| /* |
| * 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 |
| * |
| * http://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.bval.jsr303.resolver; |
| |
| import javax.persistence.Persistence; |
| import javax.validation.Path; |
| import javax.validation.TraversableResolver; |
| import java.lang.annotation.ElementType; |
| |
| |
| /** @see javax.validation.TraversableResolver */ |
| public class JPATraversableResolver implements TraversableResolver, CachingRelevant { |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean isReachable(Object traversableObject, Path.Node traversableProperty, |
| Class<?> rootBeanType, Path pathToTraversableObject, |
| ElementType elementType) { |
| return traversableObject == null || Persistence.getPersistenceUtil() |
| .isLoaded(traversableObject, traversableProperty.getName()); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean isCascadable(Object traversableObject, Path.Node traversableProperty, |
| Class<?> rootBeanType, Path pathToTraversableObject, |
| ElementType elementType) { |
| return true; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean needsCaching() { |
| return true; // yes |
| } |
| } |