-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.simulation.experiment;\r
-\r
-import java.util.UUID;\r
-import java.util.concurrent.locks.Lock;\r
-\r
-import org.eclipse.core.runtime.IProgressMonitor;\r
-import org.simantics.databoard.accessor.Accessor;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.utils.datastructures.ListenerList;\r
-\r
-public abstract class Experiment implements IExperiment {\r
-\r
- protected Resource experiment;\r
- protected Resource model;\r
- protected ListenerList<IExperimentListener> listeners =\r
- new ListenerList<IExperimentListener>(IExperimentListener.class);\r
- protected ListenerList<IExperimentStatusListener> statusListeners =\r
- new ListenerList<IExperimentStatusListener>(IExperimentStatusListener.class);\r
- protected volatile ExperimentState state = ExperimentState.INITIALIZING;\r
- protected String identifier;\r
-\r
- public Experiment(Resource model) {\r
- this(null, model, UUID.randomUUID().toString());\r
- }\r
-\r
- public Experiment(Resource model, String identifier) {\r
- this(null, model, identifier);\r
- }\r
-\r
- public Experiment(Resource experiment, Resource model) {\r
- this(experiment, model, UUID.randomUUID().toString());\r
- }\r
-\r
- public Experiment(Resource experiment, Resource model, String identifier) {\r
- this.experiment = experiment;\r
- this.model = model;\r
- this.identifier = identifier;\r
- }\r
- \r
- @Override\r
- public <T> T getService(Class<T> clazz) {\r
- return null;\r
- }\r
-\r
- @Override\r
- public ExperimentState getState() {\r
- if(state == null)\r
- System.err.println("nullstate");\r
- return state;\r
- }\r
- \r
- @Override\r
- public ExperimentState getState(ReadGraph graph) throws DatabaseException {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- public void changeState(ExperimentState newState) {\r
- if (state == ExperimentState.DISPOSED) {\r
- if (newState != ExperimentState.DISPOSED) {\r
- // TODO: this might be worth logging as an error.\r
- }\r
- return;\r
- }\r
- if(newState != state) {\r
- state = newState;\r
- localStateChange();\r
- for(IExperimentListener listener : listeners.getListeners())\r
- listener.stateChanged(newState);\r
- }\r
- }\r
-\r
- protected void localStateChange() {\r
- }\r
-\r
- @Override\r
- public void addListener(IExperimentListener listener) {\r
- listeners.add(listener);\r
- listener.stateChanged(state);\r
- }\r
-\r
- @Override\r
- public Resource getResource() {\r
- return experiment;\r
- }\r
-\r
- @Override\r
- public Resource getModel() {\r
- return model;\r
- }\r
-\r
- @Override\r
- public void removeListener(IExperimentListener listener) {\r
- listeners.remove(listener);\r
- }\r
-\r
- @Override\r
- public void addStatusListener(IExperimentStatusListener listener) {\r
- statusListeners.add(listener);\r
- }\r
-\r
- @Override\r
- public void removeStatusListener(IExperimentStatusListener listener) {\r
- statusListeners.remove(listener);\r
- }\r
-\r
- @Override\r
- public void shutdown(IProgressMonitor monitor) {\r
- changeState(ExperimentState.DISPOSED);\r
- }\r
-\r
- @Override\r
- public Lock getDatasourceLock() {\r
- throw new UnsupportedOperationException("deprecated operation");\r
- }\r
-\r
- @Override\r
- public Accessor getAccessor() {\r
- return null;\r
- }\r
-\r
- @Override\r
- public String getIdentifier() {\r
- return identifier;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.simulation.experiment;
+
+import java.util.UUID;
+import java.util.concurrent.locks.Lock;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.simantics.databoard.accessor.Accessor;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.procedure.Listener;
+import org.simantics.db.request.ExternalRead;
+import org.simantics.utils.datastructures.ListenerList;
