-/*******************************************************************************\r
- * Copyright (c) 2012 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
- * Semantum Oy - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics;\r
-\r
-import org.eclipse.core.runtime.IProgressMonitor;\r
-import org.eclipse.core.runtime.IStatus;\r
-import org.eclipse.core.runtime.Status;\r
-import org.eclipse.core.runtime.jobs.Job;\r
-import org.eclipse.core.runtime.preferences.DefaultScope;\r
-import org.eclipse.core.runtime.preferences.InstanceScope;\r
-import org.osgi.service.prefs.Preferences;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Session;\r
-import org.simantics.db.common.request.ReadRequest;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.service.LifecycleSupport;\r
-import org.simantics.db.service.VirtualGraphSupport;\r
-import org.simantics.internal.Activator;\r
-\r
-/**\r
- * @author Tuukka Lehtonen <tuukka.lehtonen@semantum.fi>\r
- */\r
-public class AutosaveVirtualGraphs extends Job {\r
-\r
- private static final boolean TRACE = false;\r
-\r
- private boolean enabled = true;\r
-\r
- private Preferences defaultPrefs = DefaultScope.INSTANCE.getNode(AutosavePreferences.P_NODE);\r
- private Preferences prefs = InstanceScope.INSTANCE.getNode(AutosavePreferences.P_NODE);\r
-\r
- private static AutosaveVirtualGraphs INSTANCE;\r
-\r
- private boolean getBooleanPref(String preference, boolean def) {\r
- return prefs.getBoolean(preference, defaultPrefs.getBoolean(preference, def));\r
- }\r
-\r
- private int getIntPref(String preference, int def) {\r
- return prefs.getInt(preference, defaultPrefs.getInt(preference, def));\r
- }\r
-\r
- private AutosaveVirtualGraphs() {\r
- super("Autosave Virtual Graphs");\r
- setSystem(true);\r
- setPriority(Job.LONG);\r
- }\r
-\r
- public static synchronized AutosaveVirtualGraphs getInstance() {\r
- if(INSTANCE == null) {\r
- INSTANCE = new AutosaveVirtualGraphs();\r
- }\r
- return INSTANCE;\r
- }\r
-\r
- /**\r
- * @param enabled\r
- * @return\r
- */\r
- public boolean isEnabled() {\r
- return enabled;\r
- }\r
-\r
- /**\r
- * @param enabled new enabled state\r
- * @return previous enabled state\r
- */\r
- public boolean setEnabled(boolean enabled) {\r
- if (enabled == this.enabled)\r
- return enabled;\r
- this.enabled = enabled;\r
- if (enabled)\r
- scheduleAfterInterval();\r
- else\r
- cancel();\r
- return !enabled;\r
- }\r
-\r
- public AutosaveVirtualGraphs scheduleAfterInterval() {\r
- // Check global disable first.\r
- String enabled = System.getProperty(AutosavePreferences.SYSTEM_PROPERTY_AUTOSAVE);\r
- if (enabled != null && enabled.equalsIgnoreCase(Boolean.FALSE.toString())) {\r
- return this;\r
- }\r
-\r
- // Then check preference.\r
- if (!getBooleanPref(AutosavePreferences.P_VG_AUTOSAVE_ENABLED, AutosavePreferences.DEFAULT_VG_AUTOSAVE_ENABLED))\r
- return this;\r
-\r
- wakeUp();\r
- int interval = getIntPref(AutosavePreferences.P_VG_AUTOSAVE_INTERVAL, AutosavePreferences.DEFAULT_VG_AUTOSAVE_INTERVAL);\r
- schedule(interval*1000L);\r
- return this;\r
- }\r
-\r
- @Override\r
- public boolean shouldSchedule() {\r
- return enabled;\r
- }\r
-\r
- @Override\r
- public boolean shouldRun() {\r
- return enabled;\r
- }\r
-\r
- protected IStatus runHeadless(IProgressMonitor monitor) {\r
- try {\r
- Session session = Simantics.peekSession();\r
- if (session == null)\r
- return Status.CANCEL_STATUS;\r
- LifecycleSupport lfs = session.peekService(LifecycleSupport.class);\r
- if (lfs == null || lfs.isClosed() || lfs.isClosing())\r
- return Status.CANCEL_STATUS;\r
-\r
- // Save\r
- monitor.beginTask("Autosaving virtual graphs...", IProgressMonitor.UNKNOWN);\r
- if (TRACE)\r
- System.out.println("Autosaving virtual graphs...");\r
