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

Example 61 with AbstractClassMetaData

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

the class EnhancerPropertyGetterAdapter method generateGetXXXMethod.

/**
 * Convenience method to use the MethodVisitor to generate the code for the method getXXX() for the property with the specified MetaData.
 * @param mv MethodVisitor
 * @param mmd MetaData for the property
 * @param asmClassName ASM class name for the owning class
 * @param asmClassDesc ASM descriptor for the owning class
 * @param detachListener true if the generate code must support DetachListener
 * @param namer Namer for methods etc
 */
public static void generateGetXXXMethod(MethodVisitor mv, AbstractMemberMetaData mmd, String asmClassName, String asmClassDesc, boolean detachListener, EnhancementNamer namer) {
    String[] argNames = new String[] { "this" };
    String fieldTypeDesc = Type.getDescriptor(mmd.getType());
    mv.visitCode();
    AbstractClassMetaData cmd = mmd.getAbstractClassMetaData();
    if ((mmd.getPersistenceFlags() & Persistable.MEDIATE_READ) == Persistable.MEDIATE_READ) {
        // MEDIATE_READ - see method GetViaMediate
        Label startLabel = new Label();
        mv.visitLabel(startLabel);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getStateManagerFieldName(), "L" + namer.getStateManagerAsmClassName() + ";");
        Label l1 = new Label();
        mv.visitJumpInsn(Opcodes.IFNULL, l1);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getStateManagerFieldName(), "L" + namer.getStateManagerAsmClassName() + ";");
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        EnhanceUtils.addBIPUSHToMethod(mv, mmd.getFieldId());
        if (cmd.getPersistableSuperclass() != null) {
            mv.visitFieldInsn(Opcodes.GETSTATIC, asmClassName, namer.getInheritedFieldCountFieldName(), "I");
            mv.visitInsn(Opcodes.IADD);
        }
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, namer.getStateManagerAsmClassName(), "isLoaded", "(L" + namer.getPersistableAsmClassName() + ";I)Z");
        mv.visitJumpInsn(Opcodes.IFNE, l1);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getStateManagerFieldName(), "L" + namer.getStateManagerAsmClassName() + ";");
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        EnhanceUtils.addBIPUSHToMethod(mv, mmd.getFieldId());
        if (cmd.getPersistableSuperclass() != null) {
            mv.visitFieldInsn(Opcodes.GETSTATIC, asmClassName, namer.getInheritedFieldCountFieldName(), "I");
            mv.visitInsn(Opcodes.IADD);
        }
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getGetMethodPrefixMethodName() + mmd.getName(), "()" + fieldTypeDesc);
        String methodName = "get" + EnhanceUtils.getTypeNameForPersistableMethod(mmd.getType()) + "Field";
        String argTypeDesc = fieldTypeDesc;
        if (methodName.equals("getObjectField")) {
            argTypeDesc = EnhanceUtils.CD_Object;
        }
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, namer.getStateManagerAsmClassName(), methodName, "(L" + namer.getPersistableAsmClassName() + ";I" + argTypeDesc + ")" + argTypeDesc);
        if (methodName.equals("getObjectField")) {
            // Cast any object fields to the correct type
            mv.visitTypeInsn(Opcodes.CHECKCAST, mmd.getTypeName().replace('.', '/'));
        }
        EnhanceUtils.addReturnForType(mv, mmd.getType());
        mv.visitLabel(l1);
        mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        if (cmd.isDetachable()) {
            // "if (objPC.dnIsDetached() != false && ((BitSet) objPC.dnDetachedState[2]).get(5) != true)"
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getIsDetachedMethodName(), "()Z");
            Label l4 = new Label();
            mv.visitJumpInsn(Opcodes.IFEQ, l4);
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getDetachedStateFieldName(), "[Ljava/lang/Object;");
            mv.visitInsn(Opcodes.ICONST_2);
            mv.visitInsn(Opcodes.AALOAD);
            mv.visitTypeInsn(Opcodes.CHECKCAST, "java/util/BitSet");
