/// <summary>
/// Handles the save result.
/// </summary>
/// <param name="result">The result</param>
/// <returns></returns>
private static bool HandleSaveResult(SaveResult result)
{
switch (result)
{
case SaveResult.Skipped:
return(false);
case SaveResult.Success:
return(true);
case SaveResult.Conflict:
throw new UpdateConflictException("A synchronization conflict was detected during the update");
case SaveResult.Fail:
throw new SaveFailedException("The save appears to have failed for an unknown reason, or did not affect the expected number of records");
default:
throw new ArgumentException("Unrecognized or invalid SaveResult");
}
}
/// <summary>
/// Saves the collection.
/// </summary>
/// <param name="collection">The collection.</param>
/// <param name="criteria">The criteria of type <see cref="Zonkey.UpdateCriteria"/>.</param>
/// <param name="affect">The <see cref="Zonkey.UpdateAffect"/> value that determines which rows to affect.</param>
/// <param name="selectBack">The <see cref="Zonkey.SelectBack"/> value that determines whether to select back the changed rows.</param>
/// <param name="continueOnError">if set to <c>true</c> continues past errors.</param>
/// <returns>
/// A value of type <see cref="Zonkey.CollectionSaveResult{T}"/>
/// </returns>
public CollectionSaveResult <T> TrySaveCollection(ICollection <T> collection, UpdateCriteria criteria, UpdateAffect affect, SelectBack selectBack, bool continueOnError)
{
var colResult = new CollectionSaveResult <T>();
var bindCol = collection as ITrackDeletedItems <T>;
if (bindCol != null)
{
foreach (T obj in bindCol.DeletedItems)
{
var objSV = obj as ISavable;
if (objSV != null)
{
if (objSV.DataRowState == DataRowState.Deleted)
{
try
{
DeleteItem(obj);
}
catch (Exception ex)
{
colResult.Exceptions.Add(new CollectionSaveExceptionItem <T>(obj, ex));
if (!continueOnError)
{
throw;
}
}
colResult.Deleted.Add(obj);
}
else
{
colResult.Skipped.Add(obj);
}
}
else
{
colResult.Failed.Add(obj);
}
}
}
foreach (T obj in collection)
{
var objSV = obj as ISavable;
if (objSV != null)
{
if (objSV.DataRowState != DataRowState.Unchanged)
{
try
{
SaveResult saveResult = TrySave(obj, criteria, affect, selectBack);
switch (saveResult.Status)
{
case SaveResultStatus.Skipped:
colResult.Skipped.Add(obj);
break;
case SaveResultStatus.Conflict:
colResult.Conflicted.Add(obj);
break;
case SaveResultStatus.Fail:
colResult.Failed.Add(obj);
break;
case SaveResultStatus.Success:
if (saveResult.SaveType == SaveType.Insert)
{
colResult.Inserted.Add(obj);
}
else
{
colResult.Updated.Add(obj);
}
break;
}
}
catch (Exception ex)
{
colResult.Exceptions.Add(new CollectionSaveExceptionItem <T>(obj, ex));
if (!continueOnError)
{
throw;
}
}
}
else
{
colResult.Skipped.Add(obj);
}
}
else
{
colResult.Failed.Add(obj);
}
}
return(colResult);
}
