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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 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.modeler.action;
 import java.util.Map;
 import  org.apache.cayenne.ConfigurationException;
 import  org.apache.cayenne.access.DataDomain;
 import  org.apache.cayenne.access.DataNode;
 import  org.apache.cayenne.conf.Configuration;
 import  org.apache.cayenne.conf.RuntimeLoadDelegate;
Project loader delegate customized for use in CayenneModeler.

 class ModelerProjectLoadDelegate extends RuntimeLoadDelegate {
     public ModelerProjectLoadDelegate(Configuration configuration) {
     protected void updateDefaults(DataDomain domain) {
         // do nothing...
     protected void initAdapter(DataNode nodeString adapterName) {
         node.setAdapter(new ModelerDbAdapter(adapterNamenode.getDataSource()));
     public void shouldLoadDataDomain(String domainName) {
         try {
             // disable class indexing
         catch (Exception ex) {
             throw new ConfigurationException("Domain is not loaded: " + domainName);
     public void shouldLoadDataDomainProperties(
             String domainName,
             Map<StringStringproperties) {
         // remove factory property to avoid instantiation attempts for unknown/invalid
         // classes
         Map<StringStringpropertiesClone = new HashMap<StringString>(properties);
         String dataContextFactory = propertiesClone
         // stick property back in...
         if (dataContextFactory != null) {
             try {
             catch (Exception ex) {
                 throw new ConfigurationException("Domain is not loaded: " + domainName);
     public void finishedLoading() {
         // execute a simplified version of the super method to avoid runtime relationships
         // and other runtime artifacts...
         // load missing relationships and update configuration object
         for (DataDomain domain : getDomains().values()) {

Creates a subclass of the DataNode that does not decorate its DataSource, exposing the version that was set on it.
    protected DataNode createDataNode(String nodeName) {
        return new DataNode(nodeName) {
            public DataSource getDataSource() {
                return dataSource;
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