            EnhanceUtils.addBIPUSHToMethod(mv, mmd.getFieldId());
            if (cmd.getPersistableSuperclass() != null) {
                mv.visitFieldInsn(Opcodes.GETSTATIC, asmClassName, namer.getInheritedFieldCountFieldName(), "I");
                mv.visitInsn(Opcodes.IADD);
            }
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/BitSet", "get", "(I)Z");
            mv.visitJumpInsn(Opcodes.IFNE, l4);
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getDetachedStateFieldName(), "[Ljava/lang/Object;");
            mv.visitInsn(Opcodes.ICONST_3);
            mv.visitInsn(Opcodes.AALOAD);
            mv.visitTypeInsn(Opcodes.CHECKCAST, "java/util/BitSet");
            EnhanceUtils.addBIPUSHToMethod(mv, mmd.getFieldId());
            if (cmd.getPersistableSuperclass() != null) {
                mv.visitFieldInsn(Opcodes.GETSTATIC, asmClassName, namer.getInheritedFieldCountFieldName(), "I");
                mv.visitInsn(Opcodes.IADD);
            }
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/BitSet", "get", "(I)Z");
            mv.visitJumpInsn(Opcodes.IFNE, l4);
            if (detachListener) {
                mv.visitMethodInsn(Opcodes.INVOKESTATIC, namer.getDetachListenerAsmClassName(), "getInstance", "()L" + namer.getDetachListenerAsmClassName() + ";");
                mv.visitVarInsn(Opcodes.ALOAD, 0);
                mv.visitLdcInsn(mmd.getName());
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, namer.getDetachListenerAsmClassName(), "undetachedFieldAccess", "(Ljava/lang/Object;Ljava/lang/String;)V");
            } else {
                // "throw new JDODetachedFieldAccessException(...)"
                mv.visitTypeInsn(Opcodes.NEW, namer.getDetachedFieldAccessExceptionAsmClassName());
                mv.visitInsn(Opcodes.DUP);
                mv.visitLdcInsn(Localiser.msg("005026", mmd.getName()));
                mv.visitMethodInsn(Opcodes.INVOKESPECIAL, namer.getDetachedFieldAccessExceptionAsmClassName(), "<init>", "(Ljava/lang/String;)V");
                mv.visitInsn(Opcodes.ATHROW);
            }
            mv.visitLabel(l4);
            mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        }
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getGetMethodPrefixMethodName() + mmd.getName(), "()" + fieldTypeDesc);
        EnhanceUtils.addReturnForType(mv, mmd.getType());
        Label endLabel = new Label();
        mv.visitLabel(endLabel);
        mv.visitLocalVariable(argNames[0], asmClassDesc, null, startLabel, endLabel, 0);
        mv.visitMaxs(4, 1);
    } else if ((mmd.getPersistenceFlags() & Persistable.CHECK_READ) == Persistable.CHECK_READ) {
        // CHECK_READ - see method GetViaCheck
        Label startLabel = new Label();
        mv.visitLabel(startLabel);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getFlagsFieldName(), "B");
        Label l1 = new Label();
        mv.visitJumpInsn(Opcodes.IFLE, l1);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getStateManagerFieldName(), "L" + namer.getStateManagerAsmClassName() + ";");
        mv.visitJumpInsn(Opcodes.IFNULL, l1);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getStateManagerFieldName(), "L" + namer.getStateManagerAsmClassName() + ";");
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        EnhanceUtils.addBIPUSHToMethod(mv, mmd.getFieldId());
        if (cmd.getPersistableSuperclass() != null) {
            mv.visitFieldInsn(Opcodes.GETSTATIC, asmClassName, namer.getInheritedFieldCountFieldName(), "I");
            mv.visitInsn(Opcodes.IADD);
        }
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, namer.getStateManagerAsmClassName(), "isLoaded", "(L" + namer.getPersistableAsmClassName() + ";I)Z");
        mv.visitJumpInsn(Opcodes.IFNE, l1);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getStateManagerFieldName(), "L" + namer.getStateManagerAsmClassName() + ";");
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        EnhanceUtils.addBIPUSHToMethod(mv, mmd.getFieldId());
        if (cmd.getPersistableSuperclass() != null) {
