/// <summary>
/// Gets the block of contiguous time series entries for the specific time series stream container segment.
/// </summary>
/// <param name="fragment">The time series stream block to get the block of contiguous time series entries for.</param>
/// <param name="lower">The lower date and time interval boundary to get the nodes for.</param>
/// <param name="upper">The upper date and time interval boundary to get the nodes for.</param>
/// <returns>The sequence of contiguous time series entries contained within the required time series stream container segment.</returns>
public IEnumerable <T> Get(TimelineStream <T> .Fragment fragment, DateTime?lower = null, DateTime?upper = null)
{
if (fragment != null)
{
var lowerEntry = fragment.LowerEntry;
if (lower != null)
{
while (lowerEntry?.Sample < lower)
{
lowerEntry = lowerEntry.Next;
}
}
var upperEntry = fragment.UpperEntry;
if (upper != null)
{
while (upperEntry?.Sample > upper)
{
upperEntry = upperEntry.Prev;
}
}
if (lowerEntry != null && upperEntry != null)
{
return(new Incrementor.Collection(this, lowerEntry, upperEntry));
}
else
{
return(Array.Empty <T>());
}
}
else
{
throw new ArgumentNullException(nameof(fragment));
}
}
/// <summary>
/// Removes the array of nodes from the double linked collection.
/// </summary>
/// <param name="fragment">The time series stream block to get the block of contiguous time series entries for.</param>
/// <param name="lower">The lower date and time interval boundary to remove the nodes for.</param>
/// <param name="upper">The upper date and time interval boundary to remove the nodes for.</param>
/// <returns>The specified array of nodes removed from the double linked collection.</returns>
public Timeline <T> Remove(TimelineStream <T> .Fragment fragment, DateTime?lower = null, DateTime?upper = null)
{
return(CoreRemove(Get(fragment, lower, upper)));
}