/// <summary>
/// Applies the action on each value in the paginated response.
/// </summary>
/// <typeparam name="TType">The type of the response.</typeparam>
/// <param name="getFirstPage">The function that returns the first page.</param>
/// <param name="getNextPage">The function that returns subsequent pages.</param>
/// <param name="cancellationToken">The cancellation token.</param>
public static TType[] Enumerate <TType>(
Func <Task <ResponseWithContinuation <TType[]> > > getFirstPage,
Func <string, Task <ResponseWithContinuation <TType[]> > > getNextPage,
CancellationToken?cancellationToken)
{
var result = new List <TType>();
ResponseWithContinuation <TType[]> batch = null;
while ((cancellationToken.HasValue && !cancellationToken.Value.IsCancellationRequested) && (batch == null || !string.IsNullOrWhiteSpace(batch.NextLink)))
{
cancellationToken.Value.ThrowIfCancellationRequested();
batch = batch == null
? getFirstPage().Result
: getNextPage(batch.NextLink).Result;
if (batch == null)
{
return(result.ToArray());
}
result.AddRange(batch.Value.CoalesceEnumerable());
}
return(result.ToArray());
}
/// <summary>
/// Applies the action on each value in the paginated response.
/// </summary>
/// <typeparam name="TType">The type of the response.</typeparam>
/// <param name="getFirstPage">The function that returns the first page.</param>
/// <param name="getNextPage">The function that returns subsequent pages.</param>
/// <param name="action">The action to apply.</param>
/// <param name="cancellationToken">The cancellation token.</param>
public static void ForEach <TType>(
Func <Task <ResponseWithContinuation <TType[]> > > getFirstPage,
Func <string, Task <ResponseWithContinuation <TType[]> > > getNextPage,
CancellationToken?cancellationToken,
Action <TType[]> action)
{
ResponseWithContinuation <TType[]> batch = null;
while ((cancellationToken.HasValue && !cancellationToken.Value.IsCancellationRequested) && (batch == null || !string.IsNullOrWhiteSpace(batch.NextLink)))
{
cancellationToken.Value.ThrowIfCancellationRequested();
batch = batch == null
? getFirstPage().Result
: getNextPage(batch.NextLink).Result;
if (batch == null)
{
return;
}
action(batch.Value);
}
}
