Package org.eclipse.persistence.internal.descriptors

Examples of org.eclipse.persistence.internal.descriptors.VirtualAttributeMethodInfo

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     * @return
     */
    public VirtualAttributeMethodInfo getInfoForVirtualGetMethod(String getMethodName){
        Iterator<VirtualAttributeMethodInfo> i = virtualAccessMethods.iterator();
        while (i.hasNext()){
            VirtualAttributeMethodInfo info = i.next();
            if (info.getGetMethodName() != null && info.getGetMethodName().equals(getMethodName)){
                return info;
            }
        }
        return null;
    }
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     * @return
     */
    public VirtualAttributeMethodInfo getInfoForVirtualSetMethod(String setMethodName){
        Iterator<VirtualAttributeMethodInfo> i = virtualAccessMethods.iterator();
        while (i.hasNext()){
            VirtualAttributeMethodInfo info = i.next();
            if (info.getGetMethodName() != null && info.getGetMethodName().equals(setMethodName)){
                return info;
            }
        }
        return null;
    }
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            AttributeDetails attributeDetails = new AttributeDetails(attribute, mapping);

            if (mapping.getAttributeAccessor().isVirtualAttributeAccessor()){
                attributeDetails.setVirtualProperty(mapping.getAttributeAccessor().isVirtualAttributeAccessor());
                if ((classDetails.getInfoForVirtualGetMethod(mapping.getGetMethodName()) == null) && (classDetails.getInfoForVirtualSetMethod(mapping.getSetMethodName()) == null)){
                    VirtualAttributeMethodInfo info = new VirtualAttributeMethodInfo(mapping.getGetMethodName(), mapping.getSetMethodName());
                    classDetails.getVirtualAccessMethods().add(info);
                }
            }
            // Initial look for the type of this attribute.
            MetadataClass typeClass = getAttributeTypeFromClass(metadataClass, attribute, mapping, false);
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        String getterMethodName = null;
        int valueHoldingLocation = 1;
        int valueStorageLocation = 2;
       
        if (attributeDetails == null){
            VirtualAttributeMethodInfo info = tcw.classDetails.getInfoForVirtualGetMethod(methodName);
            if ((info != null) && this.methodDescriptor.equals(ClassWeaver.VIRTUAL_GETTER_SIGNATURE) ){
                isGetMethod = true;
                isVirtual = true;
                referenceClassName = "java.lang.Object";
                setterMethodName = info.getSetMethodName();
                referenceClassType = Type.getType(ClassWeaver.OBJECT_SIGNATURE);
                getterMethodName = methodName;
            }
        } else {
            attributeName = attributeDetails.getAttributeName();
            referenceClassName = attributeDetails.getReferenceClassName();
            setterMethodName = attributeDetails.getSetterMethodName();
            referenceClassType = attributeDetails.getReferenceClassType();
            getterMethodName = attributeDetails.getGetterMethodName();
            isVirtual = attributeDetails.isVirtualProperty();
        }
        if (isVirtual){
            valueHoldingLocation = 2;
            valueStorageLocation = 3;
        }
        if (isVirtual || (isGetMethod && !attributeDetails.hasField())) {
            if (tcw.classDetails.shouldWeaveFetchGroups()) {
                mv.visitVarInsn(ALOAD, 0);
                if (isVirtual){
                    mv.visitVarInsn(ALOAD, 1);
                } else {
                    mv.visitLdcInsn(attributeName);
                }
                // _persistence_checkFetched("attributeName");
                mv.visitMethodInsn(INVOKEVIRTUAL, tcw.classDetails.getClassName(), "_persistence_checkFetched", "(Ljava/lang/String;)V");               
            }
            if (!isVirtual && attributeDetails.weaveValueHolders()) {
                // _persistence_initialize_attributeName_vh();
                mv.visitVarInsn(ALOAD, 0);
                mv.visitMethodInsn(INVOKEVIRTUAL, tcw.classDetails.getClassName(), "_persistence_initialize_" + attributeName + ClassWeaver.PERSISTENCE_FIELDNAME_POSTFIX, "()V");
               
