/******************************************************************************* | |
* Copyright (c) 2011, 2013 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 v1.0 and Eclipse Distribution License v. 1.0 | |
* which accompanies this distribution. | |
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html | |
* and the Eclipse Distribution License is available at | |
* http://www.eclipse.org/org/documents/edl-v10.php. | |
* | |
* 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 }); | |
} | |
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; | |
} | |
} |