor mv =
        cw.visitMethod(
            ACC_PUBLIC,
            "values",
            "()" + Type.getDescriptor(Collection.class),
            "()Ljava/util/Collection<Ljava/lang/Object;>;",
            null);
    mv.visitCode();

    mv.visitTypeInsn(NEW, Type.getInternalName(ArrayList.class));
    mv.visitInsn(DUP);
    mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(ArrayList.class), "<init>", "()V");
    mv.visitVarInsn(ASTORE, 1);

    for (FieldDefinition field : core.getFieldsDefinitions()) {
      mv.visitVarInsn(ALOAD, 1);

      TraitFactory.invokeExtractor(mv, wrapperName, trait, core, field);

      if (BuildUtils.isPrimitive(field.getTypeName())) {
        TraitFactory.valueOf(mv, field.getTypeName());
      }

      mv.visitMethodInsn(
          INVOKEINTERFACE,
          Type.getInternalName(Collection.class),
          "add",
          "(" + Type.getDescriptor(Object.class) + ")Z");
      mv.visitInsn(POP);
    }

    mv.visitVarInsn(ALOAD, 1);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));
    mv.visitMethodInsn(
        INVOKEINTERFACE,
        Type.getInternalName(Map.class),
        "values",
        "()" + Type.getDescriptor(Collection.class));
    mv.visitMethodInsn(
        INVOKEINTERFACE,
        Type.getInternalName(Collection.class),
        "addAll",
        "(" + Type.getDescriptor(Collection.class) + ")Z");
    mv.visitInsn(POP);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitInsn(ARETURN);

    //        mv.visitMaxs( core.getFieldsDefinitions().size() > 0 ? 3 : 2, 2);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
  }
  public byte[] buildClass(ClassDefinition core, ClassLoader classLoader)
      throws IOException, SecurityException, IllegalArgumentException, ClassNotFoundException,
          NoSuchMethodException, IllegalAccessException, InvocationTargetException,
          InstantiationException, NoSuchFieldException {

    FieldVisitor fv;
    MethodVisitor mv;

    // get the method bitmask
    BitSet mask = traitRegistry.getFieldMask(trait.getName(), core.getDefinedClass().getName());

    String name = TraitFactory.getPropertyWrapperName(trait, core);

    String internalWrapper = BuildUtils.getInternalType(name);
    String descrCore = Type.getDescriptor(core.getDefinedClass());
    String internalCore = Type.getInternalName(core.getDefinedClass());

    ClassWriter cw =
        createClassWriter(
            classLoader,
            ACC_PUBLIC + ACC_SUPER,
            internalWrapper,
            Type.getDescriptor(Object.class)
                + Type.getDescriptor(Map.class)
                + Type.getDescriptor(MapWrapper.class),
            //
            // "Ljava/lang/Object;Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;Lorg/drools/factmodel/traits/MapWrapper;",
            Type.getInternalName(Object.class),
            new String[] {
              Type.getInternalName(Map.class),
              Type.getInternalName(MapWrapper.class),
              Type.getInternalName(Serializable.class)
            });

    cw.visitInnerClass(
        Type.getInternalName(Map.Entry.class),
        Type.getInternalName(Map.class),
        "Entry",
        ACC_PUBLIC + ACC_STATIC + ACC_ABSTRACT + ACC_INTERFACE);

    {
      fv = cw.visitField(0, "object", descrCore, null, null);
      fv.visitEnd();
    }

    {
      fv =
          cw.visitField(
              0,
              "map",
              Type.getDescriptor(Map.class),
              "Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;",
              null);
      fv.visitEnd();
    }

    {
      mv =
          cw.visitMethod(
              ACC_PUBLIC,
              "<init>",
              "(" + descrCore + Type.getDescriptor(Map.class) + ")V",
              "(" + descrCore + "Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;)V",
              null);
      mv.visitCode();
      mv.visitVarInsn(ALOAD, 0);
      mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(Object.class), "<init>", "()V");
      mv.visitVarInsn(ALOAD, 0);
      mv.visitVarInsn(ALOAD, 1);
      mv.visitFieldInsn(PUTFIELD, internalWrapper, "object", descrCore);
      mv.visitVarInsn(ALOAD, 0);
      mv.visitVarInsn(ALOAD, 2);
      mv.visitFieldInsn(PUTFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));

      mv.visitVarInsn(ALOAD, 1);
      mv.visitVarInsn(ALOAD, 2);
      mv.visitMethodInsn(
          INVOKEVIRTUAL,
          internalCore,
          "_setDynamicProperties",
          "(" + Type.getDescriptor(Map.class) + ")V");

      initSoftFields(mv, trait, core, internalWrapper, mask, 2);