- long startTime = System.nanoTime();\r
-\r
- session.syncRequest(new ReadRequest() {\r
- @Override\r
- public void run(ReadGraph graph) throws DatabaseException {\r
- doSave(graph);\r
- }\r
- });\r
-\r
- if (TRACE) {\r
- long endTime = System.nanoTime();\r
- System.out.println("Autosave of virtual graphs completed in " + (endTime-startTime)*1e-6 + " ms");\r
- }\r
-\r
- return Status.OK_STATUS;\r
- } catch (DatabaseException e) {\r
- return new Status(Status.ERROR, Activator.PLUGIN_ID, "Autosaving virtual graphs failed", e);\r
- } finally {\r
- }\r
- }\r
-\r
- @Override\r
- protected IStatus run(IProgressMonitor monitor) {\r
- if (!getBooleanPref(AutosavePreferences.P_VG_AUTOSAVE_ENABLED, AutosavePreferences.DEFAULT_VG_AUTOSAVE_ENABLED))\r
- return Status.OK_STATUS;\r
- int interval = getIntPref(AutosavePreferences.P_VG_AUTOSAVE_INTERVAL, AutosavePreferences.DEFAULT_VG_AUTOSAVE_INTERVAL);\r
- try {\r
- // Never run while a heavy database job is in progress.\r
- if (DatabaseJob.inProgress()) {\r
- // Schedule again in at most 10 seconds instead of\r
- // waiting for the whole autosave period again.\r
- interval = Math.min(10, interval);\r
- return Status.OK_STATUS;\r
- }\r
-\r
-// if(PlatformUI.isWorkbenchRunning()) {\r
-// return runInWorkbench(monitor);\r
-// } else {\r
- return runHeadless(monitor);\r
-// }\r
- } finally {\r
- schedule(interval*1000L);\r
- }\r
- }\r
-\r
- public static void doSave(ReadGraph graph) throws DatabaseException {\r
- VirtualGraphSupport vgs = graph.getService(VirtualGraphSupport.class);\r
- vgs.saveAll();\r
- }\r
-\r
- public static void saveVirtualGraphsPeriodically() {\r
- getInstance().scheduleAfterInterval();\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2012 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:
+ * Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.Job;
+import org.eclipse.core.runtime.preferences.DefaultScope;
+import org.eclipse.core.runtime.preferences.InstanceScope;
+import org.osgi.service.prefs.Preferences;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Session;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.service.LifecycleSupport;
+import org.simantics.db.service.VirtualGraphSupport;
+import org.simantics.internal.Activator;
+
+/**
+ * @author Tuukka Lehtonen <tuukka.lehtonen@semantum.fi>
+ */
+public class AutosaveVirtualGraphs extends Job {
+
+ private static final boolean TRACE = false;
+
+ private boolean enabled = true;
+
+ private Preferences defaultPrefs = DefaultScope.INSTANCE.getNode(AutosavePreferences.P_NODE);
+ private Preferences prefs = InstanceScope.INSTANCE.getNode(AutosavePreferences.P_NODE);
+
+ private static AutosaveVirtualGraphs INSTANCE;
+
+ private boolean getBooleanPref(String preference, boolean def) {
+ return prefs.getBoolean(preference, defaultPrefs.getBoolean(preference, def));
+ }
+
+ private int getIntPref(String preference, int def) {
+ return prefs.getInt(preference, defaultPrefs.getInt(preference, def));
+ }
+
+ private AutosaveVirtualGraphs() {
+ super("Autosave Virtual Graphs");
+ setSystem(true);
+ setPriority(Job.LONG);
+ }
+
+ public static synchronized AutosaveVirtualGraphs getInstance() {
+ if(INSTANCE == null) {
+ INSTANCE = new AutosaveVirtualGraphs();
+ }
+ return INSTANCE;
+ }
+
+ /**
+ * @param enabled
+ * @return
+ */
+ public boolean isEnabled() {
+ return enabled;
+ }
+
+ /**
+ * @param enabled new enabled state
+ * @return previous enabled state
+ */
+ public boolean setEnabled(boolean enabled) {
+ if (enabled == this.enabled)
+ return enabled;
+ this.enabled = enabled;
+ if (enabled)
+ scheduleAfterInterval();
+ else
+ cancel();
+ return !enabled;
+ }
+
+ public AutosaveVirtualGraphs scheduleAfterInterval() {
+ // Check global disable first.