+
+public abstract class Experiment implements IExperiment {
+
+ protected Resource experiment;
+ protected Resource model;
+ protected ListenerList<IExperimentListener> listeners =
+ new ListenerList<IExperimentListener>(IExperimentListener.class);
+ protected ListenerList<IExperimentStatusListener> statusListeners =
+ new ListenerList<IExperimentStatusListener>(IExperimentStatusListener.class);
+ protected volatile ExperimentState state = ExperimentState.INITIALIZING;
+ protected String identifier;
+
+ public Experiment(Resource model) {
+ this(null, model, UUID.randomUUID().toString());
+ }
+
+ public Experiment(Resource model, String identifier) {
+ this(null, model, identifier);
+ }
+
+ public Experiment(Resource experiment, Resource model) {
+ this(experiment, model, UUID.randomUUID().toString());
+ }
+
+ public Experiment(Resource experiment, Resource model, String identifier) {
+ this.experiment = experiment;
+ this.model = model;
+ this.identifier = identifier;
+ }
+
+ @Override
+ public <T> T getService(Class<T> clazz) {
+ return null;
+ }
+
+ @Override
+ public ExperimentState getState() {
+ if(state == null)
+ System.err.println("nullstate");
+ return state;
+ }
+
+ @Override
+ public ExperimentState getState(ReadGraph graph) throws DatabaseException {
+ return graph.syncRequest(EXPERIMENT_STATE_READ);
+ }
+
+ public void changeState(ExperimentState newState) {
+ if (state == ExperimentState.DISPOSED) {
+ if (newState != ExperimentState.DISPOSED) {
+ // TODO: this might be worth logging as an error.
+ }
+ return;
+ }
+ if(newState != state) {
+ state = newState;
+ localStateChange();
+ for(IExperimentListener listener : listeners.getListeners())
+ listener.stateChanged(newState);
+ EXPERIMENT_STATE_READ.run();
+ }
+ }
+
+ protected void localStateChange() {
+ }
+
+ @Override
+ public void addListener(IExperimentListener listener) {
+ listeners.add(listener);
+ listener.stateChanged(state);
+ }
+
+ @Override
+ public Resource getResource() {
+ return experiment;
+ }
+
+ @Override
+ public Resource getModel() {
+ return model;
+ }
+
+ @Override
+ public void removeListener(IExperimentListener listener) {
+ listeners.remove(listener);
+ }
+
+ @Override
+ public void addStatusListener(IExperimentStatusListener listener) {
+ statusListeners.add(listener);
+ }
+
+ @Override
+ public void removeStatusListener(IExperimentStatusListener listener) {
+ statusListeners.remove(listener);
+ }
+
+ @Override
+ public void shutdown(IProgressMonitor monitor) {
+ changeState(ExperimentState.DISPOSED);
+ }
+
+ @Override
+ public Lock getDatasourceLock() {
+ throw new UnsupportedOperationException("deprecated operation");
+ }
+
+ @Override
+ public Accessor getAccessor() {
+ return null;
+ }
+
+ @Override
+ public String getIdentifier() {
+ return identifier;
+ }
+
+ static class ExperimentStateRead implements ExternalRead<ExperimentState>, Runnable {
+
+ final private Experiment experiment;
+ private Listener<ExperimentState> listener = null;
+
+ ExperimentStateRead(Experiment experiment) {
+ this.experiment = experiment;
+ }
+
+ @Override
+ public void register(ReadGraph graph, final Listener<ExperimentState> procedure) {
+ //System.out.println("IcTrackerRequest.register: " + procedure);
+ listener = procedure;
+ procedure.execute(experiment.state);
+ }
+
+ @Override
+ public void unregistered() {
+ //System.out.println("IcTrackerRequest.unregister: " + listener);
+ listener = null;
+ }
+
+ @Override
+ public void run() {
+ Listener<ExperimentState> l = listener;
+ //System.out.println("IcTrackerRequest.run: " + l);
+ if (l != null)
+ l.execute(experiment.state);
+ }
+ }
+
+ private ExperimentStateRead EXPERIMENT_STATE_READ = new ExperimentStateRead(this);
+
+}