Examples with EndUserTransactionCommand com.ramussoft.common.journal.command.EndUserTransactionCommand used on opensource projects

Example 1 with EndUserTransactionCommand

use of com.ramussoft.common.journal.command.EndUserTransactionCommand in project ramus by Vitaliy-Yakovchuk.

the class Runner method recoverySession.

public boolean recoverySession(final String sessionPath, final File sourceFile) {
    Window rFrame = new Window(null);
    String recovering = GlobalResourcesManager.getString("File.Recovering");
    rFrame.add(new Label(MessageFormat.format(recovering, ((sourceFile == null) ? GlobalResourcesManager.getString("Session.NoName") : sourceFile.getName()))));
    rFrame.pack();
    rFrame.setLocationRelativeTo(null);
    rFrame.setVisible(true);
    final String s = sessionPath + File.separator + "source.rms";
    MemoryDatabase database = new MemoryDatabase() {

        @Override
        protected Collection<? extends PluginProvider> getAdditionalSuits() {
            ArrayList<PluginProvider> ps = new ArrayList<PluginProvider>(1);
            initAdditionalPluginSuits(ps);
            return ps;
        }

        @Override
        protected File getFile() {
            File file = new File(s);
            if (file.exists())
                return file;
            return null;
        }

        protected FileIEngineImpl createFileIEngine(PluginFactory factory) throws ClassNotFoundException, ZipException, IOException {
            return new FileIEngineImpl(0, template, factory, sessionPath);
        }
    };
    final Engine engine = database.getEngine(null);
    DirectoryJournalFactory factory = database.getJournalFactory();
    Journal[] journals = factory.loadJournals(database.getJournaledEngine());
    if (journals.length == 0)
        return false;
    boolean exist = false;
    Journal.RedoCallback redoCallback = new Journal.RedoCallback() {

        boolean hadStartUserTransaction;

        @Override
        public boolean execute(Command command) {
            if (command instanceof StartUserTransactionCommand) {
                hadStartUserTransaction = true;
            }
            return hadStartUserTransaction;
        }
    };
    for (Journal journal : journals) {
        try {
            Command command = null;
            while (journal.canRedo()) {
                command = journal.redo(redoCallback);
            }
            if ((journal.getPointer() == 0l) || (command instanceof StopUndoPointCommand)) {
                rFrame.setVisible(false);
                continue;
            } else
                exist = true;
            if (!(command instanceof EndUserTransactionCommand))
                throw new Exception();
        } catch (Exception e) {
            e.printStackTrace();
            while (journal.canUndo()) {
                if (journal.undo() instanceof StartUserTransactionCommand)
                    break;
            }
        }
    }
    if (!exist) {
        try {
            ((FileIEngineImpl) engine.getDeligate()).close();
            for (Journal journal : journals) journal.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return false;
    }
    ((FileIEngineImpl) engine.getDeligate()).recoveryStreams();
    engine.setPluginProperty(CORE, "Changed", Boolean.TRUE);
    engine.setActiveBranch(-1l);
    final AccessRules accessor = database.getAccessRules(null);
    rFrame.setVisible(false);
    Runnable runnable = new Runnable() {

        @Override
        public void run() {
            SplashScreen screen = new SplashScreen() {

                /**
                 */
                private static final long serialVersionUID = -2727237354089088151L;

                @Override
                protected String getImageName() {
                    return Runner.this.getSplashImageName();
                }
            };
            screen.setLocationRelativeTo(null);
            screen.setVisible(true);
            final JFrame frame = openInNewWindows(engine, accessor, sourceFile, true);
            SwingUtilities.invokeLater(new Runnable() {

                @Override
                public void run() {
                    String recovered = GlobalResourcesManager.getString("File.Recovered");
                    frame.setTitle(frame.getTitle() + " " + recovered);
                }
            });
            screen.setVisible(false);
        }
    };
    recoveredCount++;
    Thread thread = new Thread(runnable);
    thread.start();
    return true;
}

Example 2 with EndUserTransactionCommand

use of com.ramussoft.common.journal.command.EndUserTransactionCommand in project ramus by Vitaliy-Yakovchuk.

the class Journal method rollbackUserTransaction.

@Override
public void rollbackUserTransaction() {
    Command command;
    while (!((command = undo()) instanceof StartUserTransactionCommand)) {
        if (command instanceof EndUserTransactionCommand) {
            redo();
            throw new RuntimeException("Trying to rollback commited transaction");
        }
    }
    ;
    transaction = false;
    try {
        if (accessFile.length() > accessFile.getFilePointer()) {
            accessFile.setLength(accessFile.getFilePointer());
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

Example 3 with EndUserTransactionCommand

use of com.ramussoft.common.journal.command.EndUserTransactionCommand in project ramus by Vitaliy-Yakovchuk.

the class Journal method commitUserTransaction.

@Override
public void commitUserTransaction() {
    synchronized (this) {
        if (checkThreads) {
            if (userTransactionThread != Thread.currentThread())
                return;
        }
        if (!transaction)
            throw new RuntimeException("Transaction is not started");
        transaction = false;
        EndUserTransactionCommand command = new EndUserTransactionCommand(null);
        store(command);
        if (checkThreads) {
            userTransactionThread = null;
        }
    }
}

Example 4 with EndUserTransactionCommand

use of com.ramussoft.common.journal.command.EndUserTransactionCommand in project ramus by Vitaliy-Yakovchuk.

the class Journal method redoUserTransaction.

@Override
public void redoUserTransaction() {
    int counter = 0;
    try {
        Command command = redo();
        counter++;
        if (!(command instanceof StartUserTransactionCommand)) {
            throw new Exception("Command is not user transaction");
        }
        while (!(redo() instanceof EndUserTransactionCommand)) {
            counter++;
        }
    } catch (Exception e) {
        e.printStackTrace();
        while (counter > 0) {
            counter--;
            undo();
        }
    }
}

Example 5 with EndUserTransactionCommand

use of com.ramussoft.common.journal.command.EndUserTransactionCommand in project ramus by Vitaliy-Yakovchuk.

the class Journal method undoUserTransaction.

@Override
public void undoUserTransaction() {
    int counter = 0;
    try {
        Command command = undo();
        counter++;
        if (!(command instanceof EndUserTransactionCommand)) {
            throw new Exception("Command is not user transaction");
        }
        while (!((command = undo()) instanceof StartUserTransactionCommand)) {
            counter++;
        }
    } catch (Exception e) {
        e.printStackTrace();
        while (counter > 0) {
            counter--;
            redo();
        }
    }
}