Examples with ClassMetaData org.datanucleus.metadata.ClassMetaData used on opensource projects

Example 1 with ClassMetaData

use of org.datanucleus.metadata.ClassMetaData in project datanucleus-rdbms by datanucleus.

the class SecondaryTable method providePrimaryKeyMappings.

/**
 * Provide the mappings to the consumer for all primary-key fields mapped to this table (for application identity).
 * @param consumer Consumer for the mappings
 */
public void providePrimaryKeyMappings(MappingConsumer consumer) {
    consumer.preConsumeMapping(highestMemberNumber + 1);
    ClassMetaData cmd = primaryTable.getClassMetaData();
    if (pkMappings != null) {
        // Application identity
        int[] primaryKeyFieldNumbers = cmd.getPKMemberPositions();
        for (int i = 0; i < pkMappings.length; i++) {
            // Make the assumption that the pkMappings are in the same order as the absolute field numbers
            AbstractMemberMetaData fmd = cmd.getMetaDataForManagedMemberAtAbsolutePosition(primaryKeyFieldNumbers[i]);
            consumer.consumeMapping(pkMappings[i], fmd);
        }
    } else {
        // Datastore identity
        int[] primaryKeyFieldNumbers = cmd.getPKMemberPositions();
        int countPkFields = cmd.getNoOfPrimaryKeyMembers();
        for (int i = 0; i < countPkFields; i++) {
            AbstractMemberMetaData pkfmd = cmd.getMetaDataForManagedMemberAtAbsolutePosition(primaryKeyFieldNumbers[i]);
            consumer.consumeMapping(getMemberMapping(pkfmd), pkfmd);
        }
    }
}

Example 2 with ClassMetaData

use of org.datanucleus.metadata.ClassMetaData in project datanucleus-core by datanucleus.

the class DataNucleusEnhancer method validate.

/**
 * Method to validate all classes defined by addClass, addClasses, addJar, addPersistenceUnit, addFiles.
 * @return Number of classes validated
 */
public int validate() {
    if (componentsToEnhance.isEmpty()) {
        // Nothing to validate
        return 0;
    }
    // Load the meta-data for the registered components to enhance.
    long startTime = System.currentTimeMillis();
    Collection<FileMetaData> fileMetaData = getFileMetadataForInput();
    // Validate the classes implied by the FileMetaData
    long inputTime = System.currentTimeMillis();
    Set<String> classNames = new HashSet<String>();
    Iterator<FileMetaData> filemdIter = fileMetaData.iterator();
    while (filemdIter.hasNext()) {
        FileMetaData filemd = filemdIter.next();
        for (int packagenum = 0; packagenum < filemd.getNoOfPackages(); packagenum++) {
            PackageMetaData pmd = filemd.getPackage(packagenum);
            for (int classnum = 0; classnum < pmd.getNoOfClasses(); classnum++) {
                ClassMetaData cmd = pmd.getClass(classnum);
                if (classNames.contains(cmd.getFullClassName())) {
                    // Already processed, maybe via annotations and this is MetaData
                    continue;
                }
                classNames.add(cmd.getFullClassName());
                byte[] bytes = bytesForClassesToEnhanceByClassName != null ? bytesForClassesToEnhanceByClassName.get(cmd.getFullClassName()) : null;
                ClassEnhancer classEnhancer = getClassEnhancer(cmd, bytes);
                validateClass(cmd, classEnhancer);
            }
        }
    }
    // Log info about timings
    long enhanceTime = System.currentTimeMillis();
    String msg = null;
    if (verbose) {
        msg = Localiser.msg("005004", classNames.size(), "" + (inputTime - startTime), "" + (enhanceTime - inputTime), "" + (enhanceTime - startTime));
    } else {
        msg = Localiser.msg("005005", classNames.size());
    }
    addMessage(msg, false);
    // Remove the input specification
    if (bytesForClassesToEnhanceByClassName != null) {
        bytesForClassesToEnhanceByClassName.clear();
        bytesForClassesToEnhanceByClassName = null;
    }
    componentsToEnhance.clear();
    return classNames.size();
}

Example 3 with ClassMetaData

use of org.datanucleus.metadata.ClassMetaData in project datanucleus-core by datanucleus.

the class CopyKeyFieldsFromObjectId2 method execute.

