internal void BeginInstallVersion(DatabaseVersion version, SqlConnection connection, SqlTransaction transaction)
{
// Verify that this version really should be installed
var installedVersion = GetCurrentInstalledVersionAndValidatePreInstallationState(version, connection, transaction);
// Update information that this installation is beginning to install now, make sure that no one is in between, throw is someone is
int result = _versionStorage.StartInstallation(installedVersion, connection, transaction);
if (result != 1)
{
throw new InvalidOperationException(string.Format("Starting installation for version {0} for {1} failed with count {2}", version.Version, version.InstallationName, result));
}
}
internal void SetVersionInstalled(DatabaseVersion version, SqlConnection connection, SqlTransaction transaction)
{
InstallationNameAndVersion installedVersion = GetCurrentInstalledVersionAndValidatePostInstallationState(version, connection, transaction);
// Update information that this installation is ended now, make sure that no one is in between, throw is someone is
int result = _versionStorage.EndInstallation(installedVersion, connection, transaction);
if (result != 1)
{
throw new InvalidOperationException(string.Format("Starting installation for version {0} for {1} failed with count {2}", version.Version, version.InstallationName, result));
}
}
private InstallationNameAndVersion GetCurrentInstalledVersionAndValidatePreInstallationState(DatabaseVersion version, SqlConnection connection, SqlTransaction transaction)
{
// Get installation row from database
var installedVersion = GetInstalledVersion(version.InstallationName, connection, transaction);
if (installedVersion.InstalledVersion >= version.Version)
{
throw new InvalidOperationException(string.Format("Version ({0}) is already installed for {1}", version.Version, version.InstallationName));
}
if (installedVersion.StartedInstallingVersion >= version.Version)
{
throw new InvalidOperationException(string.Format("Version ({0}) installation is already in progress for {1}", version.Version, version.InstallationName));
}
if (installedVersion.StartedInstallingVersion != version.Version - 1)
{
throw new InvalidOperationException(string.Format("Unknown version missmatch in version ({0}) for {1}", version.Version, version.InstallationName));
}
return installedVersion;
}
private InstallationNameAndVersion GetCurrentInstalledVersionAndValidatePostInstallationState(DatabaseVersion version, SqlConnection connection, SqlTransaction transaction)
{
// Get installation row from database
var installedVersion = GetInstalledVersion(version.InstallationName, connection, transaction);
// Verify that this version really should have been installed now
if (installedVersion.InstalledVersion >= version.Version)
{
throw new InvalidOperationException(string.Format("Version ({0}) is already installed for {1}", version.Version, version.InstallationName));
}
if (installedVersion.StartedInstallingVersion != version.Version)
{
throw new InvalidOperationException(string.Format("Version ({0}) is not in progress for {1} as it should be", version.Version, version.InstallationName));
}
return installedVersion;
}
