| /* |
| * Copyright (c) 1998, 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: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.internal.xr; |
| |
| //javase imports |
| import java.util.Map; |
| |
| //EclipseLink imports |
| import org.eclipse.persistence.exceptions.DescriptorException; |
| import org.eclipse.persistence.indirection.ValueHolder; |
| import org.eclipse.persistence.indirection.ValueHolderInterface; |
| import org.eclipse.persistence.internal.dynamic.DynamicEntityImpl.PropertyWrapper; |
| import org.eclipse.persistence.mappings.DatabaseMapping; |
| |
| /** |
| * <p> |
| * <b>INTERNAL:</b> XRDynamicEntityVHAccessor is similar to |
| * {@link XRDynamicEntityAccessor}; however, it is used exclusively by O-X mappings |
| * as they require attribute navigation <i>through</i> the ValueHolder to the |
| * contained value. |
| * |
| * @author Mike Norman - michael.norman@oracle.com |
| * @since EclipseLink 1.x |
| */ |
| |
| @SuppressWarnings("serial") |
| public class XRDynamicEntityVHAccessor extends XRDynamicEntityAccessor { |
| |
| public XRDynamicEntityVHAccessor(DatabaseMapping mapping) { |
| super(mapping); |
| } |
| |
| @Override |
| public Object getAttributeValueFromObject(Object entity) throws DescriptorException { |
| Map<String, PropertyWrapper> propertiesMap = ((XRDynamicEntity)entity).getPropertiesMap(); |
| PropertyWrapper wrapper = propertiesMap.get(attributeName); |
| Object v = null; |
| if (wrapper.isSet()) { |
| v = ((ValueHolderInterface)wrapper.getValue()).getValue(); |
| } |
| return v; |
| } |
| |
| @Override |
| public void setAttributeValueInObject(Object entity, Object value) throws DescriptorException { |
| Map<String, PropertyWrapper> propertiesMap = ((XRDynamicEntity)entity).getPropertiesMap(); |
| PropertyWrapper wrapper = propertiesMap.get(attributeName); |
| if (value instanceof ValueHolderInterface) { |
| // ValueHolders go directly into the PropertyWrapper |
| wrapper.setValue(value); |
| } |
| else { |
| if (!wrapper.isSet()) { |
| wrapper.setValue(new ValueHolder(value)); |
| } |
| else { |
| ((ValueHolderInterface)wrapper.getValue()).setValue(value); |
| } |
| } |
| } |
| } |