            mv.visitFieldInsn(Opcodes.GETSTATIC, asmClassName, namer.getInheritedFieldCountFieldName(), "I");
            mv.visitInsn(Opcodes.IADD);
        }
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getGetMethodPrefixMethodName() + mmd.getName(), "()" + fieldTypeDesc);
        String methodName = "get" + EnhanceUtils.getTypeNameForPersistableMethod(mmd.getType()) + "Field";
        String argTypeDesc = fieldTypeDesc;
        if (methodName.equals("getObjectField")) {
            argTypeDesc = EnhanceUtils.CD_Object;
        }
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, namer.getStateManagerAsmClassName(), methodName, "(L" + namer.getPersistableAsmClassName() + ";I" + argTypeDesc + ")" + argTypeDesc);
        if (methodName.equals("getObjectField")) {
            // Cast any object fields to the correct type
            mv.visitTypeInsn(Opcodes.CHECKCAST, mmd.getTypeName().replace('.', '/'));
        }
        EnhanceUtils.addReturnForType(mv, mmd.getType());
        mv.visitLabel(l1);
        mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        if (cmd.isDetachable()) {
            // "if (objPC.dnIsDetached() != false && ((BitSet) objPC.dnDetachedState[2]).get(5) != true)"
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getIsDetachedMethodName(), "()Z");
            Label l4 = new Label();
            mv.visitJumpInsn(Opcodes.IFEQ, l4);
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getDetachedStateFieldName(), "[Ljava/lang/Object;");
            mv.visitInsn(Opcodes.ICONST_2);
            mv.visitInsn(Opcodes.AALOAD);
            mv.visitTypeInsn(Opcodes.CHECKCAST, "java/util/BitSet");
            EnhanceUtils.addBIPUSHToMethod(mv, mmd.getFieldId());
            if (cmd.getPersistableSuperclass() != null) {
                mv.visitFieldInsn(Opcodes.GETSTATIC, asmClassName, namer.getInheritedFieldCountFieldName(), "I");
                mv.visitInsn(Opcodes.IADD);
            }
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/BitSet", "get", "(I)Z");
            mv.visitJumpInsn(Opcodes.IFNE, l4);
            if (detachListener) {
                mv.visitMethodInsn(Opcodes.INVOKESTATIC, namer.getDetachListenerAsmClassName(), "getInstance", "()L" + namer.getDetachListenerAsmClassName() + ";");
                mv.visitVarInsn(Opcodes.ALOAD, 0);
                mv.visitLdcInsn(mmd.getName());
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, namer.getDetachListenerAsmClassName(), "undetachedFieldAccess", "(Ljava/lang/Object;Ljava/lang/String;)V");
            } else {
                // "throw new JDODetachedFieldAccessException(...)"
                mv.visitTypeInsn(Opcodes.NEW, namer.getDetachedFieldAccessExceptionAsmClassName());
                mv.visitInsn(Opcodes.DUP);
                mv.visitLdcInsn(Localiser.msg("005026", mmd.getName()));
                mv.visitMethodInsn(Opcodes.INVOKESPECIAL, namer.getDetachedFieldAccessExceptionAsmClassName(), "<init>", "(Ljava/lang/String;)V");
                mv.visitInsn(Opcodes.ATHROW);
            }
            mv.visitLabel(l4);
            mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        }
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getGetMethodPrefixMethodName() + mmd.getName(), "()" + fieldTypeDesc);
        EnhanceUtils.addReturnForType(mv, mmd.getType());
        Label endLabel = new Label();
        mv.visitLabel(endLabel);
        mv.visitLocalVariable(argNames[0], asmClassDesc, null, startLabel, endLabel, 0);
        mv.visitMaxs(4, 1);
    } else {
        // NORMAL - see method GetNormal
        Label startLabel = new Label();
        mv.visitLabel(startLabel);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getGetMethodPrefixMethodName() + mmd.getName(), "()" + fieldTypeDesc);
        EnhanceUtils.addReturnForType(mv, mmd.getType());
        Label endLabel = new Label();
        mv.visitLabel(endLabel);
        mv.visitLocalVariable(argNames[0], asmClassDesc, null, startLabel, endLabel, 0);
        mv.visitMaxs(1, 1);
    }
    mv.visitEnd();
}