/**
 * Method to add the contents of the class method.
 */
public void execute() {
    visitor.visitCode();
    ClassMetaData cmd = enhancer.getClassMetaData();
    if (cmd.getIdentityType() == IdentityType.APPLICATION) {
        // application identity
        if (!cmd.isInstantiable()) {
            // Application identity but mapped-superclass with no PK defined, so just "return"
            Label startLabel = new Label();
            visitor.visitLabel(startLabel);
            visitor.visitInsn(Opcodes.RETURN);
            Label endLabel = new Label();
            visitor.visitLabel(endLabel);
            visitor.visitLocalVariable("this", getClassEnhancer().getClassDescriptor(), null, startLabel, endLabel, 0);
            visitor.visitLocalVariable(argNames[0], EnhanceUtils.CD_Object, null, startLabel, endLabel, 1);
            visitor.visitMaxs(0, 2);
        } else {
            String objectIdClass = cmd.getObjectidClass();
            String ACN_objectIdClass = objectIdClass.replace('.', '/');
            int[] pkFieldNums = enhancer.getClassMetaData().getPKMemberPositions();
            if (IdentityUtils.isSingleFieldIdentityClass(objectIdClass)) {
                // SingleFieldIdentity
                Label startLabel = new Label();
                visitor.visitLabel(startLabel);
                // if (!(oid instanceof LongIdentity)) throw new ClassCastException("...")
                visitor.visitVarInsn(Opcodes.ALOAD, 1);
                visitor.visitTypeInsn(Opcodes.INSTANCEOF, ACN_objectIdClass);
                Label l1 = new Label();
                visitor.visitJumpInsn(Opcodes.IFNE, l1);
                visitor.visitTypeInsn(Opcodes.NEW, "java/lang/ClassCastException");
                visitor.visitInsn(Opcodes.DUP);
                visitor.visitLdcInsn("key class is not " + objectIdClass + " or null");
                visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/ClassCastException", "<init>", "(Ljava/lang/String;)V");
                visitor.visitInsn(Opcodes.ATHROW);
                // XXXIdentity o = (XXXIdentity) oid;
                visitor.visitLabel(l1);
                visitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                visitor.visitVarInsn(Opcodes.ALOAD, 1);
                visitor.visitTypeInsn(Opcodes.CHECKCAST, ACN_objectIdClass);
                visitor.visitVarInsn(Opcodes.ASTORE, 2);
                // id = o.getKey();
                Label l5 = new Label();
                visitor.visitLabel(l5);
                visitor.visitVarInsn(Opcodes.ALOAD, 0);
                AbstractMemberMetaData fmd = enhancer.getClassMetaData().getMetaDataForManagedMemberAtAbsolutePosition(pkFieldNums[0]);
                Class primitiveType = ClassUtils.getPrimitiveTypeForType(fmd.getType());
                if (primitiveType != null) {
                    // The PK field is a primitive wrapper so create wrapper from getKey()
                    String ACN_fieldType = fmd.getTypeName().replace('.', '/');
                    String getKeyReturnDesc = Type.getDescriptor(primitiveType);
                    visitor.visitVarInsn(Opcodes.ALOAD, 2);
                    visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, ACN_objectIdClass, "getKey", "()" + getKeyReturnDesc);
                    visitor.visitMethodInsn(Opcodes.INVOKESTATIC, ACN_fieldType, "valueOf", "(" + getKeyReturnDesc + ")L" + ACN_fieldType + ";");
                } else {
                    // PK field isn't a primitive wrapper
                    visitor.visitVarInsn(Opcodes.ALOAD, 2);
                    visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, ACN_objectIdClass, "getKey", "()" + getNamer().getTypeDescriptorForSingleFieldIdentityGetKey(objectIdClass));
                    if (objectIdClass.equals(getNamer().getObjectIdentityClass().getName())) {
                        // Cast to the right type
                        visitor.visitTypeInsn(Opcodes.CHECKCAST, fmd.getTypeName().replace('.', '/'));
                    }
                }
                if (fmd instanceof PropertyMetaData) {
                    // Persistent property so use dnSetXXX(...)
                    visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, getClassEnhancer().getASMClassName(), getNamer().getSetMethodPrefixMethodName() + fmd.getName(), "(" + Type.getDescriptor(fmd.getType()) + ")V");
                } else {
                    // Persistent field so use xxx = ...
                    visitor.visitFieldInsn(Opcodes.PUTFIELD, getClassEnhancer().getASMClassName(), fmd.getName(), Type.getDescriptor(fmd.getType()));
                }
                visitor.visitInsn(Opcodes.RETURN);
                Label l7 = new Label();
                visitor.visitLabel(l7);
                visitor.visitLocalVariable("this", getClassEnhancer().getClassDescriptor(), null, startLabel, l7, 0);
                visitor.visitLocalVariable(argNames[0], EnhanceUtils.CD_Object, null, startLabel, l7, 1);
                visitor.visitLocalVariable("o", getNamer().getSingleFieldIdentityDescriptor(objectIdClass), null, l5, l7, 2);
                visitor.visitMaxs(3, 3);
            } else {
                // User-provided app identity, and compound identity
                // Put try-catch around the field setting (for reflection cases)
                Label l0 = new Label();
                Label l1 = new Label();
                Label l2 = new Label();
