public DateHistogramFacetDescriptor <T> Interval(DateInterval interval, DateRounding dateRounding)
{
var intervalString = Enum.GetName(typeof(DateInterval), interval).ToLower();
var roundingString = Enum.GetName(typeof(DateRounding), dateRounding).ToLower();
this._Interval = intervalString + ":" + roundingString;
return(this);
}
public DateHistogramFacetDescriptor <T> Interval(DateInterval interval, DateRounding dateRounding)
{
var intervalString = interval.GetStringValue();
var roundingString = dateRounding.GetStringValue();
Self.Interval = intervalString + ":" + roundingString;
return(this);
}
/// <summary>
/// Added to support custom date intervals on date histogram facet. Eg: "5s" for 5 seconds interval.
/// http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-facets-date-histogram-facet.html#_interval
/// </summary>
/// <param name="interval">Custom interval string</param>
/// <param name="dateRounding">Date rounding type</param>
/// <returns></returns>
public DateHistogramFacetDescriptor <T> Interval(string interval, DateRounding dateRounding)
{
var intervalString = interval.ToLowerInvariant();
var roundingString = Enum.GetName(typeof(DateRounding), dateRounding).ToLowerInvariant();
Self.Interval = intervalString + ":" + roundingString;
return(this);
}
/// <summary>
/// Rounds the current <see cref="DateTime" />to the nearest specified <see cref="interval" />, with the specified
/// <see cref="DateRounding" />
/// </summary>
public static DateTime RoundTo(this DateTime current, TimeSpan interval, DateRounding rounding)
{
if (interval == TimeSpan.Zero)
{
return(current);
}
switch (rounding)
{
case DateRounding.Down:
return(current.RoundDown(interval));
case DateRounding.Up:
return(current.RoundUp(interval));
default:
return(current.RoundToNearest(interval));
}
}
/// <summary>
/// Rounds the specified <see cref="DateTime" /> to the nearest second
/// </summary>
public static DateTime ToNearestSecond(this DateTime current, DateRounding rounding)
{
return(current.RoundTo(TimeSpan.FromSeconds(1), rounding));
}
/// <summary>
/// Rounds the specified <see cref="DateTime" /> to the nearest minute
/// </summary>
public static DateTime ToNearestMinute(this DateTime current, DateRounding rounding)
{
return(current.RoundTo(TimeSpan.FromMinutes(1), rounding));
}
public DateIndexNameProcessorDescriptor <T> DateRounding(DateRounding dateRounding) => Assign(a => a.DateRounding = dateRounding);
