public virtual Recordset FetchRecordset(DbService dbService, bool addFields)
{
if (dbService == null)
{
throw new ArgumentNullException("dbService");
}
var source = dbService.Source as DbSource;
if (source != null)
{
switch (source.ServerType)
{
case enSourceType.SqlDatabase:
{
var broker = CreateDatabaseBroker();
var outputDescription = broker.TestService(dbService);
if (outputDescription == null || outputDescription.DataSourceShapes == null || outputDescription.DataSourceShapes.Count == 0)
{
throw new Exception("Error retrieving shape from service output.");
}
dbService.Recordset.Name = dbService.Recordset.Name.Replace(".", "_");
dbService.Recordset.Fields.Clear();
ServiceMappingHelper smh = new ServiceMappingHelper();
smh.MapDbOutputs(outputDescription, ref dbService, addFields);
return(dbService.Recordset);
}
case enSourceType.MySqlDatabase:
{
var broker = new MySqlDatabaseBroker();
var outputDescription = broker.TestService(dbService);
if (outputDescription == null || outputDescription.DataSourceShapes == null || outputDescription.DataSourceShapes.Count == 0)
{
throw new Exception("Error retrieving shape from service output.");
}
dbService.Recordset.Name = dbService.Recordset.Name.Replace(".", "_");
dbService.Recordset.Fields.Clear();
ServiceMappingHelper smh = new ServiceMappingHelper();
smh.MySqlMapDbOutputs(outputDescription, ref dbService, addFields);
return(dbService.Recordset);
}
default: return(null);
}
}
return(null);
// Clear out the Recordset.Fields list because the sequence and
// number of fields may have changed since the last invocation.
//
// Create a copy of the Recordset.Fields list before clearing it
// so that we don't lose the user-defined aliases.
//
}
private Recordset FetchDbSourceRecordset(ref DbService dbService, bool addFields, DbSource source)
{
switch (source.ServerType)
{
case enSourceType.SqlDatabase:
{
var broker = new SqlDatabaseBroker
{
CommandTimeout = dbService.CommandTimeout
};
var outputDescription = broker.TestService(dbService);
if (outputDescription?.DataSourceShapes == null || outputDescription.DataSourceShapes.Count == 0)
{
throw new Exception(ErrorResource.ErrorRetrievingShapeFromServiceOutput);
}
if (dbService.Recordset != null)
{
dbService.Recordset.Name = dbService.Method.ExecuteAction;
if (dbService.Recordset.Name != null)
{
dbService.Recordset.Name = dbService.Recordset.Name.Replace(".", "_");
}
dbService.Recordset.Fields.Clear();
var smh = new ServiceMappingHelper();
smh.MapDbOutputs(outputDescription, ref dbService, addFields);
}
return(dbService.Recordset);
}
case enSourceType.MySqlDatabase:
{
var broker = new MySqlDatabaseBroker
{
CommandTimeout = dbService.CommandTimeout
};
var outputDescription = broker.TestService(dbService);
if (outputDescription?.DataSourceShapes == null || outputDescription.DataSourceShapes.Count == 0)
{
throw new Exception(ErrorResource.ErrorRetrievingShapeFromServiceOutput);
}
dbService.Recordset.Fields.Clear();
var smh = new ServiceMappingHelper();
smh.MySqlMapDbOutputs(outputDescription, ref dbService, addFields);
return(dbService.Recordset);
}
case enSourceType.SQLiteDatabase:
{
var broker = new SqliteDatabaseBroker
{
CommandTimeout = dbService.CommandTimeout
};
var outputDescription = broker.TestService(dbService);
if (outputDescription?.DataSourceShapes == null || outputDescription.DataSourceShapes.Count == 0)
{
throw new Exception(ErrorResource.ErrorRetrievingShapeFromServiceOutput);
}
dbService.Recordset.Fields.Clear();
var smh = new ServiceMappingHelper();
smh.MySqlMapDbOutputs(outputDescription, ref dbService, addFields);
return(dbService.Recordset);
}
case enSourceType.PostgreSQL:
{
var broker = new PostgreSqlDataBaseBroker
{
CommandTimeout = dbService.CommandTimeout
};
var outputDescription = broker.TestService(dbService);
if (outputDescription?.DataSourceShapes == null || outputDescription.DataSourceShapes.Count == 0)
{
throw new Exception(ErrorResource.ErrorRetrievingShapeFromServiceOutput);
}
dbService.Recordset.Fields.Clear();
var smh = new ServiceMappingHelper();
smh.MySqlMapDbOutputs(outputDescription, ref dbService, addFields);
return(dbService.Recordset);
}
case enSourceType.Oracle:
{
var broker = new OracleDatabaseBroker
{
CommandTimeout = dbService.CommandTimeout
};
var outputDescription = broker.TestService(dbService);
if (outputDescription?.DataSourceShapes == null || outputDescription.DataSourceShapes.Count == 0)
{
throw new Exception(ErrorResource.ErrorRetrievingShapeFromServiceOutput);
}
dbService.Recordset.Fields.Clear();
var smh = new ServiceMappingHelper();
smh.MapDbOutputs(outputDescription, ref dbService, addFields);
return(dbService.Recordset);
}
case enSourceType.ODBC:
{
var broker = new ODBCDatabaseBroker
{
CommandTimeout = dbService.CommandTimeout
};
var outputDescription = broker.TestService(dbService);
if (outputDescription?.DataSourceShapes == null || outputDescription.DataSourceShapes.Count == 0)
{
throw new Exception(ErrorResource.ErrorRetrievingShapeFromServiceOutput);
}
dbService.Recordset.Fields.Clear();
var smh = new ServiceMappingHelper();
smh.MapDbOutputs(outputDescription, ref dbService, addFields);
dbService.Recordset.Name = @"Unnamed";
return(dbService.Recordset);
}
default: return(null);
}
}