                visitor.visitTryCatchBlock(l0, l1, l2, "java/lang/Exception");
                Label startLabel = new Label();
                visitor.visitLabel(startLabel);
                visitor.visitVarInsn(Opcodes.ALOAD, 1);
                visitor.visitTypeInsn(Opcodes.INSTANCEOF, ACN_objectIdClass);
                Label l4 = new Label();
                visitor.visitJumpInsn(Opcodes.IFNE, l4);
                visitor.visitTypeInsn(Opcodes.NEW, "java/lang/ClassCastException");
                visitor.visitInsn(Opcodes.DUP);
                visitor.visitLdcInsn("key class is not " + objectIdClass + " or null");
                visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/ClassCastException", "<init>", "(Ljava/lang/String;)V");
                visitor.visitInsn(Opcodes.ATHROW);
                visitor.visitLabel(l4);
                visitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                visitor.visitVarInsn(Opcodes.ALOAD, 1);
                visitor.visitTypeInsn(Opcodes.CHECKCAST, ACN_objectIdClass);
                visitor.visitVarInsn(Opcodes.ASTORE, 2);
                visitor.visitLabel(l0);
                // Copy the PK members using the appropriate method for each field/property
                Label reflectionFieldStart = null;
                for (int i = 0; i < pkFieldNums.length; i++) {
                    AbstractMemberMetaData fmd = enhancer.getClassMetaData().getMetaDataForManagedMemberAtAbsolutePosition(pkFieldNums[i]);
                    String fieldTypeDesc = Type.getDescriptor(fmd.getType());
                    String fieldTypeName = fmd.getTypeName().replace('.', '/');
                    int pkFieldModifiers = ClassUtils.getModifiersForFieldOfClass(enhancer.getClassLoaderResolver(), objectIdClass, fmd.getName());
                    // Check if the PK field type is a PC (CompoundIdentity)
                    AbstractClassMetaData acmd = enhancer.getMetaDataManager().getMetaDataForClass(fmd.getType(), enhancer.getClassLoaderResolver());
                    if (acmd != null && acmd.getIdentityType() != IdentityType.NONDURABLE) {
                        // CompoundIdentity, this field of the PK is a PC
                        visitor.visitVarInsn(Opcodes.ALOAD, 0);
                        visitor.visitVarInsn(Opcodes.ALOAD, 0);
                        visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, getClassEnhancer().getASMClassName(), getNamer().getGetExecutionContextMethodName(), "()L" + getNamer().getExecutionContextAsmClassName() + ";");
                        visitor.visitVarInsn(Opcodes.ALOAD, 2);
                        // TODO Cater for property/private field cases
                        visitor.visitFieldInsn(Opcodes.GETFIELD, ACN_objectIdClass, fmd.getName(), "L" + acmd.getObjectidClass().replace('.', '/') + ";");
                        visitor.visitInsn(Opcodes.ICONST_0);
                        visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getExecutionContextAsmClassName(), "findObject", "(Ljava/lang/Object;Z)Ljava/lang/Object;");
                        visitor.visitTypeInsn(Opcodes.CHECKCAST, fieldTypeName);
                        if (fmd instanceof PropertyMetaData) {
                            // Persistent property so use dnSetXXX(...)
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, getClassEnhancer().getASMClassName(), getNamer().getSetMethodPrefixMethodName() + fmd.getName(), "(" + Type.getDescriptor(fmd.getType()) + ")V");
                        } else if (Modifier.isPublic(pkFieldModifiers)) {
                            // Persistent field that is public so use "xxx = ..."
                            visitor.visitFieldInsn(Opcodes.PUTFIELD, getClassEnhancer().getASMClassName(), fmd.getName(), Type.getDescriptor(fmd.getType()));
                        } else {
                            // Persistent field that is protected/private so use reflection
                            // TODO Use reflection rather than "xxx = ..."
                            visitor.visitFieldInsn(Opcodes.PUTFIELD, getClassEnhancer().getASMClassName(), fmd.getName(), Type.getDescriptor(fmd.getType()));
                        }
                    } else {
                        // Standard application-identity
                        if (fmd instanceof PropertyMetaData) {
                            // Field in PK is property, hence use getXXX in PK to access value
                            visitor.visitVarInsn(Opcodes.ALOAD, 0);
                            visitor.visitVarInsn(Opcodes.ALOAD, 2);
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, ACN_objectIdClass, ClassUtils.getJavaBeanGetterName(fmd.getName(), fmd.getTypeName().equals("boolean")), "()" + Type.getDescriptor(fmd.getType()));
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, getClassEnhancer().getASMClassName(), getNamer().getSetMethodPrefixMethodName() + fmd.getName(), "(" + Type.getDescriptor(fmd.getType()) + ")V");
                        } else if (Modifier.isPublic(pkFieldModifiers)) {
                            // Field in PK is public so access directly
                            visitor.visitVarInsn(Opcodes.ALOAD, 0);
                            visitor.visitVarInsn(Opcodes.ALOAD, 2);
                            visitor.visitFieldInsn(Opcodes.GETFIELD, ACN_objectIdClass, fmd.getName(), fieldTypeDesc);
