public async Task <object> ExecuteCommand(DataCommand dataCommand, List <ScreenDataCommandParameter> parameters, string commandText)
{
object retVal = null;
try
{
DataCommandPreProcessorArgs preArgs = ProcessDataCommandPreProcessor(dataCommand, parameters);
bool SkipExecution = false;
if (preArgs != null)
{
SkipExecution = preArgs.SkipExecution;
if (preArgs.Data != null)
{
retVal = preArgs.Data;
}
}
if (!SkipExecution)
{
DataConnection connection = dataCommand.GetDataConnection();
if (connection == null)
{
throw new Exception(String.Format("Data Connection could not be found in configuration - {0}", dataCommand.DataConnection));
}
IDataCommandProvider dataSource = GetProvider(connection);
retVal = await dataSource.ExecuteCommand(
connection,
dataCommand,
parameters,
commandText,
success =>
{
DataCommandPostProcessorArgs postArgs = ProcessDataCommandPostProcessor(dataCommand, parameters, retVal);
if (postArgs != null)
{
retVal = postArgs.Data;
}
},
error => {
throw error;
});
}
}
catch (Exception ex)
{
Common.LogException(ex);
throw ex;
}
return(retVal);
}
public async Task <XDocument> GetXmlData(DataCommand dataCommand, List <ScreenDataCommandParameter> parameters, string commandText)
{
XDocument retVal = null;
DataCommandPreProcessorArgs preArgs = ProcessDataCommandPreProcessor(dataCommand, parameters);
bool SkipExecution = false;
if (preArgs != null)
{
SkipExecution = preArgs.SkipExecution;
if (preArgs.Data != null)
{
if (preArgs.Data is XDocument)
{
retVal = (XDocument)preArgs.Data;
}
}
}
if (!SkipExecution)
{
DataConnection connection = dataCommand.GetDataConnection();
if (connection == null)
{
throw new Exception(String.Format("Data Connection could not be found in configuration - {0}", dataCommand.DataConnection));
}
IDataCommandProvider DataSource = GetProvider(connection);
retVal = await DataSource.GetXmlData(
connection,
dataCommand,
parameters,
commandText,
success =>
{
DataCommandPostProcessorArgs postArgs = ProcessDataCommandPostProcessor(dataCommand, parameters, retVal);
if (postArgs != null)
{
if (postArgs.Data is XDocument)
{
retVal = (XDocument)postArgs.Data;
}
}
},
error => {
throw error;
});
}
return(retVal);
}
public object ExecuteCommand(DbTransaction tran, DataCommand dataCommand, List <ScreenDataCommandParameter> parameters, string commandText)
{
DataConnection connection = dataCommand.GetDataConnection();
return(ExecuteCommand(tran, connection, dataCommand, parameters, commandText));
}
public XmlDocument GetXmlData(DbTransaction tran, DataCommand dataCommand, List <ScreenDataCommandParameter> parameters, string commandText)
{
DataConnection connection = dataCommand.GetDataConnection();
return(GetXmlData(tran, connection, dataCommand, parameters, commandText));
}
public Task <DataTable> GetData(DataCommand dataCommand, List <ScreenDataCommandParameter> parameters, string commandText)
{
TaskCompletionSource <DataTable> taskDT = new TaskCompletionSource <DataTable>();
DataCommandPreProcessorArgs preArgs = ProcessDataCommandPreProcessor(dataCommand, parameters);
bool SkipExecution = false;
if (preArgs != null)
{
SkipExecution = preArgs.SkipExecution;
}
if (SkipExecution)
{
if (preArgs.Data != null)
{
if (preArgs.Data is DataTable)
{
taskDT.SetResult((DataTable)preArgs.Data);
}
}
}
else
{
DataConnection connection = dataCommand.GetDataConnection();
if (connection == null)
{
taskDT.SetException(new Exception(String.Format("Data Connection could not be found in configuration - {0}", dataCommand.DataConnection)));
}
IDataCommandProvider dataSource = GetProvider(connection);
var result = dataSource.GetData(
connection,
dataCommand,
parameters,
commandText,
success =>
{
DataCommandPostProcessorArgs postArgs = ProcessDataCommandPostProcessor(dataCommand, parameters, success);
if (postArgs != null)
{
if (postArgs.Data is DataTable)
{
taskDT.SetResult((DataTable)postArgs.Data);
}
else
{
taskDT.SetResult(success);
}
}
else
{
taskDT.SetResult(success);
}
},
error => {
taskDT.SetException(error);
});
}
return(taskDT.Task);
}
