- * In addition to removing the node instance itself, this remover first tries to - * remove the node from the children linked list of its possible parent - * node. - * - * @author Tuukka Lehtonen - */ -public class NodeRemover extends AbstractRemover { - - private static final boolean DEBUG = false; - - public NodeRemover(Resource node) throws DatabaseException { - super(node); - } - - @Override - public void remove(WriteGraph graph) throws DatabaseException { - if (DEBUG) - System.out.println(this + " removing scene graph node"); - - Layer0 L0 = Layer0.getInstance(graph); - ScenegraphResources SG = ScenegraphResources.getInstance(graph); - - // 1. Remove node from possible parent resource linked list. - for (Resource parentNode : graph.getObjects(resource, L0.PartOf)) { - for (Resource list : graph.getObjects(parentNode, SG.Node_children)) { - ListUtils.removeElement(graph, list, resource); - } - } - - // 2. Delete node itself - EntityRemover.remove(graph, resource); - } - - @Override - public String toString() { - return getClass().getSimpleName() + resource; - } - -} +/******************************************************************************* + * Copyright (c) 2012 Association for Decentralized Information Management in + * Industry THTH ry. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ +package org.simantics.scenegraph.loader; + +import org.simantics.db.Resource; +import org.simantics.db.WriteGraph; +import org.simantics.db.common.utils.ListUtils; +import org.simantics.db.exception.DatabaseException; +import org.simantics.db.layer0.adapter.Remover; +import org.simantics.db.layer0.adapter.impl.AbstractRemover; +import org.simantics.db.layer0.adapter.impl.EntityRemover; +import org.simantics.layer0.Layer0; +import org.simantics.scenegraph.ontology.ScenegraphResources; + +/** + * A {@link Remover} implementation for removing SG.Node instances. + * + *
+ * In addition to removing the node instance itself, this remover first tries to + * remove the node from the children linked list of its possible parent + * node. + * + * @author Tuukka Lehtonen + */ +public class NodeRemover extends AbstractRemover { + + private static final boolean DEBUG = false; + + public NodeRemover(Resource node) throws DatabaseException { + super(node); + } + + @Override + public void remove(WriteGraph graph) throws DatabaseException { + if (DEBUG) + System.out.println(this + " removing scene graph node"); + + Layer0 L0 = Layer0.getInstance(graph); + ScenegraphResources SG = ScenegraphResources.getInstance(graph); + + // 1. Remove node from possible parent resource linked list. + for (Resource parentNode : graph.getObjects(resource, L0.PartOf)) { + for (Resource list : graph.getObjects(parentNode, SG.Node_children)) { + ListUtils.removeElement(graph, list, resource); + } + } + + // 2. Delete node itself + EntityRemover.remove(graph, resource); + } + + @Override + public String toString() { + return getClass().getSimpleName() + resource; + } + +}