                            visitor.visitFieldInsn(Opcodes.PUTFIELD, getClassEnhancer().getASMClassName(), fmd.getName(), fieldTypeDesc);
                        } else {
                            // Field in PK is protected/private so use reflection, generating
                            // "Field field = o.getClass().getDeclaredField("pmIDFloat");"
                            // "field.setAccessible(true);"
                            // "pmIDFloat = (Float) field.get(o);"
                            visitor.visitVarInsn(Opcodes.ALOAD, 2);
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;");
                            visitor.visitLdcInsn(fmd.getName());
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Class", "getDeclaredField", "(Ljava/lang/String;)Ljava/lang/reflect/Field;");
                            visitor.visitVarInsn(Opcodes.ASTORE, 3);
                            if (reflectionFieldStart == null) {
                                reflectionFieldStart = new Label();
                                visitor.visitLabel(reflectionFieldStart);
                            }
                            visitor.visitVarInsn(Opcodes.ALOAD, 3);
                            visitor.visitInsn(Opcodes.ICONST_1);
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setAccessible", "(Z)V");
                            visitor.visitVarInsn(Opcodes.ALOAD, 0);
                            visitor.visitVarInsn(Opcodes.ALOAD, 3);
                            visitor.visitVarInsn(Opcodes.ALOAD, 2);
                            if (fmd.getTypeName().equals("boolean")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "getBoolean", "(Ljava/lang/Object;)Z");
                            } else if (fmd.getTypeName().equals("byte")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "getByte", "(Ljava/lang/Object;)B");
                            } else if (fmd.getTypeName().equals("char")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "getChar", "(Ljava/lang/Object;)C");
                            } else if (fmd.getTypeName().equals("double")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "getDouble", "(Ljava/lang/Object;)D");
                            } else if (fmd.getTypeName().equals("float")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "getFloat", "(Ljava/lang/Object;)F");
                            } else if (fmd.getTypeName().equals("int")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "getInt", "(Ljava/lang/Object;)I");
                            } else if (fmd.getTypeName().equals("long")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "getLong", "(Ljava/lang/Object;)L");
                            } else if (fmd.getTypeName().equals("short")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "getShort", "(Ljava/lang/Object;)S");
                            } else if (fmd.getTypeName().equals("java.lang.String")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "get", "(Ljava/lang/Object;)Ljava/lang/Object;");
                                visitor.visitTypeInsn(Opcodes.CHECKCAST, "java/lang/String");
                            } else {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "get", "(Ljava/lang/Object;)Ljava/lang/Object;");
                                visitor.visitTypeInsn(Opcodes.CHECKCAST, fieldTypeName);
                            }
                            visitor.visitFieldInsn(Opcodes.PUTFIELD, getClassEnhancer().getASMClassName(), fmd.getName(), fieldTypeDesc);
                        }
                    }
                }
                // catch of the try-catch
                visitor.visitLabel(l1);
                Label l16 = new Label();
                visitor.visitJumpInsn(Opcodes.GOTO, l16);
                visitor.visitLabel(l2);
                visitor.visitFrame(Opcodes.F_FULL, 3, new Object[] { getClassEnhancer().getASMClassName(), "java/lang/Object", ACN_objectIdClass }, 1, new Object[] { "java/lang/Exception" });
                visitor.visitVarInsn(Opcodes.ASTORE, 3);
                visitor.visitLabel(l16);
                visitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                visitor.visitInsn(Opcodes.RETURN);
                Label endLabel = new Label();
                visitor.visitLabel(endLabel);
                visitor.visitLocalVariable("this", getClassEnhancer().getClassDescriptor(), null, startLabel, endLabel, 0);
                visitor.visitLocalVariable(argNames[0], EnhanceUtils.CD_Object, null, startLabel, endLabel, 1);
                visitor.visitLocalVariable("o", "L" + ACN_objectIdClass + ";", null, l0, endLabel, 2);
                if (reflectionFieldStart != null) {
                    visitor.visitLocalVariable("field", "Ljava/lang/reflect/Field;", null, reflectionFieldStart, l2, 3);
                    visitor.visitMaxs(3, 4);
                } else {
                    visitor.visitMaxs(3, 3);
                }
            }
        }
    } else {
        // datastore/nondurable identity
        Label startLabel = new Label();
        visitor.visitLabel(startLabel);
        visitor.visitInsn(Opcodes.RETURN);
        Label l1 = new Label();
        visitor.visitLabel(l1);
        visitor.visitLocalVariable("this", getClassEnhancer().getClassDescriptor(), null, startLabel, l1, 0);
        visitor.visitLocalVariable(argNames[0], EnhanceUtils.CD_Object, null, startLabel, l1, 1);
        visitor.visitMaxs(0, 2);
    }
    visitor.visitEnd();
}

