1 /*******************************************************************************
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2 * Copyright (c) 2012 Association for Decentralized Information Management in
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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.modeling.adapters;
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14 import org.simantics.db.Resource;
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15 import org.simantics.db.WriteGraph;
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16 import org.simantics.db.common.utils.OrderedSetUtils;
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17 import org.simantics.db.exception.DatabaseException;
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18 import org.simantics.db.layer0.adapter.Remover;
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19 import org.simantics.db.layer0.adapter.impl.EntityRemover;
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20 import org.simantics.layer0.utils.binaryPredicates.OrderedSetElementsPredicate;
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23 * A {@link Remover} implementation for removing DIA.Monitor instances.
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25 * TODO: see why we couldn't just use ElementRemover for monitors? Previously
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26 * DIA.Monitors were explicitly declared in adapters.xml to adapt to
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27 * EntityRemover, not ElementRemover. There had to be some reason for that
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30 * @author Tuukka Lehtonen
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32 public class MonitorRemover extends EntityRemover {
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34 private static final boolean DEBUG = false;
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36 public MonitorRemover(Resource element) throws DatabaseException {
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41 public void remove(WriteGraph graph) throws DatabaseException {
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43 System.out.println(this + " removing monitor");
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45 // 1. Disconnect element from diagrams
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46 for (Resource diagram : OrderedSetElementsPredicate.INSTANCE.getSubjects(graph, resource)) {
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47 OrderedSetUtils.remove(graph, diagram, resource);
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50 // 2. Delete element itself
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51 EntityRemover.remove(graph, resource);
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55 public String toString() {
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56 return getClass().getSimpleName() + resource;
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