-/*******************************************************************************\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.internal;\r
-\r
-import java.util.Hashtable;\r
-\r
-import org.osgi.framework.BundleContext;\r
-import org.osgi.framework.ServiceRegistration;\r
-import org.simantics.db.Disposable;\r
-import org.simantics.db.management.ISessionContext;\r
-import org.simantics.utils.datastructures.cache.SoftTimedCache;\r
-import org.simantics.utils.datastructures.disposable.IDisposable;\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class TimedSessionCache extends SoftTimedCache</*ServerAddress*/Object, ISessionContext> {\r
-\r
- private static ServiceRegistration<?> service = null;\r
- private static BundleContext bundleContext = null;\r
- private static boolean disposed = false;\r
-\r
- TimedSessionCache() {\r
- super("Database Session Cache Timer");\r
- }\r
-\r
- /**\r
- * Invoked by the bundle activator to initialize the cache service.\r
- * \r
- * @param context the bundle context to register the service with\r
- */\r
- @SuppressWarnings({ "unchecked", "rawtypes" })\r
- public synchronized static void initialize(BundleContext context) {\r
- bundleContext = context;\r
- service = context.registerService(TimedSessionCache.class.getName(), new TimedSessionCache(), new Hashtable());\r
- disposed = false;\r
- }\r
-\r
- /**\r
- * Invoked by the bundle activator to close the cache service.\r
- */\r
- public synchronized static void close() {\r
- if (service != null) {\r
- TimedSessionCache cache = getCache();\r
- cache.clear();\r
- \r
- service.unregister();\r
- service = null;\r
- disposed = true;\r
- }\r
- bundleContext = null;\r
- }\r
-\r
- public static synchronized TimedSessionCache getCache() {\r
- if (disposed)\r
- throw new IllegalStateException("cache service is disposed");\r
- if (service == null)\r
- throw new IllegalStateException("cache service not initialized");\r
- return (TimedSessionCache) bundleContext.getService(service.getReference());\r
- }\r
-\r
- @Override\r
- protected void disposeValue(ISessionContext v) {\r
- super.disposeValue(v);\r
- // Implementing Disposable allows immediate disposal of the value\r
- // object instead of leaving the disposal up to garbage\r
- // collection and finalization.\r
- if (v instanceof IDisposable) {\r
- ((IDisposable) v).safeDispose();\r
- } else if (v instanceof Disposable) {\r
- ((Disposable) v).dispose();\r
- }\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.internal;
+
+import java.util.Hashtable;
+
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceRegistration;
+import org.simantics.db.Disposable;
+import org.simantics.db.management.ISessionContext;
+import org.simantics.utils.datastructures.cache.SoftTimedCache;
+import org.simantics.utils.datastructures.disposable.IDisposable;
+/**
+ * @author Tuukka Lehtonen
+ */
+public class TimedSessionCache extends SoftTimedCache</*ServerAddress*/Object, ISessionContext> {
+
+ private static ServiceRegistration<?> service = null;
+ private static BundleContext bundleContext = null;
+ private static boolean disposed = false;
+
+ TimedSessionCache() {
+ super("Database Session Cache Timer");
+ }
+
+ /**
+ * Invoked by the bundle activator to initialize the cache service.
+ *
+ * @param context the bundle context to register the service with
+ */
+ @SuppressWarnings({ "unchecked", "rawtypes" })
+ public synchronized static void initialize(BundleContext context) {
+ bundleContext = context;
+ service = context.registerService(TimedSessionCache.class.getName(), new TimedSessionCache(), new Hashtable());
+ disposed = false;
+ }
+
+ /**
+ * Invoked by the bundle activator to close the cache service.
+ */
+ public synchronized static void close() {
+ if (service != null) {
+ TimedSessionCache cache = getCache();
+ cache.clear();
+
+ service.unregister();
+ service = null;
+ disposed = true;
+ }
+ bundleContext = null;
+ }
+
+ public static synchronized TimedSessionCache getCache() {
+ if (disposed)
+ throw new IllegalStateException("cache service is disposed");
+ if (service == null)
+ throw new IllegalStateException("cache service not initialized");
+ return (TimedSessionCache) bundleContext.getService(service.getReference());
+ }
+
+ @Override
+ protected void disposeValue(ISessionContext v) {
+ super.disposeValue(v);
+ // Implementing Disposable allows immediate disposal of the value
+ // object instead of leaving the disposal up to garbage
+ // collection and finalization.
+ if (v instanceof IDisposable) {
+ ((IDisposable) v).safeDispose();
+ } else if (v instanceof Disposable) {
+ ((Disposable) v).dispose();
+ }
+ }
+
+}
Code Review / simantics / platform.git / blobdiff