Example 62 with AbstractClassMetaData

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

the class EnhancerPropertyGetterAdapter method visitMethodInsn.

public void visitMethodInsn(int opcode, String owner, String name, String desc, boolean itf) {
    if (mmd instanceof PropertyMetaData) {
        // Check for any calls to getters/setters of properties that are from superclass(es)
        String ownerClassName = owner.replace('/', '.');
        AbstractClassMetaData cmd = enhancer.getClassMetaData();
        if (!enhancer.getASMClassName().equals(owner)) {
            String propName = ClassUtils.getFieldNameForJavaBeanGetter(name);
            if (propName != null) {
                boolean callingOverriddenSuperclassMethod = false;
                while (cmd.getSuperAbstractClassMetaData() != null) {
                    cmd = cmd.getSuperAbstractClassMetaData();
                    if (cmd.getFullClassName().equals(ownerClassName)) {
                        AbstractMemberMetaData theMmd = cmd.getMetaDataForMember(mmd.getName());
                        if (theMmd != null) {
                            callingOverriddenSuperclassMethod = true;
                            break;
                        }
                    }
                }
                if (callingOverriddenSuperclassMethod) {
                    // Call dnGet{propName} in owner instead of "get{propName}"
                    String redirectMethodName = enhancer.getNamer().getGetMethodPrefixMethodName() + propName;
                    visitor.visitMethodInsn(opcode, owner, redirectMethodName, desc, itf);
                    return;
                }
            }
        }
    }
    visitor.visitMethodInsn(opcode, owner, name, desc, itf);
}

Example 63 with AbstractClassMetaData

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

the class EnhancerPropertySetterAdapter method generateSetXXXMethod.

