| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.sdo.helper; |
| |
| import commonj.sdo.DataObject; |
| import commonj.sdo.Property; |
| |
| import org.eclipse.persistence.sdo.SDODataObject; |
| import org.eclipse.persistence.sdo.SDOProperty; |
| import org.eclipse.persistence.exceptions.DescriptorException; |
| import org.eclipse.persistence.internal.descriptors.MethodAttributeAccessor; |
| |
| /** |
| * <p><b>Purpose</b>: A wrapper class for handling cases when the domain object attributes are |
| * to be accessed thru the accessor methods that are called "get" and "set". This is to be used |
| * when marshalling/unmarshalling SDODataObjects. The propertyName is the name of the property on |
| * the DataObject and that must be set on this accessor. |
| */ |
| public class SDOMethodAttributeAccessor extends MethodAttributeAccessor { |
| protected Class<?> attributeClass; |
| protected SDOProperty property; |
| |
| public SDOMethodAttributeAccessor(Property property) { |
| setProperty(property); |
| } |
| |
| public SDOMethodAttributeAccessor(Property property, Class<?> attributeClass) { |
| setProperty(property); |
| this.attributeClass = attributeClass; |
| } |
| |
| /** |
| * Return the return type of the method accessor. |
| */ |
| @Override |
| public Class<?> getAttributeClass() { |
| if (attributeClass != null) { |
| return attributeClass; |
| } |
| return java.lang.Object.class; |
| } |
| |
| /** |
| * Gets the value of an instance variable in the object. |
| */ |
| @Override |
| public Object getAttributeValueFromObject(Object anObject) throws DescriptorException { |
| |
| boolean isSet = ((DataObject)anObject).isSet(getProperty()); |
| if (!isSet) { |
| return null; |
| } |
| |
| return ((DataObject)anObject).get(getProperty()); |
| } |
| |
| /** |
| * Set get and set method after creating these methods by using |
| * get and set method names |
| */ |
| @Override |
| public void initializeAttributes(Class<?> theJavaClass) throws DescriptorException { |
| if (getAttributeName() == null) { |
| throw DescriptorException.attributeNameNotSpecified(); |
| } |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public boolean isMethodAttributeAccessor() { |
| return true; |
| } |
| |
| /** |
| * Sets the value of the instance variable in the object to the value. |
| */ |
| @Override |
| public void setAttributeValueInObject(Object domainObject, Object attributeValue) throws DescriptorException { |
| ((SDODataObject)domainObject).setInternal(property, attributeValue, false); |
| |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| public void setProperty(Property property) { |
| this.property = (SDOProperty) property; |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| public Property getProperty() { |
| return property; |
| } |
| |
| @Override |
| public Class<?> getGetMethodReturnType() { |
| return attributeClass; |
| } |
| |
| @Override |
| public Class<?> getSetMethodParameterType() { |
| return attributeClass; |
| } |
| |
| } |