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.simulation.experiment;
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14 import java.util.UUID;
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15 import java.util.concurrent.locks.Lock;
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17 import org.eclipse.core.runtime.IProgressMonitor;
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18 import org.simantics.databoard.accessor.Accessor;
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19 import org.simantics.db.ReadGraph;
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20 import org.simantics.db.Resource;
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21 import org.simantics.db.exception.DatabaseException;
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22 import org.simantics.utils.datastructures.ListenerList;
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24 public abstract class Experiment implements IExperiment {
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26 protected Resource experiment;
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27 protected Resource model;
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28 protected ListenerList<IExperimentListener> listeners =
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29 new ListenerList<IExperimentListener>(IExperimentListener.class);
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30 protected ListenerList<IExperimentStatusListener> statusListeners =
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31 new ListenerList<IExperimentStatusListener>(IExperimentStatusListener.class);
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32 protected volatile ExperimentState state = ExperimentState.INITIALIZING;
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33 protected String identifier;
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35 public Experiment(Resource model) {
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36 this(null, model, UUID.randomUUID().toString());
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39 public Experiment(Resource model, String identifier) {
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40 this(null, model, identifier);
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43 public Experiment(Resource experiment, Resource model) {
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44 this(experiment, model, UUID.randomUUID().toString());
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47 public Experiment(Resource experiment, Resource model, String identifier) {
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48 this.experiment = experiment;
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50 this.identifier = identifier;
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54 public <T> T getService(Class<T> clazz) {
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59 public ExperimentState getState() {
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61 System.err.println("nullstate");
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66 public ExperimentState getState(ReadGraph graph) throws DatabaseException {
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67 throw new UnsupportedOperationException();
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70 public void changeState(ExperimentState newState) {
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71 if (state == ExperimentState.DISPOSED) {
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72 if (newState != ExperimentState.DISPOSED) {
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73 // TODO: this might be worth logging as an error.
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77 if(newState != state) {
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80 for(IExperimentListener listener : listeners.getListeners())
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81 listener.stateChanged(newState);
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85 protected void localStateChange() {
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89 public void addListener(IExperimentListener listener) {
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90 listeners.add(listener);
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91 listener.stateChanged(state);
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95 public Resource getResource() {
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100 public Resource getModel() {
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105 public void removeListener(IExperimentListener listener) {
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106 listeners.remove(listener);
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110 public void addStatusListener(IExperimentStatusListener listener) {
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111 statusListeners.add(listener);
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115 public void removeStatusListener(IExperimentStatusListener listener) {
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116 statusListeners.remove(listener);
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120 public void shutdown(IProgressMonitor monitor) {
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121 changeState(ExperimentState.DISPOSED);
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125 public Lock getDatasourceLock() {
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126 throw new UnsupportedOperationException("deprecated operation");
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130 public Accessor getAccessor() {
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135 public String getIdentifier() {
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