/// <summary>
/// Extension method to process the result of an asynchronous save operation.
/// </summary>
/// <param name="source"> The EntitySaveOperation returned from an asynchronous save. </param>
/// <param name="onSuccess"> A callback to be called if the asynchronous save was successful. </param>
/// <param name="onFail"> A callback to be called if the asynchronous save failed. </param>
/// <returns> Returns the EntitySaveOperation passed to the method's source parameter. </returns>
/// <example>
/// <code title="Example" description="" lang="CS">public OperationResult<SaveResult> Save(Action<SaveResult> onSuccess = null, Action<Exception> onFail = null)
/// {
/// EntitySaveOperation op = Manager.SaveChangesAsync();
/// return op.OnComplete(onSuccess, onFail).AsOperationResult();
/// }</code>
/// </example>
public static EntitySaveOperation OnComplete(this EntitySaveOperation source,
Action <SaveResult> onSuccess, Action <Exception> onFail)
{
source.Completed += (s, args) =>
{
if (args.CompletedSuccessfully)
{
if (onSuccess != null)
{
onSuccess(args.SaveResult);
}
}
if (args.HasError && !args.IsErrorHandled && onFail != null)
{
args.MarkErrorAsHandled();
onFail(args.Error);
}
};
return(source);
}
/// <summary>
/// Gets an awaiter used to await this operation.
/// </summary>
/// <param name="operation"> The operation to await. </param>
public static TaskAwaiter <SaveResult> GetAwaiter(this EntitySaveOperation operation)
{
return(operation.AsOperationResult().GetAwaiter());
}
/// <summary>
/// Returns an implementation of <see cref="OperationResult{T}" /> that wraps a DevForce asynchronous function and provides access to the operation's result value.
/// </summary>
/// <param name="asyncOp"> DevForce asynchronous operation. </param>
/// <returns> OperationResult encapsulating the provided DevForce asynchronous operation. </returns>
public static OperationResult <SaveResult> AsOperationResult(this EntitySaveOperation asyncOp)
{
return(new EntitySaveOperationResult(asyncOp));
}
public EntitySaveOperationResult(EntitySaveOperation entitySaveOperation)
: base(entitySaveOperation)
{
_entitySaveOperation = entitySaveOperation;
}