Example 4 with ClassMetaData

use of org.datanucleus.metadata.ClassMetaData in project datanucleus-core by datanucleus.

the class CopyKeyFieldsToObjectId method execute.

/**
 * Method to add the contents of the class method.
 */
public void execute() {
    visitor.visitCode();
    ClassMetaData cmd = enhancer.getClassMetaData();
    if (cmd.getIdentityType() == IdentityType.APPLICATION) {
        // application identity
        if (!cmd.isInstantiable()) {
            // Application identity but mapped-superclass with no PK defined, so just "return"
            Label startLabel = new Label();
            visitor.visitLabel(startLabel);
            visitor.visitInsn(Opcodes.RETURN);
            Label endLabel = new Label();
            visitor.visitLabel(endLabel);
            visitor.visitLocalVariable("this", getClassEnhancer().getClassDescriptor(), null, startLabel, endLabel, 0);
            visitor.visitLocalVariable(argNames[0], EnhanceUtils.CD_Object, null, startLabel, endLabel, 1);
            visitor.visitMaxs(0, 2);
        } else {
            String objectIdClass = cmd.getObjectidClass();
            String ACN_objectIdClass = objectIdClass.replace('.', '/');
            if (IdentityUtils.isSingleFieldIdentityClass(objectIdClass)) {
                // SingleFieldIdentity
                Label startLabel = new Label();
                visitor.visitLabel(startLabel);
                visitor.visitTypeInsn(Opcodes.NEW, getNamer().getFatalInternalExceptionAsmClassName());
                visitor.visitInsn(Opcodes.DUP);
                visitor.visitLdcInsn("It's illegal to call dnCopyKeyFieldsToObjectId for a class with single-field identity.");
                visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, getNamer().getFatalInternalExceptionAsmClassName(), "<init>", "(Ljava/lang/String;)V");
                visitor.visitInsn(Opcodes.ATHROW);
                Label endLabel = new Label();
                visitor.visitLabel(endLabel);
                visitor.visitLocalVariable("this", getClassEnhancer().getClassDescriptor(), null, startLabel, endLabel, 0);
                visitor.visitLocalVariable(argNames[0], EnhanceUtils.CD_Object, null, startLabel, endLabel, 1);
                visitor.visitMaxs(3, 2);
            } else {
                // User-provided app identity, and compound identity
                // Put try-catch around the field setting (for reflection cases)
                Label l0 = new Label();
                Label l1 = new Label();
                Label l2 = new Label();
                visitor.visitTryCatchBlock(l0, l1, l2, "java/lang/Exception");
                Label startLabel = new Label();
                visitor.visitLabel(startLabel);
                visitor.visitVarInsn(Opcodes.ALOAD, 1);
                visitor.visitTypeInsn(Opcodes.INSTANCEOF, ACN_objectIdClass);
                Label l4 = new Label();
                visitor.visitJumpInsn(Opcodes.IFNE, l4);
                visitor.visitTypeInsn(Opcodes.NEW, "java/lang/ClassCastException");
                visitor.visitInsn(Opcodes.DUP);
                visitor.visitLdcInsn("key class is not " + objectIdClass + " or null");
                visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/ClassCastException", "<init>", "(Ljava/lang/String;)V");
                visitor.visitInsn(Opcodes.ATHROW);
                visitor.visitLabel(l4);
                visitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                visitor.visitVarInsn(Opcodes.ALOAD, 1);
                visitor.visitTypeInsn(Opcodes.CHECKCAST, ACN_objectIdClass);
                visitor.visitVarInsn(Opcodes.ASTORE, 2);
                visitor.visitLabel(l0);
                int[] pkFieldNums = enhancer.getClassMetaData().getPKMemberPositions();
                Label reflectionFieldStart = null;
                for (int i = 0; i < pkFieldNums.length; i++) {
                    AbstractMemberMetaData fmd = enhancer.getClassMetaData().getMetaDataForManagedMemberAtAbsolutePosition(pkFieldNums[i]);
                    String fieldTypeDesc = Type.getDescriptor(fmd.getType());
                    AbstractClassMetaData acmd = enhancer.getMetaDataManager().getMetaDataForClass(fmd.getType(), enhancer.getClassLoaderResolver());
                    int pkFieldModifiers = ClassUtils.getModifiersForFieldOfClass(enhancer.getClassLoaderResolver(), objectIdClass, fmd.getName());
                    // Check if the PK field type is a PC (CompoundIdentity)
                    if (acmd != null && acmd.getIdentityType() != IdentityType.NONDURABLE) {
                        // CompoundIdentity, this field of the PK is a PC
                        if (fmd instanceof PropertyMetaData) {
                            // Persistent Property so use o.setXXX((XXX.Key)JDOHelper.getObjectId(dnGetXXX()))
                            visitor.visitVarInsn(Opcodes.ALOAD, 2);
                            visitor.visitVarInsn(Opcodes.ALOAD, 0);
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, getClassEnhancer().getASMClassName(), getNamer().getGetMethodPrefixMethodName() + fmd.getName(), "()" + Type.getDescriptor(fmd.getType()));
                            // Note that we swap JDOHelper.getObjectId(obj) for ((Persistable)obj).dnGetObjectId())
                            visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getPersistableAsmClassName(), getNamer().getGetObjectIdMethodName(), "()Ljava/lang/Object;", true);
                            // visitor.visitMethodInsn(Opcodes.INVOKESTATIC, getNamer().getHelperAsmClassName(), "getObjectId", "(Ljava/lang/Object;)Ljava/lang/Object;");
                            visitor.visitTypeInsn(Opcodes.CHECKCAST, acmd.getObjectidClass().replace('.', '/'));
                            // TODO Use properties here
                            visitor.visitFieldInsn(Opcodes.PUTFIELD, ACN_objectIdClass, fmd.getName(), "L" + acmd.getObjectidClass().replace('.', '/') + ";");
                        } else if (Modifier.isPublic(pkFieldModifiers)) {
                            // Persistent Field public, so use o.xxx = (XXX.Key)JDOHelper.getObjectId(xxx);
                            visitor.visitVarInsn(Opcodes.ALOAD, 2);
                            visitor.visitVarInsn(Opcodes.ALOAD, 0);
                            visitor.visitFieldInsn(Opcodes.GETFIELD, getClassEnhancer().getASMClassName(), fmd.getName(), fieldTypeDesc);
                            // Note that we swap JDOHelper.getObjectId(obj) for ((Persistable)obj).dnGetObjectId())
                            visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getPersistableAsmClassName(), getNamer().getGetObjectIdMethodName(), "()Ljava/lang/Object;", true);
                            // visitor.visitMethodInsn(Opcodes.INVOKESTATIC, getNamer().getHelperAsmClassName(), "getObjectId", "(Ljava/lang/Object;)Ljava/lang/Object;");
                            visitor.visitTypeInsn(Opcodes.CHECKCAST, acmd.getObjectidClass().replace('.', '/'));
                            visitor.visitFieldInsn(Opcodes.PUTFIELD, ACN_objectIdClass, fmd.getName(), "L" + acmd.getObjectidClass().replace('.', '/') + ";");
                        } else {
                            // Persistent Field private/protected so use reflection
                            // TODO Use reflection here
