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.browsing.ui.graph.impl;
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14 import org.simantics.browsing.ui.common.ErrorLogger;
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15 import org.simantics.browsing.ui.content.Labeler.Modifier;
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16 import org.simantics.db.ReadGraph;
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17 import org.simantics.db.RequestProcessor;
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18 import org.simantics.db.Resource;
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19 import org.simantics.db.WriteGraph;
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20 import org.simantics.db.common.primitiverequest.PossibleAdapter;
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21 import org.simantics.db.common.request.WriteRequest;
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22 import org.simantics.db.exception.DatabaseException;
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23 import org.simantics.db.layer0.adapter.StringModifier;
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24 import org.simantics.db.request.Read;
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26 public class L0StringModifier implements Modifier {
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28 final private RequestProcessor processor;
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29 final private Resource resource;
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31 public L0StringModifier(RequestProcessor processor, Resource resource) {
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32 this.processor = processor;
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33 this.resource = resource;
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37 public String getValue() {
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39 return processor.syncRequest(new PossibleAdapter<String>(resource, String.class));
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40 } catch (DatabaseException e) {
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41 ErrorLogger.defaultLogError(e);
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47 public String isValid(final String label) {
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49 return processor.syncRequest(new Read<String>() {
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51 public String perform(ReadGraph graph) throws DatabaseException {
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52 StringModifier modifier = graph.adapt(resource, StringModifier.class);
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53 return modifier.isValid(label);
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56 } catch (DatabaseException e) {
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57 ErrorLogger.defaultLogError(e);
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58 return e.getMessage();
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63 public void modify(final String label) {
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65 processor.syncRequest(new WriteRequest() {
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67 public void perform(WriteGraph graph) throws DatabaseException {
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68 StringModifier modifier = graph.adapt(resource, StringModifier.class);
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69 modifier.modify(graph, label);
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72 } catch (DatabaseException e) {
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73 ErrorLogger.defaultLogError(e);
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