| /***************************************************************** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| ****************************************************************/ |
| package org.apache.cayenne.reflect; |
| |
| import org.apache.cayenne.ObjectContext; |
| import org.apache.cayenne.Persistent; |
| import org.apache.cayenne.map.ObjAttribute; |
| |
| /** |
| * A descriptor of an "attribute" persistent property. |
| * |
| * @since 3.0 |
| */ |
| public class SimpleAttributeProperty extends BaseProperty implements AttributeProperty { |
| |
| private ObjAttribute attribute; |
| |
| public SimpleAttributeProperty(ClassDescriptor owner, Accessor accessor, |
| ObjAttribute attribute) { |
| super(owner, accessor); |
| this.attribute = attribute; |
| } |
| |
| @Override |
| public boolean visit(PropertyVisitor visitor) { |
| return visitor.visitAttribute(this); |
| } |
| |
| public ObjAttribute getAttribute() { |
| return attribute; |
| } |
| |
| @Override |
| public Object readProperty(Object object) throws PropertyException { |
| resolveFault(object); |
| return super.readProperty(object); |
| } |
| |
| @Override |
| public void writeProperty(Object object, Object oldValue, Object newValue) |
| throws PropertyException { |
| resolveFault(object); |
| super.writeProperty(object, oldValue, newValue); |
| } |
| |
| protected void resolveFault(Object object) throws PropertyException { |
| try { |
| Persistent persistent = (Persistent) object; |
| ObjectContext context = persistent.getObjectContext(); |
| if (context != null) { |
| context.prepareForAccess(persistent, getName(), false); |
| } |
| } |
| catch (ClassCastException e) { |
| throw new PropertyException("Object is not a Persistent: '" |
| + object.getClass().getName() |
| + "'", this, object, e); |
| } |
| } |
| } |