1 package org.simantics.modeling;
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4 import java.text.SimpleDateFormat;
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5 import java.util.Date;
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6 import java.util.List;
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8 import org.eclipse.core.runtime.NullProgressMonitor;
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9 import org.eclipse.core.runtime.Platform;
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10 import org.eclipse.core.runtime.jobs.IJobManager;
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11 import org.eclipse.core.runtime.jobs.Job;
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12 import org.simantics.DatabaseJob;
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13 import org.simantics.Logger;
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14 import org.simantics.Simantics;
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15 import org.simantics.SimanticsPlatform;
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16 import org.simantics.SimanticsPlatform.OntologyRecoveryPolicy;
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17 import org.simantics.db.ReadGraph;
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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.request.WriteRequest;
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21 import org.simantics.db.exception.DatabaseException;
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22 import org.simantics.db.layer0.request.external.EclipsePreferencePrimitiveRead;
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23 import org.simantics.db.layer0.util.RemoverUtil;
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24 import org.simantics.db.layer0.util.SimanticsClipboard;
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25 import org.simantics.db.service.DebugSupport;
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26 import org.simantics.db.service.ServiceActivityMonitor;
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29 public static void killPlatformWrite(WriteGraph graph) throws DatabaseException {
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30 // Currently not supported.
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31 // Would be relatively easy to support the desired functionality.
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32 // To implement this I would recommend something like:
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33 // SimanticsPlatform.INSTANCE.breakWrite();
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34 // And it's implementation with db.management.breakWrite() method.
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35 // To be clear, at the moment this method (breakWrite) does not exist.
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37 public static void killPlatformRead(ReadGraph graph) throws DatabaseException {
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40 public static void killPlatform() throws Exception {
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41 SimanticsPlatform.INSTANCE.shutdown(null);
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43 public static void shutdownPlatform() throws Exception {
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44 SimanticsPlatform.INSTANCE.shutdown(null);
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46 public static void reconnectPlatform() throws Exception {
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47 SimanticsPlatform.INSTANCE.reconnect(Simantics.getDefaultDatabaseDriver());
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49 public static void synchronizeOntologies() throws Exception {
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50 SimanticsPlatform.INSTANCE.synchronizeOntologies(new NullProgressMonitor(), OntologyRecoveryPolicy.Merge, true);
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51 Simantics.getSession().getService(DebugSupport.class).query(Simantics.getSession(), "exec QueryControl.flush");
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54 public static void sync() throws DatabaseException {
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55 // Multiple bugs here:
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56 // -Model performs activation in separate write transactions because API does not support changing the virtual graph
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57 // => activation & activation listener is delayed beyond this point
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58 // -This should be fixed by the following code
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59 // TransactionSupport ts = session.getService(TransactionSupport.class);
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60 // ts.waitCompletion();
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61 // but unfortunately this does not work either...
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62 // so we synchronize by a familiar write transaction
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63 // And then wait still some more
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64 // for(int i=0;i<3;i++) {
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65 Simantics.getSession().syncRequest(new WriteRequest() {
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67 public void perform(WriteGraph graph) throws DatabaseException {
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71 public String toString() {
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72 return "Utils sync";
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76 // // And then wait still some more
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77 // Simantics.getSession().syncRequest(new ReadRequest() {
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79 // public void run(ReadGraph graph) throws DatabaseException {
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85 public static void syncGraph() throws Exception {
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87 Simantics.getSession().getService(ServiceActivityMonitor.class).waitForCompletion();
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88 } catch (InterruptedException e) {
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89 throw new DatabaseException(e);
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92 // OK, now the experiment activate job should be scheduled
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93 // Wait for the job to finish
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94 IJobManager job = Job.getJobManager();
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95 Job[] jobs = job.find(null);
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96 for (Job j : jobs) {
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97 if(j instanceof DatabaseJob) j.join();
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102 public static boolean deleteMBNode(List<Resource> resources) throws DatabaseException {
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103 boolean value = false;
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105 value = RemoverUtil.tryCollectionRemover(resources);
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106 } catch (DatabaseException e){
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112 public static void sleep(int ms) {
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115 } catch (InterruptedException e) {
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116 Logger.defaultLogError(e);
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120 public static boolean hasSomethingToPaste(ReadGraph graph, Resource resource) throws DatabaseException {
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122 SimanticsClipboard clipboard = Simantics.getClipboard();
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123 return !clipboard.getContents().isEmpty();
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127 public static boolean canDelete(ReadGraph graph, Resource resource) throws DatabaseException {
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129 return RemoverUtil.canRemove(graph, resource);
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133 public static boolean canRename(ReadGraph graph, Resource resource) throws DatabaseException {
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137 public static String currentDate(String format) {
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139 SimpleDateFormat sdf = new SimpleDateFormat(format);
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140 return sdf.format(new Date(System.currentTimeMillis()));
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144 public static File workspaceDirectory() {
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145 return new File(Platform.getInstanceLocation().getURL().getFile());
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148 public static String queryPreference(ReadGraph graph, String pluginId, String preferenceKey) throws DatabaseException {
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149 String result = graph.syncRequest(new EclipsePreferencePrimitiveRead(pluginId, preferenceKey));
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150 if(result == null) return "";
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