/***************************************************************** * 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.cayenne.configuration; import java.util.Collection; import java.util.Collections; import org.apache.cayenne.validation.ValidationFailure; /** * A tree of configuration nodes that contains extra information about the nodes, such * as load errors. * * @since 3.1 */ public class ConfigurationTree<T extends ConfigurationNode> { protected T rootNode; protected Collection<ValidationFailure> loadFailures; public ConfigurationTree(T rootNode) { this.rootNode = rootNode; } public ConfigurationTree(T rootNode, Collection<ValidationFailure> loadFailures) { this.rootNode = rootNode; this.loadFailures = loadFailures; } public T getRootNode() { return rootNode; } public Collection<ValidationFailure> getLoadFailures() { return loadFailures != null ? loadFailures : Collections.<ValidationFailure>emptyList(); } }