/*
* DBeaver - Universal Database Manager
* Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jkiss.dbeaver.ui.actions.datasource;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.jobs.IJobChangeEvent;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.jobs.JobChangeAdapter;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
import org.jkiss.dbeaver.DBException;
import org.jkiss.dbeaver.core.DBeaverUI;
import org.jkiss.dbeaver.model.DBPDataSource;
import org.jkiss.dbeaver.model.DBPDataSourceContainer;
import org.jkiss.dbeaver.model.exec.DBCExecutionContext;
import org.jkiss.dbeaver.runtime.jobs.DisconnectJob;
import org.jkiss.dbeaver.runtime.jobs.InvalidateJob;
import org.jkiss.dbeaver.ui.UITask;
import org.jkiss.dbeaver.ui.actions.AbstractDataSourceHandler;
import org.jkiss.dbeaver.ui.dialogs.ConnectionLostDialog;
import org.jkiss.dbeaver.ui.dialogs.StandardErrorDialog;
import org.jkiss.dbeaver.utils.GeneralUtils;
import org.jkiss.utils.ArrayUtils;
// TODO: invalidate ALL contexts
public class DataSourceInvalidateHandler extends AbstractDataSourceHandler
{
@Override
public Object execute(ExecutionEvent event) throws ExecutionException
{
DBCExecutionContext context = getExecutionContext(event, true);
if (context != null) {
execute(HandlerUtil.getActiveShell(event), context);
}
return null;
}
public static void execute(final Shell shell, final DBCExecutionContext context) {
if (context != null) {
//final DataSourceDescriptor dataSourceDescriptor = (DataSourceDescriptor) context;
if (!ArrayUtils.isEmpty(Job.getJobManager().find(context.getDataSource().getContainer()))) {
// Already connecting/disconnecting - just return
return;
}
final InvalidateJob invalidateJob = new InvalidateJob(context);
invalidateJob.addJobChangeListener(new JobChangeAdapter() {
@Override
public void done(IJobChangeEvent event) {
StringBuilder message = new StringBuilder();
Throwable error = null;
int totalNum = 0, connectedNum = 0, aliveNum = 0;
for (InvalidateJob.ContextInvalidateResult result : invalidateJob.getInvalidateResults()) {
totalNum++;
if (result.error != null) {
error = result.error;
}
switch (result.result) {
case CONNECTED:
case RECONNECTED:
connectedNum++;
break;
case ALIVE:
aliveNum++;
break;
default:
break;
}
}
if (connectedNum > 0) {
message.insert(0, "Connections reopened: " + connectedNum + " (of " + totalNum + ")");
} else if (message.length() == 0) {
message.insert(0, "All connections (" + totalNum + ") are alive!");
}
if (error != null) {
// UIUtils.showErrorDialog(
// shell,
// "Invalidate data source [" + context.getDataSource().getContainer().getName() + "]",
// "Error while connecting to the datasource",// + "\nTime spent: " + RuntimeUtils.formatExecutionTime(invalidateJob.getTimeSpent()),
// error);
DBeaverUI.syncExec(new Runnable() {
@Override
public void run() {
}
});
final DBPDataSourceContainer container = context.getDataSource().getContainer();
final Throwable dialogError = error;
final Integer result = new UITask<Integer>() {
@Override
protected Integer runTask() {
ConnectionLostDialog clDialog = new ConnectionLostDialog(shell, container, dialogError, "Disconnect");
return clDialog.open();
}
}.execute();
if (result == IDialogConstants.STOP_ID) {
// Disconnect - to notify UI and reflect model changes
new DisconnectJob(container).schedule();
} else if (result == IDialogConstants.RETRY_ID) {
execute(shell, context);
}
} else {
log.info(message);
}
}
});
invalidateJob.schedule();
}
}
public static void showConnectionLostDialog(final Shell shell, final String message, final DBException error)
{
//log.debug(message);
Runnable runnable = new Runnable() {
@Override
public void run()
{
// Display the dialog
DBPDataSource dataSource = error.getDataSource();
if (dataSource == null) {
throw new IllegalStateException("No data source in error");
}
String title = "Connection with [" + dataSource.getContainer().getName() + "] lost";
ConnectionRecoverDialog dialog = new ConnectionRecoverDialog(shell, title, message == null ? title : message, error);
dialog.open();
}
};
DBeaverUI.syncExec(runnable);
}
private static class ConnectionRecoverDialog extends StandardErrorDialog {
private final DBPDataSource dataSource;
public ConnectionRecoverDialog(Shell shell, String title, String message, DBException error)
{
super(
shell == null ? DBeaverUI.getActiveWorkbenchShell() : shell,
title,
message,
GeneralUtils.makeExceptionStatus(error),
IStatus.ERROR);
dataSource = error.getDataSource();
}
@Override
protected void createButtonsForButtonBar(Composite parent)
{
createButton(parent, IDialogConstants.RETRY_ID, "Reconnect", true);
createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, false);
createDetailsButton(parent);
}
@Override
protected void buttonPressed(int id)
{
if (id == IDialogConstants.RETRY_ID) {
execute(
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
dataSource.getDefaultContext(false));
super.buttonPressed(IDialogConstants.OK_ID);
}
super.buttonPressed(id);
}
}
}