      mv.visitInsn(RETURN);
      mv.visitMaxs(0, 0);
      mv.visitEnd();
    }

    buildSize(cw, name, core.getClassName(), trait, core, mask);

    buildIsEmpty(cw, name, core.getClassName(), trait, core, mask);

    buildGet(cw, name, core.getClassName(), trait, core, mask);

    buildPut(cw, name, core.getClassName(), trait, core, mask);

    buildClear(cw, name, core.getClassName(), trait, core, mask);

    buildRemove(cw, name, core.getClassName(), trait, core, mask);

    buildContainsKey(cw, name, core.getClassName(), trait, core, mask);

    buildContainsValue(cw, name, core.getClassName(), trait, core, mask);

    buildKeyset(cw, name, core.getClassName(), trait, core, mask);

    buildValues(cw, name, core.getClassName(), trait, core, mask);

    buildEntryset(cw, name, core.getClassName(), trait, core, mask);

    buildCommonMethods(cw, name);

    cw.visitEnd();

    return cw.toByteArray();
  }
  private void buildContainsValue(
      ClassWriter cw,
      String wrapperName,
      String coreName,
      ClassDefinition trait,
      ClassDefinition core,
      BitSet mask) {
    String internalWrapper = BuildUtils.getInternalType(wrapperName);

    MethodVisitor mv =
        cw.visitMethod(
            ACC_PUBLIC, "containsValue", "(" + Type.getDescriptor(Object.class) + ")Z", null, null);
    mv.visitCode();

    // null check
    mv.visitVarInsn(ALOAD, 1);
    Label l99 = new Label();
    mv.visitJumpInsn(IFNONNULL, l99);

    for (FieldDefinition field : core.getFieldsDefinitions()) {
      if (!BuildUtils.isPrimitive(field.getTypeName())) {
        TraitFactory.invokeExtractor(mv, wrapperName, trait, core, field);
        Label l1 = new Label();
        mv.visitJumpInsn(IFNONNULL, l1);
        mv.visitInsn(ICONST_1);
        mv.visitInsn(IRETURN);
        mv.visitLabel(l1);
      }
    }

    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));
    mv.visitInsn(ACONST_NULL);
    mv.visitMethodInsn(
        INVOKEINTERFACE,
        Type.getInternalName(Map.class),
        "containsValue",
        "(" + Type.getDescriptor(Object.class) + ")Z");
    mv.visitInsn(IRETURN);
    mv.visitLabel(l99);

    // non-null values check
    for (FieldDefinition field : core.getFieldsDefinitions()) {

      mv.visitVarInsn(ALOAD, 1);

      TraitFactory.invokeExtractor(mv, wrapperName, trait, core, field);

      if (BuildUtils.isPrimitive(field.getTypeName())) {
        TraitFactory.valueOf(mv, field.getTypeName());
      }
      mv.visitMethodInsn(
          INVOKEVIRTUAL,
          Type.getInternalName(Object.class),
          "equals",
          "(" + Type.getDescriptor(Object.class) + ")Z");

      Label l0 = new Label();
      mv.visitJumpInsn(IFEQ, l0);
      mv.visitInsn(ICONST_1);
      mv.visitInsn(IRETURN);
      mv.visitLabel(l0);
    }

    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(
        INVOKEINTERFACE,
        Type.getInternalName(Map.class),
        "containsValue",
        "(" + Type.getDescriptor(Object.class) + ")Z");
    mv.visitInsn(IRETURN);
    //        mv.visitMaxs( core.getFieldsDefinitions().size() > 0 ? 3 : 2, 2 );
    mv.visitMaxs(0, 0);
    mv.visitEnd();
  }
  private int initSoftFields(
      MethodVisitor mv,
      ClassDefinition trait,
      ClassDefinition core,
      String internalWrapper,
      BitSet mask,
      int varNum) {
    int j = 0;
    for (FieldDefinition field : trait.getFieldsDefinitions()) {
      boolean isSoftField = TraitRegistry.isSoftField(field, j++, mask);
      if (isSoftField) {

        mv.visitVarInsn(ALOAD, varNum);
        mv.visitLdcInsn(field.resolveAlias());
        mv.visitMethodInsn(
            INVOKEINTERFACE,
            Type.getInternalName(Map.class),
            "containsKey",
            Type.getMethodDescriptor(
                Type.getType(boolean.class), new Type[] {Type.getType(Object.class)}));
        Label l0 = new Label();
        mv.visitJumpInsn(IFNE, l0);

        mv.visitVarInsn(ALOAD, varNum);
        mv.visitLdcInsn(field.resolveAlias());
        mv.visitInsn(BuildUtils.zero(field.getTypeName()));
        if (BuildUtils.isPrimitive(field.getTypeName())) {
          TraitFactory.valueOf(mv, field.getTypeName());
        }
        mv.visitMethodInsn(
            INVOKEINTERFACE,
            Type.getInternalName(Map.class),
            "put",
            Type.getMethodDescriptor(
                Type.getType(Object.class),
                new Type[] {Type.getType(Object.class), Type.getType(Object.class)}));
        mv.visitInsn(POP);

