org.apache.bval.jsr303.resolver.JPATraversableResolver Maven / Gradle / Ivy
/*
* 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
}
}