| /******************************************************************************* |
| * Copyright (c) 2008-2011 Chair for Applied Software Engineering, |
| * Technische Universitaet Muenchen. |
| * 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: |
| * Florian Pirchner |
| ******************************************************************************/ |
| package org.eclipse.emf.emfstore.exampleclient; |
| |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.emf.emfstore.bowling.BowlingFactory; |
| import org.eclipse.emf.emfstore.bowling.League; |
| import org.eclipse.emf.emfstore.bowling.Player; |
| import org.eclipse.emf.emfstore.client.ESLocalProject; |
| import org.eclipse.emf.emfstore.client.ESRemoteProject; |
| import org.eclipse.emf.emfstore.client.ESUsersession; |
| import org.eclipse.emf.emfstore.client.ESWorkspace; |
| import org.eclipse.emf.emfstore.client.ESWorkspaceProvider; |
| import org.eclipse.emf.emfstore.internal.client.model.Usersession; |
| import org.eclipse.emf.emfstore.internal.client.model.util.EMFStoreClientUtil; |
| import org.eclipse.emf.emfstore.internal.client.model.util.EMFStoreCommand; |
| import org.eclipse.emf.emfstore.internal.client.model.util.EMFStoreCommandWithResult; |
| import org.eclipse.emf.emfstore.internal.common.model.util.ModelUtil; |
| import org.eclipse.emf.emfstore.server.exceptions.ESException; |
| import org.eclipse.equinox.app.IApplication; |
| import org.eclipse.equinox.app.IApplicationContext; |
| |
| /** |
| * An application that runs the demo.<br> |
| * Run a client that shows the merging feature of the EMFstore |
| * Please note: this is the programmatic way of merging |
| * EMFStore also provides a default UI for merging |
| * If there is a problem with the connection to the server |
| * e.g. a network, a specific ESException will be thrown |
| */ |
| @SuppressWarnings("restriction") |
| public class Application implements IApplication { |
| |
| private ESUsersession usersession; |
| |
| /** |
| * {@inheritDoc} |
| */ |
| // BEGIN SUPRESS CATCH EXCEPTION |
| public Object start(IApplicationContext context) throws Exception { |
| |
| // run a client that shows the basic features of the emf store |
| runClient(); |
| |
| return IApplication.EXIT_OK; |
| } |
| |
| // END SUPRESS CATCH EXCEPTION |
| |
| private void runClient() throws ESException { |
| System.out.println("Client starting..."); |
| |
| // The workspace is the core controller to access |
| // local and remote projects |
| final ESWorkspace workspace = ESWorkspaceProvider.INSTANCE.getWorkspace(); |
| |
| // Sets up the workspace by cleaning all contents |
| setupWorkspace(); |
| |
| try { |
| |
| /* |
| * Create a project, share it with the server, add a model element |
| * to it and commit the changes. |
| */ |
| |
| // create a new local project |
| // and share it with the server |
| ESLocalProject project1 = workspace.createLocalProject("projectNo1"); |
| project1.shareProject(usersession, null); |
| |
| // create a league |
| // and add 2 players to it |
| League league1 = BowlingFactory.eINSTANCE.createLeague(); |
| league1.setName("league no. 1"); |
| league1.getPlayers().add(createPlayer("no. 1")); |
| league1.getPlayers().add(createPlayer("no. 2")); |
| project1.getModelElements().add(league1); |
| |
| // commit the changes of the project to the EMF |
| // Store |
| project1.commit(null, null, null); |
| System.out.println("Project 1: The \"league no. 1\" was sent to the server!"); |
| |
| /* |
| * Now lets checkout the same project twice, modify the element and |
| * commit the changes to the server. |
| */ |
| ESLocalProject project2 = project1.getRemoteProject().checkout("My checkout", |
| usersession, new NullProgressMonitor()); |
| League league2 = (League) project2.getModelElements().get(0); |
| System.out.println(String.format("Project 2: League \"%s\" was checked out twice!", league1.getName())); |
| league2.setName("league no. 1 - changed"); |
| // now lets try to commit |
| project2.commit(null, null, null); |
| |
| /* |
| * Lets check the value of the league contained in project 1. Then |
| * we update the values from the server and check the contents |
| * again. |
| */ |
| System.out.println(String.format("Project 1: Name of league is \"%s\"", league1.getName())); |
| |
| // update from server |
| project1.update(new NullProgressMonitor()); |
| |
| System.out.println(String.format("Project 1: Name of league is \"%s\" after update from server", |
| league1.getName())); |
| |
| /* |
| * Now lets create a conflict! |
| */ |
| System.out.println("Creating a conflict"); |
| league1.setName("Not conflicting change"); |
| project1.commit(null, null, null); |
| |
| try { |
| league2.setName("Uuups - conflicting change"); |
| project2.commit(null, null, null); |
| } catch (ESException e) { |
| System.out.println("That was a conflict since league1#name was changed and commited earlier!"); |
| |
| /* |
| * Now lets revert the changes, update the project and change it |
| * afterwards |
| */ |
| project2.revert(); |
| project2.update(new NullProgressMonitor()); |
| league2.setName("Not conflicting anymore"); |
| project2.commit(null, null, null); |
| } |
| |
| System.out.println("Client run completed."); |
| } catch (ESException e) { |
| ModelUtil.logException(e); |
| } |
| } |
| |
| /** |
| * Creates a default workspace and deletes all remote projects. |
| * |
| * @throws ESException |
| */ |
| private void setupWorkspace() throws ESException { |
| // A user session stores credentials for login |
| // Creates a user session with the default credentials |
| usersession = new EMFStoreCommandWithResult<ESUsersession>() { |
| @Override |
| protected ESUsersession doRun() { |
| Usersession session = EMFStoreClientUtil.createUsersession(); |
| try { |
| session.logIn(); |
| } catch (ESException e) { |
| throw new RuntimeException(e); |
| } |
| return session.toAPI(); |
| } |
| }.run(false, null); |
| |
| // Retrieves a list of existing (and accessible) projects |
| // on the sever and deletes them permanently (to have a |
| // clean set-up) |
| new EMFStoreCommand() { |
| @Override |
| protected void doRun() { |
| try { |
| List<ESRemoteProject> projectList = usersession.getServer().getRemoteProjects(); |
| for (ESRemoteProject projectInfo : projectList) { |
| projectInfo.delete(usersession, new NullProgressMonitor()); |
| } |
| } catch (ESException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| }.run(false, null); |
| } |
| |
| /** |
| * Creates a new instance of a player. |
| * |
| * @param name |
| * @return |
| */ |
| private Player createPlayer(String name) { |
| Player player = BowlingFactory.eINSTANCE.createPlayer(); |
| player.setName(String.format("Player %s", name)); |
| return player; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void stop() { |
| } |
| } |