/// <summary>
/// Event handler for handling data for the oracle data repository.
/// </summary>
/// <param name="sender">Object which raises the event.</param>
/// <param name="eventArgs">Arguments to the event.</param>
private void OnHandleOracleData(object sender, IHandleDataEventArgs eventArgs)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (eventArgs == null)
{
throw new ArgumentNullException("eventArgs");
}
var recordFilters = eventArgs.Table.RecordFilters;
if (OnHandleData == null)
{
return;
}
if (recordFilters.Count == 0)
{
var data = new List <IEnumerable <IDataObjectBase> >(_dataManipulators.ManipulateData(eventArgs.Table, eventArgs.Data, eventArgs.EndOfData));
try
{
OnHandleData.Invoke(this, new HandleOracleDataEventArgs(eventArgs.Table, data, eventArgs.EndOfData));
return;
}
finally
{
while (data.Count > 0)
{
data.Clear();
}
}
}
var result = new List <IEnumerable <IDataObjectBase> >(eventArgs.Data.Where(m => recordFilters.Any(recordFilter => !recordFilter.Exclude(m))));
try
{
var data = new List <IEnumerable <IDataObjectBase> >(_dataManipulators.ManipulateData(eventArgs.Table, result, eventArgs.EndOfData));
try
{
OnHandleData.Invoke(this, new HandleOracleDataEventArgs(eventArgs.Table, data, eventArgs.EndOfData));
}
finally
{
while (data.Count > 0)
{
data.Clear();
}
}
}
finally
{
while (result.Count > 0)
{
result.Clear();
}
}
}
/// <summary>
/// Gets data from a table.
/// </summary>
/// <param name="table">Table from where data should be returned.</param>
public virtual void DataGetFromTable(ITable table)
{
if (table == null)
{
throw new ArgumentNullException("table");
}
try
{
IList <FileInfo> tableFiles;
if (!_tableDictionary.TryGetValue(table.NameSource.ToUpper(), out tableFiles))
{
throw new DeliveryEngineRepositoryException(Resource.GetExceptionMessage(ExceptionMessage.TableNotFound, table.NameSource));
}
var records = new List <List <IDataObjectBase> >();
try
{
foreach (var tableFile in tableFiles)
{
using (var fileStream = tableFile.Open(FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (var streamReader = new StreamReader(fileStream, Encoding.Default))
{
while (!streamReader.EndOfStream)
{
var record = ReadRecordFromTable(table, streamReader);
records.Add(record);
if (records.Count < 1024)
{
continue;
}
if (OnHandleData == null)
{
records.Clear();
continue;
}
OnHandleData.Invoke(this, new HandleOldToNewDataEventArgs(table, records, false));
while (records.Count > 0)
{
while (records.ElementAt(0).Count > 0)
{
records.ElementAt(0).Clear();
}
records.RemoveAt(0);
}
}
streamReader.Close();
}
fileStream.Close();
}
}
if (OnHandleData != null)
{
OnHandleData.Invoke(this, new HandleOldToNewDataEventArgs(table, records, true));
}
}
finally
{
while (records.Count > 0)
{
while (records.ElementAt(0).Count > 0)
{
records.ElementAt(0).Clear();
}
records.RemoveAt(0);
}
}
}
catch (DeliveryEngineSystemException)
{
throw;
}
catch (DeliveryEngineRepositoryException)
{
throw;
}
catch (Exception ex)
{
throw new DeliveryEngineRepositoryException(Resource.GetExceptionMessage(ExceptionMessage.RepositoryError, MethodBase.GetCurrentMethod().Name, ex.Message), ex);
}
}
