/**
* Copyright 2004-2016 Riccardo Solmi. All rights reserved.
* This file is part of the Whole Platform.
*
* The Whole Platform is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The Whole Platform is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whole.lang.ui.commands;
import org.whole.lang.bindings.BindingManagerFactory;
import org.whole.lang.bindings.IBindingManager;
import org.whole.lang.matchers.AbstractGenericForcedMatcher;
import org.whole.lang.matchers.MatchException;
import org.whole.lang.model.IEntity;
import org.whole.lang.util.EntityUtils;
import org.whole.lang.visitors.TraverseAllFilter;
/**
* @author Enrico Persiani
*/
public class MergeModelsTransactionCommand extends ModelTransactionCommand {
public MergeModelsTransactionCommand() {
}
public MergeModelsTransactionCommand(IEntity model) {
super(model);
}
public MergeModelsTransactionCommand(IEntity model, String label) {
super(model, label);
}
public void mergeWith(IEntity entity) {
begin();
try {
IBindingManager bm = BindingManagerFactory.instance.createBindingManager();
entity.wAccept(new AbstractGenericForcedMatcher(bm, TraverseAllFilter.instance) {
protected void forceMatch(IEntity pattern, IEntity model) {
IEntity parent = model.wGetParent();
if (EntityUtils.isNull(parent))
throw new MatchException(pattern, model, bindings);
parent.wSet(model, EntityUtils.clone(pattern));
}
}, getModel());
commit();
} catch (RuntimeException e) {
rollbackIfNeeded();
throw e;
}
}
}