        if (core.isFullTraiting()) {
          mv.visitVarInsn(ALOAD, 0);
          mv.visitFieldInsn(
              GETFIELD, internalWrapper, "object", Type.getDescriptor(core.getDefinedClass()));
          mv.visitTypeInsn(CHECKCAST, Type.getInternalName(TraitableBean.class));
          mv.visitMethodInsn(
              INVOKEINTERFACE,
              Type.getInternalName(TraitableBean.class),
              "_getFieldTMS",
              Type.getMethodDescriptor(Type.getType(TraitFieldTMS.class), new Type[] {}));
          mv.visitVarInsn(ASTORE, 1);
          mv.visitVarInsn(ALOAD, 1);
          mv.visitLdcInsn(field.resolveAlias());
          mv.visitMethodInsn(
              INVOKEINTERFACE,
              Type.getInternalName(TraitFieldTMS.class),
              "isManagingField",
              Type.getMethodDescriptor(Type.BOOLEAN_TYPE, new Type[] {Type.getType(String.class)}));
          Label l1 = new Label();
          mv.visitJumpInsn(IFNE, l1);
          mv.visitVarInsn(ALOAD, 1);
          mv.visitLdcInsn(Type.getType(BuildUtils.getTypeDescriptor(core.getClassName())));
          mv.visitLdcInsn(field.resolveAlias());
          mv.visitMethodInsn(
              INVOKEINTERFACE,
              Type.getInternalName(TraitFieldTMS.class),
              "registerField",
              Type.getMethodDescriptor(
                  Type.VOID_TYPE,
                  new Type[] {Type.getType(Class.class), Type.getType(String.class)}));
          mv.visitLabel(l1);
        }

        mv.visitLabel(l0);
      }
    }
    return 0;
  }
  private void buildRemove(
      ClassWriter cw,
      String wrapperName,
      String coreName,
      ClassDefinition trait,
      ClassDefinition core,
      BitSet mask) {
    String internalWrapper = BuildUtils.getInternalType(wrapperName);

    MethodVisitor mv =
        cw.visitMethod(
            ACC_PUBLIC,
            "remove",
            "(" + Type.getDescriptor(Object.class) + ")" + Type.getDescriptor(Object.class),
            null,
            null);
    mv.visitCode();

    for (FieldDefinition field : core.getFieldsDefinitions()) {
      invokeRemove(mv, wrapperName, core, field.getName(), field);
    }

    int j = 0;
    int stack = 0;
    for (FieldDefinition field : trait.getFieldsDefinitions()) {
      boolean isSoftField = TraitRegistry.isSoftField(field, j++, mask);
      if (isSoftField) {
        mv.visitLdcInsn(field.getName());
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(
            INVOKEVIRTUAL,
            Type.getInternalName(String.class),
            "equals",
            "(" + Type.getDescriptor(Object.class) + ")Z");
        Label l2 = new Label();
        mv.visitJumpInsn(IFEQ, l2);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));
        mv.visitLdcInsn(field.getName());
        mv.visitMethodInsn(
            INVOKEINTERFACE,
            Type.getInternalName(Map.class),
            "get",
            "(" + Type.getDescriptor(Object.class) + ")" + Type.getDescriptor(Object.class));
        mv.visitVarInsn(ASTORE, 2);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));
        mv.visitLdcInsn(field.getName());
        mv.visitInsn(BuildUtils.zero(field.getTypeName()));
        if (BuildUtils.isPrimitive(field.getTypeName())) {
          TraitFactory.valueOf(mv, field.getTypeName());
        }
        mv.visitMethodInsn(
            INVOKEINTERFACE,
            Type.getInternalName(Map.class),
            "put",
            "("
                + Type.getDescriptor(Object.class)
                + Type.getDescriptor(Object.class)
                + ")"
                + Type.getDescriptor(Object.class));
        mv.visitInsn(POP);
        mv.visitVarInsn(ALOAD, 2);
        mv.visitInsn(ARETURN);
        mv.visitLabel(l2);
      }
    }

    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(
        INVOKEINTERFACE,
        Type.getInternalName(Map.class),
        "remove",
        "(" + Type.getDescriptor(Object.class) + ")" + Type.getDescriptor(Object.class));
    mv.visitVarInsn(ASTORE, 2);
    mv.visitVarInsn(ALOAD, 2);
    mv.visitInsn(ARETURN);
    //        mv.visitMaxs( 4 + stack, 3 );
    mv.visitMaxs(0, 0);
    mv.visitEnd();
  }