// private const String MYSQL_DB = "mysql";
#endregion
#region Methods
/// <summary>
/// Determines the type of database we're configured to use and returns the appropriate connection
/// object
/// </summary>
/// <returns></returns>
public DbConnection getConnection()
{
/*
* Determine the type of database we're configured to use
*/
log.Debug("Getting configuration information from ConfigurationManager");
MigrationConfigurationManager configMgr = new MigrationConfigurationManager();
DBConfiguration dbConfig = configMgr.getDBConfiguration();
/*
* Determine the type of DB
*/
if (dbConfig.DatabaseType == ORACLE_DB)
{
return getOracleConnection(dbConfig);
}
return getSQLConnection(dbConfig);
//TODO: throw exception if configured for a different database type
}
/// <summary> Loads the configuration from the migration config properties file.
///
/// </summary>
/// <param name="launcher">the launcher to configure
/// </param>
/// <param name="systemName">the name of the system
/// </param>
/// <throws> MigrationException if an unexpected error occurs </throws>
private void configureFromMigrationProperties(AdoMigrationLauncher launcher, System.String systemName)
{
MigrationConfigurationManager configMgr = new MigrationConfigurationManager();
DBConfiguration dbConfig = configMgr.getDBConfiguration();
MigrationConfiguration migrationConfig = configMgr.getMigrationConfiguration();
launcher.PatchPath = migrationConfig.PatchPath;
launcher.PostPatchPath = migrationConfig.PostPatchPath;
DataSourceMigrationContext context = DataSourceMigrationContext;
System.String databaseType = dbConfig.DatabaseType;
context.DatabaseType = new DatabaseType(databaseType);
// Finish setting up the context
context.SystemName = systemName;
//context.DataSource = dataSource;
// done reading in config, set launcher's context
launcher.AddContext(context);
}
/// <summary>
///
/// </summary>
public override void initialize()
{
try
{
//TODO: must create way to get System name from configuration.
MigrationConfigurationManager configMgr = new MigrationConfigurationManager();
MigrationConfiguration migrationConfig = configMgr.getMigrationConfiguration();
// The MigrationLauncher is responsible for handling the interaction
// between the PatchTable and the underlying MigrationTasks; as each
// task is executed, the patch level is incremented, etc.
try
{
AdoMigrationLauncherFactory launcherFactory = AdoMigrationLauncherFactoryLoader.createFactory();
AdoMigrationLauncher launcher = launcherFactory.createMigrationLauncher(migrationConfig.SystemName);
launcher.DoMigrations();
//firstRun = false;
}
catch (MigrationException e)
{
// Runtime exceptions coming from a ServletContextListener prevent the
// application from being deployed. In this case, the intention is
// for migration-enabled applications to fail-fast if there are any
// errors during migration.
throw new ApplicationException("Migration exception caught during migration", e);
}
}
catch (System.SystemException e)
{
// Catch all exceptions for the sole reason of logging in
// as many places as possible - debugging migration
// problems requires detection first, and that means
// getting the word of failures out.
log.Error(e.StackTrace);
System.Console.Out.WriteLine(e.Message);
System.Console.Error.WriteLine(e.Message);
throw e;
}
}
public static void Main(System.String[] arguments)
{
MigrationConfigurationManager configMgr = new MigrationConfigurationManager();
MigrationConfiguration migrationConfig = configMgr.getMigrationConfiguration();
String systemName = migrationConfig.SystemName;
// The MigrationLauncher is responsible for handling the interaction
// between the PatchTable and the underlying MigrationTasks; as each
// task is executed, the patch level is incremented, etc.
try
{
AdoMigrationLauncherFactory launcherFactory = AdoMigrationLauncherFactoryLoader.createFactory();
AdoMigrationLauncher launcher = launcherFactory.createMigrationLauncher(systemName);
launcher.DoMigrations();
}
catch (System.Exception e)
{
log.Error(e);
throw e;
}
}
