Examples of org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataField

Package org.eclipse.persistence.internal.jpa.metadata.accessors.objects

Examples of org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataField

org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataField
INTERNAL: An object to hold onto a valid EJB 3.0 decorated field. @author Guy Pelletier @since TopLink 10.1.3/EJB 3.0 Preview

    /**
     * INTERNAL:
     */
    protected boolean havePersistenceAnnotationsDefined(Field[] fields) {
        for (Field field : fields) {
            MetadataField metadataField = new MetadataField(field, getLogger());
            
            if (metadataField.hasDeclaredAnnotations(getDescriptor())) {
                return true;
            }
        }
        
        return false;

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     * setting and for a field to be processed it must have a Access(FIELD) 
     * setting.
     */
    protected void processAccessorFields(boolean processingInverse) {
        for (Field field : MetadataHelper.getFields(getJavaClass())) {
            MetadataField metadataField = new MetadataField(field, getLogger());
            if (metadataField.isAnnotationPresent(Transient.class)) {
                if (metadataField.hasMoreThanOneDeclaredAnnotation(getDescriptor())) {
                    throw ValidationException.mappingAnnotationsAppliedToTransientAttribute(field);
                }
            } else {
                // The is valid check will throw an exception if needed.
                if (metadataField.isValidPersistenceField(processingInverse, getDescriptor())) {
                    // If the accessor already exists, it may have come from XML 
                    // or because of an explicit access type setting. E.G. 
                    // Access type is property and we processed the access 
                    // methods for this field, however the field has been tagged 
                    // as access field. We must therefore overwrite the previous 
                    // accessor with this explicit one.
                    if (! getDescriptor().hasAccessorFor(metadataField.getAttributeName()) || (getDescriptor().hasAccessorFor(metadataField.getAttributeName()) && processingInverse)) {
                        getDescriptor().addAccessor(buildAccessor(metadataField));
                    }
                }
            }
        }

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     * INTERNAL:
     * Return the accessible field for the given mapping accessor. Validation is
     * performed on the existence of the field.
     */
    protected MetadataField getAccessibleField(MappingAccessor accessor) {
        MetadataField field = getJavaClass().getField(accessor.getName());
        
        if (field == null) {
            throw ValidationException.invalidFieldForClass(accessor.getName(), getJavaClass());
        } else {
            // True will force an exception to be thrown if it is not a valid 
            // field. However, if it is a transient accessor, don't validate it 
            // and return.
            if (accessor.isTransient() || field.isValidPersistenceField(this, true)) {
                return field;    
            }
            
            return null;
        }

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    /**
     * Return the class which is the source of the attribute.
     * i.e. the class that defines the attribute in its class file.
     */
    private MetadataClass getAttributeDeclaringClass(MetadataClass metadataClass, String attributeName) {       
        MetadataField field = metadataClass.getField(attributeName);
        return field.getDeclaringClass();
    }

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            if (method == null) {
                return null;
            }
            return method.getMetadataClass(method.getReturnType());
        } else {
            MetadataField field = metadataClass.getField(attributeName, checkSuperclass);
            if (field == null) {
                return null;
            }
            return field.getMetadataClass(field.getType());
        }
    }

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    /**
     * Return the class which is the source of the attribute.
     * i.e. the class that defines the attribute in its class file.
     */
    private MetadataClass getAttributeDeclaringClass(MetadataClass metadataClass, String attributeName) {       
        MetadataField field = metadataClass.getField(attributeName);
        return field.getDeclaringClass();
    }

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            if (method == null) {
                return null;
            }
            return method.getMetadataClass(method.getReturnType());
        } else {
            MetadataField field = metadataClass.getField(attributeName, checkSuperclass);
            if (field == null) {
                return null;
            }
            return field.getMetadataClass(field.getType());
        }
    }

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     * INTERNAL:
     * Visit a variable and create a MetadataField object.
     */
    @Override
    public MetadataField visitVariable(VariableElement variableElement, MetadataClass metadataClass) {
        MetadataField field = new MetadataField(metadataClass);
        
        // Set the name.
        field.setName(variableElement.getSimpleName().toString());
        
        // Set the attribute name (same as name in this case)
        field.setAttributeName(field.getName());
        
        // Visit the variable element for type and generic type.
        variableElement.asType().accept(typeVisitor, field);
        
        // Set the modifiers.
        field.setModifiers(getModifiers(variableElement.getModifiers()));


        // Set the annotations.
        buildMetadataAnnotations(field, variableElement.getAnnotationMirrors());
        
        // Add the field to the class and return the field.

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     * INTERNAL:
     * Visit a variable and create a MetadataField object.
     */
    @Override
    public MetadataField visitVariable(VariableElement variableElement, MetadataClass metadataClass) {
        MetadataField field = new MetadataField(metadataClass.getMetadataFactory());
        
        // Set the name.
        field.setName(variableElement.getSimpleName().toString());
        
        // Set the attribute name (same as name in this case)
        field.setAttributeName(field.getName());
        
        // Visit the variable element for type and generic type.
        TypeVisitor<MetadataField, MetadataField> visitor = new TypeVisitor<MetadataField, MetadataField>();
        variableElement.asType().accept(visitor, field);
        
        // Set the modifiers.
        field.setModifiers(getModifiers(variableElement.getModifiers()));


        // Set the annotations.
        buildMetadataAnnotations(field, variableElement.getAnnotationMirrors());
        
        // Add the field to the class and return the field.

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                                accessibleObject = method;
                            }
                        }  
                    }
                } else {
                    MetadataField field = getJavaClass().getField(accessor.getName());
                
                    if (field == null) {
                        throw ValidationException.invalidFieldForClass(accessor.getName(), getJavaClass());
                    } else {
                        // True will force an exception to be thrown if it is 
                        // not a valid field. However, if it is a transient 
                        // accessor, don't validate it and just let it through.
                        if (accessor.isTransient() || field.isValidPersistenceField(getDescriptor(), true)) {
                            accessibleObject = field;
                        }
                    }
                }

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Related Classes of org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataField

org.eclipse.persistence.internal.jpa.metadata.accessors.classes.ClassAccessor

org.eclipse.persistence.internal.jpa.metadata.accessors.classes.MappedSuperclassAccessor

org.eclipse.persistence.internal.jpa.modelgen.visitors.ElementVisitor

org.eclipse.persistence.internal.jpa.weaving.TransformerFactory

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