/**
* 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.artifacts.util;
import org.whole.lang.iterators.IEntityIterator;
import org.whole.lang.iterators.IteratorFactory;
import org.whole.lang.matchers.GenericMatcherFactory;
import org.whole.lang.model.IEntity;
import org.whole.lang.reflect.EntityKinds;
import org.whole.lang.util.EntityUtils;
import org.whole.lang.visitors.GenericTraversalFactory;
/**
* @author Enrico Persiani
*/
public abstract class AbstractArtifactsOperations<T> implements IArtifactsOperations<T> {
public T getDescendant(T resource, IEntity descendant) {
if (descendant == null || !EntityUtils.hasParent(descendant))
return resource;
IEntityIterator<IEntity> iterator = IteratorFactory.scannerIterator(
IteratorFactory.ancestorOrSelfReverseIterator())
.withPattern(GenericTraversalFactory.instance.one(
GenericMatcherFactory.instance.isFragmentMatcher(),
GenericMatcherFactory.instance.hasKindMatcher(EntityKinds.COMPOSITE)));
T parentContext = getParent(resource);
iterator.reset(descendant);
while (iterator.hasNext())
parentContext = getChild(parentContext, iterator.next());
return parentContext;
}
public void deleteChild(T resource, IEntity child) {
delete(getChild(resource, child));
}
}