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.request;
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14 import org.simantics.db.ReadGraph;
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15 import org.simantics.db.Resource;
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16 import org.simantics.db.common.ResourceArray;
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17 import org.simantics.db.common.exception.DebugException;
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18 import org.simantics.db.common.request.BinaryRead;
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19 import org.simantics.db.exception.AdaptionException;
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20 import org.simantics.db.exception.DatabaseException;
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21 import org.simantics.db.exception.ResourceNotFoundException;
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22 import org.simantics.db.layer0.exception.MissingVariableException;
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23 import org.simantics.db.layer0.variable.Variable;
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24 import org.simantics.db.layer0.variable.VariableInterface;
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26 public class PossibleExperimentVariable extends BinaryRead<String, ResourceArray, Variable> {
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28 public PossibleExperimentVariable(String experiment, ResourceArray resource) {
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29 super(experiment, resource);
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33 public Variable perform(ReadGraph graph) throws DatabaseException {
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37 Resource tail = parameter2.tail();
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38 Resource head = parameter2.head();
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40 if(!graph.hasStatement(tail)) return null;
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42 String valuationName = parameter;
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44 Resource model = graph.syncRequest(new PossibleModel(head));
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45 if (model == null) return null;
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47 VariableInterface variableInterface = graph.adapt(model, VariableInterface.class);
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48 Variable modelVariable = graph.adapt(model, Variable.class);
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49 Variable experimentVariable = modelVariable.browse(graph, valuationName);
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50 return variableInterface.getVariable(graph, experimentVariable, parameter2);
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52 } catch (MissingVariableException e) {
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53 if (DebugException.DEBUG)
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54 e.printStackTrace();
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56 } catch (ResourceNotFoundException e) {
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57 if (DebugException.DEBUG)
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58 e.printStackTrace();
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60 } catch (AdaptionException e) {
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61 if (DebugException.DEBUG)
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62 e.printStackTrace();
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64 } catch (Throwable e) {
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65 if (DebugException.DEBUG)
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66 e.printStackTrace();
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