+ String enabled = System.getProperty(AutosavePreferences.SYSTEM_PROPERTY_AUTOSAVE);
+ if (enabled != null && enabled.equalsIgnoreCase(Boolean.FALSE.toString())) {
+ return this;
+ }
+
+ // Then check preference.
+ if (!getBooleanPref(AutosavePreferences.P_VG_AUTOSAVE_ENABLED, AutosavePreferences.DEFAULT_VG_AUTOSAVE_ENABLED))
+ return this;
+
+ wakeUp();
+ int interval = getIntPref(AutosavePreferences.P_VG_AUTOSAVE_INTERVAL, AutosavePreferences.DEFAULT_VG_AUTOSAVE_INTERVAL);
+ schedule(interval*1000L);
+ return this;
+ }
+
+ @Override
+ public boolean shouldSchedule() {
+ return enabled;
+ }
+
+ @Override
+ public boolean shouldRun() {
+ return enabled;
+ }
+
+ protected IStatus runHeadless(IProgressMonitor monitor) {
+ try {
+ Session session = Simantics.peekSession();
+ if (session == null)
+ return Status.CANCEL_STATUS;
+ LifecycleSupport lfs = session.peekService(LifecycleSupport.class);
+ if (lfs == null || lfs.isClosed() || lfs.isClosing())
+ return Status.CANCEL_STATUS;
+
+ // Save
+ monitor.beginTask("Autosaving virtual graphs...", IProgressMonitor.UNKNOWN);
+ if (TRACE)
+ System.out.println("Autosaving virtual graphs...");
+ long startTime = System.nanoTime();
+
+ session.syncRequest(new ReadRequest() {
+ @Override
+ public void run(ReadGraph graph) throws DatabaseException {
+ doSave(graph);
+ }
+ });
+
+ if (TRACE) {
+ long endTime = System.nanoTime();
+ System.out.println("Autosave of virtual graphs completed in " + (endTime-startTime)*1e-6 + " ms");
+ }
+
+ return Status.OK_STATUS;
+ } catch (DatabaseException e) {
+ return new Status(Status.ERROR, Activator.PLUGIN_ID, "Autosaving virtual graphs failed", e);
+ } finally {
+ }
+ }
+
+ @Override
+ protected IStatus run(IProgressMonitor monitor) {
+ if (!getBooleanPref(AutosavePreferences.P_VG_AUTOSAVE_ENABLED, AutosavePreferences.DEFAULT_VG_AUTOSAVE_ENABLED))
+ return Status.OK_STATUS;
+ int interval = getIntPref(AutosavePreferences.P_VG_AUTOSAVE_INTERVAL, AutosavePreferences.DEFAULT_VG_AUTOSAVE_INTERVAL);
+ try {
+ // Never run while a heavy database job is in progress.
+ if (DatabaseJob.inProgress()) {
+ // Schedule again in at most 10 seconds instead of
+ // waiting for the whole autosave period again.
+ interval = Math.min(10, interval);
+ return Status.OK_STATUS;
+ }
+
+// if(PlatformUI.isWorkbenchRunning()) {
+// return runInWorkbench(monitor);
+// } else {
+ return runHeadless(monitor);
+// }
+ } finally {
+ schedule(interval*1000L);
+ }
+ }
+
+ public static void doSave(ReadGraph graph) throws DatabaseException {
+ VirtualGraphSupport vgs = graph.getService(VirtualGraphSupport.class);
+ vgs.saveAll();
+ }
+
+ public static void saveVirtualGraphsPeriodically() {
+ getInstance().scheduleAfterInterval();
+ }
+
+}
Code Review / simantics / platform.git / blobdiff