1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.simulation.experiment;
14 import java.util.UUID;
15 import java.util.concurrent.locks.Lock;
17 import org.eclipse.core.runtime.IProgressMonitor;
18 import org.simantics.databoard.accessor.Accessor;
19 import org.simantics.db.ReadGraph;
20 import org.simantics.db.Resource;
21 import org.simantics.db.exception.DatabaseException;
22 import org.simantics.utils.datastructures.ListenerList;
24 public abstract class Experiment implements IExperiment {
26 protected Resource experiment;
27 protected Resource model;
28 protected ListenerList<IExperimentListener> listeners =
29 new ListenerList<IExperimentListener>(IExperimentListener.class);
30 protected ListenerList<IExperimentStatusListener> statusListeners =
31 new ListenerList<IExperimentStatusListener>(IExperimentStatusListener.class);
32 protected volatile ExperimentState state = ExperimentState.INITIALIZING;
33 protected String identifier;
35 public Experiment(Resource model) {
36 this(null, model, UUID.randomUUID().toString());
39 public Experiment(Resource model, String identifier) {
40 this(null, model, identifier);
43 public Experiment(Resource experiment, Resource model) {
44 this(experiment, model, UUID.randomUUID().toString());
47 public Experiment(Resource experiment, Resource model, String identifier) {
48 this.experiment = experiment;
50 this.identifier = identifier;
54 public <T> T getService(Class<T> clazz) {
59 public ExperimentState getState() {
61 System.err.println("nullstate");
66 public ExperimentState getState(ReadGraph graph) throws DatabaseException {
67 throw new UnsupportedOperationException();
70 public void changeState(ExperimentState newState) {
71 if (state == ExperimentState.DISPOSED) {
72 if (newState != ExperimentState.DISPOSED) {
73 // TODO: this might be worth logging as an error.
77 if(newState != state) {
80 for(IExperimentListener listener : listeners.getListeners())
81 listener.stateChanged(newState);
85 protected void localStateChange() {
89 public void addListener(IExperimentListener listener) {
90 listeners.add(listener);
91 listener.stateChanged(state);
95 public Resource getResource() {
100 public Resource getModel() {
105 public void removeListener(IExperimentListener listener) {
106 listeners.remove(listener);
110 public void addStatusListener(IExperimentStatusListener listener) {
111 statusListeners.add(listener);
115 public void removeStatusListener(IExperimentStatusListener listener) {
116 statusListeners.remove(listener);
120 public void shutdown(IProgressMonitor monitor) {
121 changeState(ExperimentState.DISPOSED);
125 public Lock getDatasourceLock() {
126 throw new UnsupportedOperationException("deprecated operation");
130 public Accessor getAccessor() {
135 public String getIdentifier() {