                // if (!_persistence_attributeName_vh.isInstantiated()) {
                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, tcw.classDetails.getClassName(), ClassWeaver.PERSISTENCE_FIELDNAME_PREFIX + attributeName + ClassWeaver.PERSISTENCE_FIELDNAME_POSTFIX, ClassWeaver.VHI_SIGNATURE);
                mv.visitMethodInsn(INVOKEINTERFACE, ClassWeaver.VHI_SHORT_SIGNATURE, "isInstantiated", "()Z");
                Label l0 = new Label();
                mv.visitJumpInsn(IFNE, l0);
   
                // Need to disable change tracking when the set method is called to avoid thinking the attribute changed.
                if (tcw.classDetails.shouldWeaveChangeTracking()) {
                    // PropertyChangeListener temp_persistence_listener = _persistence_listener;
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitFieldInsn(GETFIELD, tcw.classDetails.getClassName(), "_persistence_listener", ClassWeaver.PCL_SIGNATURE);
                    mv.visitVarInsn(ASTORE, 4);
                    // _persistence_listener = null;
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitInsn(ACONST_NULL);
                    mv.visitFieldInsn(PUTFIELD, tcw.classDetails.getClassName(), "_persistence_listener", ClassWeaver.PCL_SIGNATURE);
                }
                // setAttributeName((AttributeType)_persistence_attributeName_vh.getValue());
                mv.visitVarInsn(ALOAD, 0);
                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, tcw.classDetails.getClassName(), ClassWeaver.PERSISTENCE_FIELDNAME_PREFIX + attributeName + ClassWeaver.PERSISTENCE_FIELDNAME_POSTFIX, ClassWeaver.VHI_SIGNATURE);
                mv.visitMethodInsn(INVOKEINTERFACE, ClassWeaver.VHI_SHORT_SIGNATURE, "getValue", "()Ljava/lang/Object;");
                mv.visitTypeInsn(CHECKCAST, referenceClassName.replace('.','/'));
                mv.visitMethodInsn(INVOKEVIRTUAL, tcw.classDetails.getClassName(), setterMethodName, "(" + referenceClassType.getDescriptor() + ")V");
               
                if (tcw.classDetails.shouldWeaveChangeTracking()) {
                    // _persistence_listener = temp_persistence_listener;
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitVarInsn(ALOAD, 4);
                    mv.visitFieldInsn(PUTFIELD, tcw.classDetails.getClassName(), "_persistence_listener", ClassWeaver.PCL_SIGNATURE);
                }
                // }
                mv.visitLabel(l0);
            }       
        } else {
            attributeDetails = tcw.classDetails.getSetterMethodToAttributeDetails().get(methodName);
            boolean isSetMethod = (attributeDetails != null) && this.methodDescriptor.equals(attributeDetails.getSetterMethodSignature());
            if (attributeDetails == null){
                VirtualAttributeMethodInfo info = tcw.classDetails.getInfoForVirtualSetMethod(methodName);
                if (info != null && this.methodDescriptor.equals(ClassWeaver.VIRTUAL_GETTER_SIGNATURE) ){
                    isGetMethod = true;
                    isVirtual = true;
                    referenceClassName = "java.lang.Object";
                    setterMethodName = methodName;
                    referenceClassType = Type.getType(ClassWeaver.OBJECT_SIGNATURE);
                    getterMethodName = info.getGetMethodName();
                }
            } else {
                attributeName = attributeDetails.getAttributeName();
                referenceClassName = attributeDetails.getReferenceClassName();
                setterMethodName = attributeDetails.getSetterMethodName();
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     * unless they are overridden by discovering access methods specified at
     * one of the locations above.
     */
    public void setDefaultAccessMethods(AccessMethodsMetadata accessMethods) {
        m_defaultAccessMethods = accessMethods;
        getClassDescriptor().getVirtualAttributeMethods().add(new VirtualAttributeMethodInfo(accessMethods.getGetMethodName(),accessMethods.getSetMethodName()));
    }
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Related Classes of org.eclipse.persistence.internal.descriptors.VirtualAttributeMethodInfo

  • org.eclipse.persistence.internal.jpa.metadata.MetadataDescriptor
  • org.eclipse.persistence.internal.jpa.weaving.ClassDetails
  • org.eclipse.persistence.internal.jpa.weaving.MethodWeaver
  • org.eclipse.persistence.internal.jpa.weaving.TransformerFactory
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