-/*******************************************************************************\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.application.db;\r
-\r
-import org.eclipse.equinox.app.IApplication;\r
-import org.eclipse.equinox.app.IApplicationContext;\r
-import org.simantics.application.arguments.SimanticsArguments;\r
-import org.simantics.application.template.TemplateDatabaseApplication;\r
-import org.simantics.db.Session;\r
-\r
-/**\r
- * A headless (non-ui) application base class for one-shot connection to and\r
- * usage of a Simantics database.\r
- * \r
- * <p>\r
- * The simplest way to use this application class is to override the\r
- * {@link #afterConnect(DatabaseHandle)} method to do your own stuff with the\r
- * database in question. Use {@link #getSession()} to get a hold of the database\r
- * session.\r
- * </p>\r
- * \r
- * <p>\r
- * The application expects at least the {@link SimanticsArguments#SERVER} and\r
- * supports the {@link SimanticsArguments#CHECKOUT}.\r
- * </p>\r
- * \r
- * @see TemplateDatabaseApplication for a usage example\r
- */\r
-public abstract class HeadlessDatabaseApplication implements IApplication {\r
-\r
- private DatabaseHandle database;\r
-\r
- @Override\r
- public Object start(IApplicationContext context) throws Exception {\r
- try {\r
- beforeConnect(context);\r
- connectToServer(context);\r
- afterConnect();\r
- \r
- return IApplication.EXIT_OK;\r
- } finally {\r
- if (database != null) {\r
- try {\r
- database.dispose();\r
- } catch (Throwable t) {\r
- t.printStackTrace();\r
- }\r
- }\r
- }\r
- }\r
-\r
- @Override\r
- public void stop() {\r
- // TODO: force the application to stop\r
- }\r
-\r
- protected IDatabaseHandle connectToServer(IApplicationContext context) throws Exception {\r
- String[] args = (String[]) context.getArguments().get(IApplicationContext.APPLICATION_ARGS);\r
- database = new DatabaseHandle(args, deleteLocalCopyAtExit());\r
- return database;\r
- }\r
-\r
- protected Session getSession() {\r
- if (database == null)\r
- throw new IllegalStateException("null database session");\r
- return database.getSession();\r
- }\r
-\r
- /**\r
- * Override this method to perform actions <em>before</em> the application\r
- * attempts to connect to the database specified by the command line\r
- * arguments.\r
- * \r
- * @param context the application startup context\r
- */\r
- protected void beforeConnect(IApplicationContext context) {\r
- }\r
-\r
- /**\r
- * Override this method to perform actions <em>after</em> the application\r
- * has connected to the database specified by the command line arguments.\r
- */\r
- protected void afterConnect() {\r
- }\r
-\r
- protected boolean deleteLocalCopyAtExit() {\r
- return false;\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.application.db;
+
+import org.eclipse.equinox.app.IApplication;
+import org.eclipse.equinox.app.IApplicationContext;
+import org.simantics.application.arguments.SimanticsArguments;
+import org.simantics.application.template.TemplateDatabaseApplication;
+import org.simantics.db.Session;
+
+/**
+ * A headless (non-ui) application base class for one-shot connection to and
+ * usage of a Simantics database.
+ *
+ * <p>
+ * The simplest way to use this application class is to override the
+ * {@link #afterConnect(DatabaseHandle)} method to do your own stuff with the
+ * database in question. Use {@link #getSession()} to get a hold of the database
+ * session.
+ * </p>
+ *
+ * <p>
+ * The application expects at least the {@link SimanticsArguments#SERVER} and
+ * supports the {@link SimanticsArguments#CHECKOUT}.
+ * </p>
+ *
+ * @see TemplateDatabaseApplication for a usage example
+ */
+public abstract class HeadlessDatabaseApplication implements IApplication {
+
+ private DatabaseHandle database;
+
+ @Override
+ public Object start(IApplicationContext context) throws Exception {
+ try {
+ beforeConnect(context);
+ connectToServer(context);
+ afterConnect();
+
+ return IApplication.EXIT_OK;
+ } finally {
+ if (database != null) {
+ try {
+ database.dispose();
+ } catch (Throwable t) {
+ t.printStackTrace();
+ }
+ }
+ }
+ }
+
+ @Override
+ public void stop() {
+ // TODO: force the application to stop
+ }
+
+ protected IDatabaseHandle connectToServer(IApplicationContext context) throws Exception {
+ String[] args = (String[]) context.getArguments().get(IApplicationContext.APPLICATION_ARGS);
+ database = new DatabaseHandle(args, deleteLocalCopyAtExit());
+ return database;
+ }
+
+ protected Session getSession() {
+ if (database == null)
+ throw new IllegalStateException("null database session");
+ return database.getSession();
+ }
+
+ /**
+ * Override this method to perform actions <em>before</em> the application
+ * attempts to connect to the database specified by the command line
+ * arguments.
+ *
+ * @param context the application startup context
+ */
+ protected void beforeConnect(IApplicationContext context) {
+ }
+
+ /**
+ * Override this method to perform actions <em>after</em> the application
+ * has connected to the database specified by the command line arguments.
+ */
+ protected void afterConnect() {
+ }
+
+ protected boolean deleteLocalCopyAtExit() {
+ return false;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff