/// <summary>
/// Checks if correspondng table of data source is exist at backend
/// </summary>
/// <param name="dataSourceDefinition"></param>
/// <returns>returns true if table exists</returns>
private bool IsTableExist(DataSourceDefinition dataSourceDefinition)
{
GatewayCommandFileExist fileExistCommand = GatewayCommandsFactory.CreateFileExistCommand(dataSourceDefinition.Name, dataSourceDefinition,
ClientManager.Instance.LocalManager);
GatewayResult result = fileExistCommand.Execute();
return(result.Success);
}
/// <summary>
/// Execute File delete gateway command.
/// </summary>
/// <returns></returns>
internal override ReturnResultBase Execute()
{
ReturnResultBase result = new ReturnResult();
bool exist = false;
int dataSourceNumber = clientDbDelCommand.DataSourceNumber;
string dataSourceName = clientDbDelCommand.DataSourceName;
DataSourceDefinition dataSourceDefintion = ClientManager.Instance.LocalManager.ApplicationDefinitions.DataSourceDefinitionManager.GetDataSourceDefinition(Task.getCtlIdx(), dataSourceNumber);
//If Wrong Data Source Number is Given
if (dataSourceDefintion == null)
{
Logger.Instance.WriteExceptionToLog("ClientDbDel - Invalid Data Source Number");
result = new ReturnResult(MsgInterface.STR_CLIENT_DB_DEL_OPERATION_FAILED);
}
else
{
if (string.IsNullOrEmpty(dataSourceName))
{
dataSourceName = dataSourceDefintion.Name;
}
//Check for Table exist or not.
if (dataSourceDefintion.CheckExist == 'N')
{
exist = true;
}
else
{
GatewayCommandFileExist dbFileExistCommand = GatewayCommandsFactory.CreateFileExistCommand(dataSourceName, dataSourceDefintion, LocalDataviewManager.LocalManager);
result = dbFileExistCommand.Execute();
exist = result.Success;
}
//If Table exists then go for file delete operation.
if (exist)
{
GatewayCommandFileDelete dbDeleteCommand = GatewayCommandsFactory.CreateFileDeleteCommand(dataSourceName, dataSourceDefintion, LocalDataviewManager.LocalManager);
if (!dbDeleteCommand.Execute().Success)
{
Logger.Instance.WriteExceptionToLog("ClientDbDel - Cannot delete Table");
result = new ReturnResult(MsgInterface.STR_CLIENT_DB_DEL_OPERATION_FAILED);
}
}
else
{
Logger.Instance.WriteExceptionToLog(string.Format("ClientDbDel - {0}", result.ErrorDescription));
result = new ReturnResult(MsgInterface.STR_CLIENT_DB_DEL_OPERATION_FAILED);
}
}
return(result);
}