1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.db.layer0.adapter.impl;
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14 import java.util.Map;
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16 import org.simantics.db.ReadGraph;
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17 import org.simantics.db.Resource;
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18 import org.simantics.db.WriteGraph;
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19 import org.simantics.db.exception.DatabaseException;
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20 import org.simantics.db.layer0.adapter.Remover;
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23 * @author Tuukka Lehtonen
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25 public abstract class AbstractRemover implements Remover {
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27 protected final Resource resource;
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29 public AbstractRemover(Resource resource) {
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30 this.resource = resource;
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33 protected String consultPossibleCanRemove(ReadGraph graph, Resource r, Map<Object, Object> aux) throws DatabaseException {
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34 Remover remover = graph.getPossibleAdapter(r, Remover.class);
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35 if (remover != null) {
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36 return remover.canRemove(graph, aux);
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41 protected boolean consultPossibleRemover(WriteGraph graph, Resource r) throws DatabaseException {
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42 Remover remover = graph.getPossibleAdapter(r, Remover.class);
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43 if (remover != null) {
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44 remover.remove(graph);
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51 public String canRemove(ReadGraph graph, Map<Object, Object> aux) throws DatabaseException {
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