/**
 * Convenience method to use the MethodVisitor to generate the code for the method setXXX() for the property with the specified MetaData.
 * @param mv MethodVisitor
 * @param mmd MetaData for the property
 * @param asmClassName ASM class name for the owning class
 * @param asmClassDesc ASM descriptor for the owning class
 * @param namer Namer for methods etc
 */
public static void generateSetXXXMethod(MethodVisitor mv, AbstractMemberMetaData mmd, String asmClassName, String asmClassDesc, EnhancementNamer namer) {
    String[] argNames = new String[] { "this", "val" };
    String fieldTypeDesc = Type.getDescriptor(mmd.getType());
    mv.visitCode();
    AbstractClassMetaData cmd = mmd.getAbstractClassMetaData();
    if ((mmd.getPersistenceFlags() & Persistable.MEDIATE_WRITE) == Persistable.MEDIATE_WRITE) {
        // MEDIATE_WRITE - see method SetViaMediate
        Label startLabel = new Label();
        mv.visitLabel(startLabel);
        // "if (objPC.dnStateManager == null) objPC.ZZZ = zzz;"
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getStateManagerFieldName(), "L" + namer.getStateManagerAsmClassName() + ";");
        Label l1 = new Label();
        mv.visitJumpInsn(Opcodes.IFNONNULL, l1);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        EnhanceUtils.addLoadForType(mv, mmd.getType(), 1);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getSetMethodPrefixMethodName() + mmd.getName(), "(" + fieldTypeDesc + ")V");
        Label l3 = new Label();
        mv.visitJumpInsn(Opcodes.GOTO, l3);
        mv.visitLabel(l1);
        // "else objPC.dnStateManager.setYYYField(objPC, 0, objPC.ZZZ, zzz);"
        mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getStateManagerFieldName(), "L" + namer.getStateManagerAsmClassName() + ";");
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        EnhanceUtils.addBIPUSHToMethod(mv, mmd.getFieldId());
        if (cmd.getPersistableSuperclass() != null) {
            mv.visitFieldInsn(Opcodes.GETSTATIC, asmClassName, namer.getInheritedFieldCountFieldName(), "I");
            mv.visitInsn(Opcodes.IADD);
        }
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getGetMethodPrefixMethodName() + mmd.getName(), "()" + fieldTypeDesc);
        EnhanceUtils.addLoadForType(mv, mmd.getType(), 1);
        String methodName = "set" + EnhanceUtils.getTypeNameForPersistableMethod(mmd.getType()) + "Field";
        String argTypeDesc = fieldTypeDesc;
        if (methodName.equals("setObjectField")) {
            argTypeDesc = EnhanceUtils.CD_Object;
        }
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, namer.getStateManagerAsmClassName(), methodName, "(L" + namer.getPersistableAsmClassName() + ";I" + argTypeDesc + argTypeDesc + ")V");
        mv.visitLabel(l3);
        mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        if (cmd.isDetachable()) {
            // "if (objPC.dnIsDetached() == true)"
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getIsDetachedMethodName(), "()Z");
            Label l6 = new Label();
            mv.visitJumpInsn(Opcodes.IFEQ, l6);
            // "((BitSet) objPC.dnDetachedState[3]).set(0);"
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getDetachedStateFieldName(), "[Ljava/lang/Object;");
            mv.visitInsn(Opcodes.ICONST_3);
            mv.visitInsn(Opcodes.AALOAD);
            mv.visitTypeInsn(Opcodes.CHECKCAST, "java/util/BitSet");
            EnhanceUtils.addBIPUSHToMethod(mv, mmd.getFieldId());
            if (cmd.getPersistableSuperclass() != null) {
                mv.visitFieldInsn(Opcodes.GETSTATIC, asmClassName, namer.getInheritedFieldCountFieldName(), "I");
                mv.visitInsn(Opcodes.IADD);
            }
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/BitSet", "set", "(I)V");
            mv.visitLabel(l6);
            mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        }
        mv.visitInsn(Opcodes.RETURN);
        Label endLabel = new Label();
        mv.visitLabel(endLabel);
        mv.visitLocalVariable(argNames[0], asmClassDesc, null, startLabel, endLabel, 0);
        mv.visitLocalVariable(argNames[1], fieldTypeDesc, null, startLabel, endLabel, 1);
        mv.visitMaxs(5, 2);
    } else if ((mmd.getPersistenceFlags() & Persistable.CHECK_WRITE) == Persistable.CHECK_WRITE) {
        // CHECK_WRITE - see method SetViaCheck
        Label startLabel = new Label();
        mv.visitLabel(startLabel);
        // "if (objPC.dnFlags != 0 && objPC.dnStateManager != null)"
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getFlagsFieldName(), "B");
        Label l1 = new Label();