                            visitor.visitVarInsn(Opcodes.ALOAD, 2);
                            visitor.visitVarInsn(Opcodes.ALOAD, 0);
                            visitor.visitFieldInsn(Opcodes.GETFIELD, getClassEnhancer().getASMClassName(), fmd.getName(), fieldTypeDesc);
                            // Note that we swap JDOHelper.getObjectId(obj) for ((Persistable)obj).dnGetObjectId())
                            visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getPersistableAsmClassName(), getNamer().getGetObjectIdMethodName(), "()Ljava/lang/Object;", true);
                            // visitor.visitMethodInsn(Opcodes.INVOKESTATIC, getNamer().getHelperAsmClassName(), "getObjectId", "(Ljava/lang/Object;)Ljava/lang/Object;");
                            visitor.visitTypeInsn(Opcodes.CHECKCAST, acmd.getObjectidClass().replace('.', '/'));
                            // TODO Use reflection here
                            visitor.visitFieldInsn(Opcodes.PUTFIELD, ACN_objectIdClass, fmd.getName(), "L" + acmd.getObjectidClass().replace('.', '/') + ";");
                        }
                    } else {
                        // Standard application-identity field
                        if (fmd instanceof PropertyMetaData) {
                            // Persistent Property so use o.setXXX(dnGetXXX())
                            visitor.visitVarInsn(Opcodes.ALOAD, 2);
                            visitor.visitVarInsn(Opcodes.ALOAD, 0);
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, getClassEnhancer().getASMClassName(), getNamer().getGetMethodPrefixMethodName() + fmd.getName(), "()" + Type.getDescriptor(fmd.getType()));
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, ACN_objectIdClass, ClassUtils.getJavaBeanSetterName(fmd.getName()), "(" + fieldTypeDesc + ")V");
                        } else if (Modifier.isPublic(pkFieldModifiers)) {
                            // Persistent Field public, so use o.xxx = xxx
                            visitor.visitVarInsn(Opcodes.ALOAD, 2);
                            visitor.visitVarInsn(Opcodes.ALOAD, 0);
                            visitor.visitFieldInsn(Opcodes.GETFIELD, getClassEnhancer().getASMClassName(), fmd.getName(), fieldTypeDesc);
                            visitor.visitFieldInsn(Opcodes.PUTFIELD, ACN_objectIdClass, fmd.getName(), fieldTypeDesc);
                        } else {
                            // Persistent Field private/protected so use reflection, generating
                            // "Field field = o.getClass().getDeclaredField("pmIDFloat");"
                            // "field.setAccessible(true);"
                            // "field.set(o, pmIDFloat);"
                            visitor.visitVarInsn(Opcodes.ALOAD, 2);
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;");
                            visitor.visitLdcInsn(fmd.getName());
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Class", "getDeclaredField", "(Ljava/lang/String;)Ljava/lang/reflect/Field;");
                            visitor.visitVarInsn(Opcodes.ASTORE, 3);
                            if (reflectionFieldStart == null) {
                                reflectionFieldStart = new Label();
                                visitor.visitLabel(reflectionFieldStart);
                            }
                            visitor.visitVarInsn(Opcodes.ALOAD, 3);
                            visitor.visitInsn(Opcodes.ICONST_1);
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setAccessible", "(Z)V");
                            visitor.visitVarInsn(Opcodes.ALOAD, 3);
                            visitor.visitVarInsn(Opcodes.ALOAD, 2);
                            visitor.visitVarInsn(Opcodes.ALOAD, 0);
                            visitor.visitFieldInsn(Opcodes.GETFIELD, getClassEnhancer().getASMClassName(), fmd.getName(), fieldTypeDesc);
                            if (fmd.getTypeName().equals("boolean")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setBoolean", "(Ljava/lang/Object;Z)V");
                            } else if (fmd.getTypeName().equals("byte")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setByte", "(Ljava/lang/Object;B)V");
                            } else if (fmd.getTypeName().equals("char")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setChar", "(Ljava/lang/Object;C)V");
                            } else if (fmd.getTypeName().equals("double")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setDouble", "(Ljava/lang/Object;D)V");
                            } else if (fmd.getTypeName().equals("float")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setFloat", "(Ljava/lang/Object;F)V");
                            } else if (fmd.getTypeName().equals("int")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setInt", "(Ljava/lang/Object;I)V");
                            } else if (fmd.getTypeName().equals("long")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setLong", "(Ljava/lang/Object;J)V");
                            } else if (fmd.getTypeName().equals("short")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setShort", "(Ljava/lang/Object;S)V");
                            } else {
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "set", "(Ljava/lang/Object;Ljava/lang/Object;)V");
                            }
                        }
                    }
                }
                // catch of the try-catch
                visitor.visitLabel(l1);
                Label l16 = new Label();
                visitor.visitJumpInsn(Opcodes.GOTO, l16);
                visitor.visitLabel(l2);
                visitor.visitFrame(Opcodes.F_FULL, 3, new Object[] { getClassEnhancer().getASMClassName(), "java/lang/Object", ACN_objectIdClass }, 1, new Object[] { "java/lang/Exception" });
                visitor.visitVarInsn(Opcodes.ASTORE, 3);
                visitor.visitLabel(l16);
                visitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                visitor.visitInsn(Opcodes.RETURN);
                Label endLabel = new Label();
                visitor.visitLabel(endLabel);
                visitor.visitLocalVariable("this", getClassEnhancer().getClassDescriptor(), null, startLabel, endLabel, 0);
                visitor.visitLocalVariable(argNames[0], EnhanceUtils.CD_Object, null, startLabel, endLabel, 1);
                visitor.visitLocalVariable("o", "L" + ACN_objectIdClass + ";", null, l0, endLabel, 2);
                if (reflectionFieldStart != null) {
                    visitor.visitLocalVariable("field", "Ljava/lang/reflect/Field;", null, reflectionFieldStart, l2, 3);
                    visitor.visitMaxs(3, 4);
                } else {
                    visitor.visitMaxs(3, 3);
                }
            }
        }
    } else {
        // datastore/nondurable identity
        Label startLabel = new Label();
        visitor.visitLabel(startLabel);
        visitor.visitInsn(Opcodes.RETURN);
        Label l1 = new Label();
        visitor.visitLabel(l1);
        visitor.visitLocalVariable("this", getClassEnhancer().getClassDescriptor(), null, startLabel, l1, 0);
        visitor.visitLocalVariable(argNames[0], EnhanceUtils.CD_Object, null, startLabel, l1, 1);
        visitor.visitMaxs(0, 2);
    }
    visitor.visitEnd();
}

