org.apache.openjpa.persistence.validation.TraversableResolverImpl 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.openjpa.persistence.validation;
import java.lang.annotation.ElementType;
import jakarta.persistence.spi.LoadState;
import jakarta.validation.Path;
import jakarta.validation.Path.Node;
import jakarta.validation.TraversableResolver;
import org.apache.openjpa.persistence.OpenJPAPersistenceUtil;
/**
* OpenJPA optimized TraversableResolver Default implementation/behavior asks all discovered providers -
* jakarta.persistence.Persistence.getPersistenceUtil().isLoaded( traversableObject, traversableProperty.getName());
*
* @see jakarta.validation.TraversableResolver
*/
public class TraversableResolverImpl implements TraversableResolver {
public TraversableResolverImpl() {
}
/* (non-Javadoc) isReachable() is called by the Validator before accessing
* a property for validation or for cascading.
*
* @see jakarta.validation.TraversableResolver#isReachable(java.lang.Object,
* jakarta.validation.Path.Node, java.lang.Class, jakarta.validation.Path,
* java.lang.annotation.ElementType)
*/
@Override
public boolean isReachable(Object traversableObject,
Node traversableProperty, Class rootBeanType,
Path pathToTraversableObject, ElementType elementType) {
/*
* OpenJPA optimized version of the default provider implementation,
* which doesn't ask all the providers on the classpath about the obj.
*/
if (OpenJPAPersistenceUtil.isLoaded(traversableObject, traversableProperty.getName()) == LoadState.NOT_LOADED) {
return false;
} else {
// LoadState.LOADED or LoadState.UNKNOWN
return true;
}
}
/* (non-Javadoc) isCascadable() is called by the Validator after
* isReachable() returns true and before a property marked with @Valid
* is cascaded.
*
* @see jakarta.validation.TraversableResolver#isCascadable(java.lang.Object,
* jakarta.validation.Path.Node, java.lang.Class, jakarta.validation.Path,
* java.lang.annotation.ElementType)
*/
@Override
public boolean isCascadable(Object traversableObject,
Node traversableProperty, Class rootBeanType,
Path pathToTraversableObject, ElementType elementType) {
// BV Spec Section 3.5.2 says to always return true for JPA ???
return true;
}
}