| /* |
| * Copyright (c) 2011, 2020 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: |
| // 03/29/2010-2.1 Guy Pelletier |
| // - 267217: Add Named Access Type to EclipseLink-ORM |
| package org.eclipse.persistence.internal.descriptors; |
| |
| import org.eclipse.persistence.exceptions.DescriptorException; |
| import org.eclipse.persistence.internal.helper.ClassConstants; |
| |
| public class VirtualAttributeAccessor extends MethodAttributeAccessor { |
| |
| private Class valueType = ClassConstants.OBJECT; |
| |
| /** |
| * Gets the value of an instance variable in the object. |
| */ |
| @Override |
| public Object getAttributeValueFromObject(Object anObject) throws DescriptorException { |
| return getAttributeValueFromObject(anObject, new Object[] {getAttributeName()}); |
| } |
| |
| /** |
| * Return the method return type. In a name access usage the return type |
| * currently must be Object.class. |
| */ |
| @Override |
| public Class getGetMethodReturnType() { |
| return valueType; |
| } |
| |
| /** |
| * Return the set method parameter type. In a name access usage there must |
| * be an extra String parameter along with the Object.class type so we must |
| * check and return a different index from the parameter types. |
| */ |
| @Override |
| public Class getSetMethodParameterType() { |
| return getSetMethodParameterType(1); |
| } |
| |
| /** |
| * Return the set method parameter types. |
| */ |
| @Override |
| protected Class[] getSetMethodParameterTypes() { |
| return new Class[] {String.class, getGetMethodReturnType()}; |
| } |
| |
| /** |
| * Set get and set method after creating these methods by using |
| * get and set method names |
| */ |
| @Override |
| public void initializeAttributes(Class theJavaClass) throws DescriptorException { |
| initializeAttributes(theJavaClass, new Class[] { String.class }); |
| } |
| |
| @Override |
| public boolean isVirtualAttributeAccessor(){ |
| 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 { |
| setAttributeValueInObject(domainObject, attributeValue, new Object[] {getAttributeName(), attributeValue}); |
| } |
| |
| /** |
| * Override the class of the values being stored. |
| * @since EclipseLink 2.3 |
| */ |
| public void setValueType(Class value) { |
| valueType = value; |
| } |
| |
| } |