Example 5 with ClassMetaData

use of org.datanucleus.metadata.ClassMetaData in project datanucleus-core by datanucleus.

the class CopyKeyFieldsToObjectId2 method execute.

/**
 * Method to add the contents of the class method.
 */
public void execute() {
    visitor.visitCode();
    ClassMetaData cmd = enhancer.getClassMetaData();
    if (cmd.getIdentityType() == IdentityType.APPLICATION) {
        // application identity
        if (!cmd.isInstantiable()) {
            // Application identity but mapped-superclass with no PK defined, so just "return"
            Label startLabel = new Label();
            visitor.visitLabel(startLabel);
            visitor.visitInsn(Opcodes.RETURN);
            Label endLabel = new Label();
            visitor.visitLabel(endLabel);
            visitor.visitLocalVariable("this", getClassEnhancer().getClassDescriptor(), null, startLabel, endLabel, 0);
            visitor.visitLocalVariable(argNames[0], getNamer().getObjectIdFieldSupplierDescriptor(), null, startLabel, endLabel, 1);
            visitor.visitLocalVariable(argNames[1], EnhanceUtils.CD_Object, null, startLabel, endLabel, 2);
            visitor.visitMaxs(0, 3);
        } else {
            String objectIdClass = cmd.getObjectidClass();
            String ACN_objectIdClass = objectIdClass.replace('.', '/');
            if (IdentityUtils.isSingleFieldIdentityClass(objectIdClass)) {
                // SingleFieldIdentity
                Label startLabel = new Label();
                visitor.visitLabel(startLabel);
                visitor.visitTypeInsn(Opcodes.NEW, getNamer().getFatalInternalExceptionAsmClassName());
                visitor.visitInsn(Opcodes.DUP);
                visitor.visitLdcInsn("It's illegal to call dnCopyKeyFieldsToObjectId for a class with single-field identity.");
                visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, getNamer().getFatalInternalExceptionAsmClassName(), "<init>", "(Ljava/lang/String;)V");
                visitor.visitInsn(Opcodes.ATHROW);
                Label endLabel = new Label();
                visitor.visitLabel(endLabel);
                visitor.visitLocalVariable("this", getClassEnhancer().getClassDescriptor(), null, startLabel, endLabel, 0);
                visitor.visitLocalVariable(argNames[0], EnhanceUtils.CD_Object, null, startLabel, endLabel, 1);
                visitor.visitLocalVariable("paramObject", "Ljava/lang/Object;", null, startLabel, endLabel, 2);
                visitor.visitMaxs(3, 3);
            } else {
                // User-provided app identity, and compound identity
                Label l0 = new Label();
                Label l1 = new Label();
                Label l2 = new Label();
                visitor.visitTryCatchBlock(l0, l1, l2, "java/lang/Exception");
                Label startLabel = new Label();
                visitor.visitLabel(startLabel);
                visitor.visitVarInsn(Opcodes.ALOAD, 1);
                Label l4 = new Label();
                visitor.visitJumpInsn(Opcodes.IFNONNULL, l4);
                visitor.visitTypeInsn(Opcodes.NEW, "java/lang/IllegalArgumentException");
                visitor.visitInsn(Opcodes.DUP);
                visitor.visitLdcInsn("ObjectIdFieldSupplier is null");
                visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/IllegalArgumentException", "<init>", "(Ljava/lang/String;)V");
                visitor.visitInsn(Opcodes.ATHROW);
                visitor.visitLabel(l4);
                visitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                visitor.visitVarInsn(Opcodes.ALOAD, 2);
                visitor.visitTypeInsn(Opcodes.INSTANCEOF, ACN_objectIdClass);
                Label l5 = new Label();
                visitor.visitJumpInsn(Opcodes.IFNE, l5);
                visitor.visitTypeInsn(Opcodes.NEW, "java/lang/ClassCastException");
                visitor.visitInsn(Opcodes.DUP);
                visitor.visitLdcInsn("oid is not instanceof " + objectIdClass);
                visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/ClassCastException", "<init>", "(Ljava/lang/String;)V");
                visitor.visitInsn(Opcodes.ATHROW);
                visitor.visitLabel(l5);
                visitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                visitor.visitVarInsn(Opcodes.ALOAD, 2);
                visitor.visitTypeInsn(Opcodes.CHECKCAST, ACN_objectIdClass);
                visitor.visitVarInsn(Opcodes.ASTORE, 3);
                visitor.visitLabel(l0);
                // Copy the PK members using the appropriate method for each field/property
                int[] pkFieldNums = enhancer.getClassMetaData().getPKMemberPositions();
                Label reflectionFieldStart = null;
                for (int i = 0; i < pkFieldNums.length; i++) {
                    AbstractMemberMetaData fmd = enhancer.getClassMetaData().getMetaDataForManagedMemberAtAbsolutePosition(pkFieldNums[i]);
                    String fieldTypeDesc = Type.getDescriptor(fmd.getType());
                    String typeMethodName = EnhanceUtils.getTypeNameForPersistableMethod(fmd.getType());
                    int pkFieldModifiers = ClassUtils.getModifiersForFieldOfClass(enhancer.getClassLoaderResolver(), objectIdClass, fmd.getName());
                    // Check if the PK field type is a PC (CompoundIdentity)
                    AbstractClassMetaData acmd = enhancer.getMetaDataManager().getMetaDataForClass(fmd.getType(), enhancer.getClassLoaderResolver());
                    if (acmd != null && acmd.getIdentityType() != IdentityType.NONDURABLE) {
                        // CompoundIdentity, this field of the PK is a PC
                        visitor.visitVarInsn(Opcodes.ALOAD, 3);
                        visitor.visitVarInsn(Opcodes.ALOAD, 1);
                        EnhanceUtils.addBIPUSHToMethod(visitor, fmd.getFieldId());
                        visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getObjectIdFieldSupplierAsmClassName(), "fetch" + typeMethodName + "Field", "(I)" + EnhanceUtils.getTypeDescriptorForEnhanceMethod(fmd.getType()));
                        if (typeMethodName.equals("Object")) {
                            visitor.visitTypeInsn(Opcodes.CHECKCAST, fmd.getTypeName().replace('.', '/'));
                        }
                        // Note that we swap JDOHelper.getObjectId(obj) for ((Persistable)obj).dnGetObjectId())
                        visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getPersistableAsmClassName(), getNamer().getGetObjectIdMethodName(), "()Ljava/lang/Object;", true);
                        // visitor.visitMethodInsn(Opcodes.INVOKESTATIC, getNamer().getHelperAsmClassName(), "getObjectId", "(Ljava/lang/Object;)Ljava/lang/Object;");
                        visitor.visitTypeInsn(Opcodes.CHECKCAST, acmd.getObjectidClass().replace('.', '/'));
                        // TODO Cater for property, and private field cases
                        visitor.visitFieldInsn(Opcodes.PUTFIELD, ACN_objectIdClass, fmd.getName(), "L" + acmd.getObjectidClass().replace('.', '/') + ";");
                    } else {
                        // Standard application-identity
                        if (fmd instanceof PropertyMetaData) {
                            // Field in PK is property, hence use setXXX in PK
                            visitor.visitVarInsn(Opcodes.ALOAD, 3);
                            visitor.visitVarInsn(Opcodes.ALOAD, 1);
                            EnhanceUtils.addBIPUSHToMethod(visitor, fmd.getFieldId());
                            visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getObjectIdFieldSupplierAsmClassName(), "fetch" + typeMethodName + "Field", "(I)" + EnhanceUtils.getTypeDescriptorForEnhanceMethod(fmd.getType()));
