/// <summary>
/// Determines whether the item is installed.
/// </summary>
/// <param name="installationContext">The installation context.</param>
/// <returns>
/// Value indicating whether the item is installed or null if it is not possible to determine.
/// </returns>
public bool? IsInstalled(InstallationContext installationContext)
{
return null;
}
private void RunInstallCommands(InstallationContext installationContext, IEnumerable<DatabaseCommandInfo> commands)
{
// create log event that will be used to render all layouts
LogEventInfo logEvent = installationContext.CreateLogEvent();
try
{
foreach (var commandInfo in commands)
{
string cs;
if (commandInfo.ConnectionString != null)
{
// if there is connection string specified on the command info, use it
cs = commandInfo.ConnectionString.Render(logEvent);
}
else if (this.InstallConnectionString != null)
{
// next, try InstallConnectionString
cs = this.InstallConnectionString.Render(logEvent);
}
else
{
// if it's not defined, fall back to regular connection string
cs = this.BuildConnectionString(logEvent);
}
this.EnsureConnectionOpen(cs);
var command = this.activeConnection.CreateCommand();
command.CommandType = commandInfo.CommandType;
command.CommandText = commandInfo.Text.Render(logEvent);
try
{
installationContext.Trace("Executing {0} '{1}'", command.CommandType, command.CommandText);
command.ExecuteNonQuery();
}
catch (Exception exception)
{
if (exception.MustBeRethrown())
{
throw;
}
if (commandInfo.IgnoreFailures || installationContext.IgnoreFailures)
{
installationContext.Warning(exception.Message);
}
else
{
installationContext.Error(exception.Message);
throw;
}
}
}
}
finally
{
this.CloseConnection();
}
}
/// <summary>
/// Performs uninstallation which requires administrative permissions.
/// </summary>
/// <param name="installationContext">The installation context.</param>
public void Uninstall(InstallationContext installationContext)
{
this.RunInstallCommands(installationContext, this.UninstallDdlCommands);
}