        mv.visitJumpInsn(Opcodes.IFEQ, l1);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getStateManagerFieldName(), "L" + namer.getStateManagerAsmClassName() + ";");
        mv.visitJumpInsn(Opcodes.IFNULL, l1);
        // "objPC.dnStateManager.setYYYField(objPC, 8, objPC.ZZZ, val);"
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getStateManagerFieldName(), "L" + namer.getStateManagerAsmClassName() + ";");
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        EnhanceUtils.addBIPUSHToMethod(mv, mmd.getFieldId());
        if (cmd.getPersistableSuperclass() != null) {
            mv.visitFieldInsn(Opcodes.GETSTATIC, asmClassName, namer.getInheritedFieldCountFieldName(), "I");
            mv.visitInsn(Opcodes.IADD);
        }
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getGetMethodPrefixMethodName() + mmd.getName(), "()" + fieldTypeDesc);
        EnhanceUtils.addLoadForType(mv, mmd.getType(), 1);
        String methodName = "set" + EnhanceUtils.getTypeNameForPersistableMethod(mmd.getType()) + "Field";
        String argTypeDesc = fieldTypeDesc;
        if (methodName.equals("setObjectField")) {
            argTypeDesc = EnhanceUtils.CD_Object;
        }
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, namer.getStateManagerAsmClassName(), methodName, "(L" + namer.getPersistableAsmClassName() + ";I" + argTypeDesc + argTypeDesc + ")V");
        Label l3 = new Label();
        mv.visitJumpInsn(Opcodes.GOTO, l3);
        mv.visitLabel(l1);
        // "objPC.text = val;"
        mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        EnhanceUtils.addLoadForType(mv, mmd.getType(), 1);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getSetMethodPrefixMethodName() + mmd.getName(), "(" + fieldTypeDesc + ")V");
        if (cmd.isDetachable()) {
            // "if (objPC.dnIsDetached() == true)  ((BitSet) objPC.dnDetachedState[3]).set(8);"
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getIsDetachedMethodName(), "()Z");
            mv.visitJumpInsn(Opcodes.IFEQ, l3);
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitFieldInsn(Opcodes.GETFIELD, asmClassName, namer.getDetachedStateFieldName(), "[Ljava/lang/Object;");
            mv.visitInsn(Opcodes.ICONST_3);
            mv.visitInsn(Opcodes.AALOAD);
            mv.visitTypeInsn(Opcodes.CHECKCAST, "java/util/BitSet");
            EnhanceUtils.addBIPUSHToMethod(mv, mmd.getFieldId());
            if (cmd.getPersistableSuperclass() != null) {
                mv.visitFieldInsn(Opcodes.GETSTATIC, asmClassName, namer.getInheritedFieldCountFieldName(), "I");
                mv.visitInsn(Opcodes.IADD);
            }
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/BitSet", "set", "(I)V");
        }
        mv.visitLabel(l3);
        mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        mv.visitInsn(Opcodes.RETURN);
        Label endLabel = new Label();
        mv.visitLabel(endLabel);
        mv.visitLocalVariable(argNames[0], asmClassDesc, null, startLabel, endLabel, 0);
        mv.visitLocalVariable(argNames[1], fieldTypeDesc, null, startLabel, endLabel, 1);
        mv.visitMaxs(5, 2);
    } else {
        // NORMAL - see method SetNormal
        Label startLabel = new Label();
        mv.visitLabel(startLabel);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        EnhanceUtils.addLoadForType(mv, mmd.getType(), 1);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, asmClassName, namer.getSetMethodPrefixMethodName() + mmd.getName(), "(" + fieldTypeDesc + ")V");
        mv.visitInsn(Opcodes.RETURN);
        Label endLabel = new Label();
        mv.visitLabel(endLabel);
        mv.visitLocalVariable(argNames[0], asmClassDesc, null, startLabel, endLabel, 0);
        mv.visitLocalVariable(argNames[1], fieldTypeDesc, null, startLabel, endLabel, 1);
        mv.visitMaxs(2, 2);
    }
    mv.visitEnd();
}

Example 64 with AbstractClassMetaData

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

the class ImplementationGenerator method createPropertyFields.

/**
 * Creates fields for the properties of this class and super classes.
 */
protected void createPropertyFields() {
    AbstractClassMetaData acmd = inputCmd;
    do {
        createPropertyFields(acmd);
        acmd = acmd.getSuperAbstractClassMetaData();
    } while (acmd != null);
}

Example 65 with AbstractClassMetaData

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

the class ImplementationGenerator method createPropertyMethods.

/**
 * Create getters and setters methods for this class and super classes
 */
protected void createPropertyMethods() {
    AbstractClassMetaData acmd = inputCmd;
    do {
        createPropertyMethods(acmd);
        acmd = acmd.getSuperAbstractClassMetaData();
    } while (acmd != null);
}