                            if (typeMethodName.equals("Object")) {
                                visitor.visitTypeInsn(Opcodes.CHECKCAST, fmd.getTypeName().replace('.', '/'));
                            }
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, ACN_objectIdClass, ClassUtils.getJavaBeanSetterName(fmd.getName()), "(" + fieldTypeDesc + ")V");
                        } else if (Modifier.isPublic(pkFieldModifiers)) {
                            // Field in PK is public so update directly
                            visitor.visitVarInsn(Opcodes.ALOAD, 3);
                            visitor.visitVarInsn(Opcodes.ALOAD, 1);
                            EnhanceUtils.addBIPUSHToMethod(visitor, fmd.getFieldId());
                            visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getObjectIdFieldSupplierAsmClassName(), "fetch" + typeMethodName + "Field", "(I)" + EnhanceUtils.getTypeDescriptorForEnhanceMethod(fmd.getType()));
                            if (typeMethodName.equals("Object")) {
                                visitor.visitTypeInsn(Opcodes.CHECKCAST, fmd.getTypeName().replace('.', '/'));
                            }
                            visitor.visitFieldInsn(Opcodes.PUTFIELD, ACN_objectIdClass, fmd.getName(), fieldTypeDesc);
                        } else {
                            // Field in PK is protected/private so use reflection, generating
                            // "Field field = o.getClass().getDeclaredField("pmIDFloat");"
                            // "field.setAccessible(true);"
                            // "field.set(o, fs.fetchObjectField(1));"
                            visitor.visitVarInsn(Opcodes.ALOAD, 3);
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;");
                            visitor.visitLdcInsn(fmd.getName());
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Class", "getDeclaredField", "(Ljava/lang/String;)Ljava/lang/reflect/Field;");
                            visitor.visitVarInsn(Opcodes.ASTORE, 4);
                            if (reflectionFieldStart == null) {
                                reflectionFieldStart = new Label();
                                visitor.visitLabel(reflectionFieldStart);
                            }
                            visitor.visitVarInsn(Opcodes.ALOAD, 4);
                            visitor.visitInsn(Opcodes.ICONST_1);
                            visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setAccessible", "(Z)V");
                            visitor.visitVarInsn(Opcodes.ALOAD, 4);
                            visitor.visitVarInsn(Opcodes.ALOAD, 3);
                            visitor.visitVarInsn(Opcodes.ALOAD, 1);
                            EnhanceUtils.addBIPUSHToMethod(visitor, fmd.getFieldId());
                            if (fmd.getTypeName().equals("boolean")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getObjectIdFieldSupplierAsmClassName(), "fetchBooleanField", "(I)Z");
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setBoolean", "(Ljava/lang/Object;Z)V");
                            } else if (fmd.getTypeName().equals("byte")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getObjectIdFieldSupplierAsmClassName(), "fetchByteField", "(I)B");
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setByte", "(Ljava/lang/Object;B)V");
                            } else if (fmd.getTypeName().equals("char")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getObjectIdFieldSupplierAsmClassName(), "fetchCharField", "(I)C");
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setChar", "(Ljava/lang/Object;C)V");
                            } else if (fmd.getTypeName().equals("double")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getObjectIdFieldSupplierAsmClassName(), "fetchDoubleField", "(I)D");
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setDouble", "(Ljava/lang/Object;D)V");
                            } else if (fmd.getTypeName().equals("float")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getObjectIdFieldSupplierAsmClassName(), "fetchFloatField", "(I)F");
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setFloat", "(Ljava/lang/Object;F)V");
                            } else if (fmd.getTypeName().equals("int")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getObjectIdFieldSupplierAsmClassName(), "fetchIntField", "(I)I");
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setInt", "(Ljava/lang/Object;I)V");
                            } else if (fmd.getTypeName().equals("long")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getObjectIdFieldSupplierAsmClassName(), "fetchLongField", "(I)J");
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setLong", "(Ljava/lang/Object;J)V");
                            } else if (fmd.getTypeName().equals("short")) {
                                visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getObjectIdFieldSupplierAsmClassName(), "fetchShortField", "(I)S");
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "setShort", "(Ljava/lang/Object;S)V");
                            } else {
                                visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, getNamer().getObjectIdFieldSupplierAsmClassName(), "fetchObjectField", "(I)Ljava/lang/Object;");
                                visitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Field", "set", "(Ljava/lang/Object;Ljava/lang/Object;)V");
                            }
                        }
                    }
                }
                visitor.visitLabel(l1);
                Label l20 = new Label();
                visitor.visitJumpInsn(Opcodes.GOTO, l20);
                visitor.visitLabel(l2);
                visitor.visitFrame(Opcodes.F_FULL, 4, new Object[] { getClassEnhancer().getASMClassName(), getClassEnhancer().getNamer().getObjectIdFieldSupplierAsmClassName(), "java/lang/Object", ACN_objectIdClass }, 1, new Object[] { "java/lang/Exception" });
                visitor.visitVarInsn(Opcodes.ASTORE, 4);
                visitor.visitLabel(l20);
                visitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                visitor.visitInsn(Opcodes.RETURN);
                Label endLabel = new Label();
                visitor.visitLabel(endLabel);
                visitor.visitLocalVariable("this", getClassEnhancer().getClassDescriptor(), null, startLabel, endLabel, 0);
                visitor.visitLocalVariable(argNames[0], getNamer().getObjectIdFieldSupplierDescriptor(), null, startLabel, endLabel, 1);
                visitor.visitLocalVariable(argNames[1], EnhanceUtils.CD_Object, null, startLabel, endLabel, 2);
                visitor.visitLocalVariable("o", "L" + ACN_objectIdClass + ";", null, l0, endLabel, 3);
                if (reflectionFieldStart != null) {
                    visitor.visitLocalVariable("field", "Ljava/lang/reflect/Field;", null, reflectionFieldStart, l2, 4);
                    visitor.visitMaxs(4, 5);
                } else {
                    visitor.visitMaxs(3, 4);
                }
            }
        }
    } else {
        // datastore/nondurable identity
        Label startLabel = new Label();
        visitor.visitLabel(startLabel);
        visitor.visitInsn(Opcodes.RETURN);
        Label endLabel = new Label();
        visitor.visitLabel(endLabel);
        visitor.visitLocalVariable("this", getClassEnhancer().getClassDescriptor(), null, startLabel, endLabel, 0);
        visitor.visitLocalVariable(argNames[0], "L" + getNamer().getObjectIdFieldSupplierAsmClassName() + ";", null, startLabel, endLabel, 1);
        visitor.visitLocalVariable(argNames[1], EnhanceUtils.CD_Object, null, startLabel, endLabel, 2);
        visitor.visitMaxs(0, 3);
    }
    visitor.visitEnd();
}