/// <summary>
/// Instructs firebase to send data lower or equal to the <see cref="valueFactory"/>. This must be preceded by an OrderBy query.
/// </summary>
/// <param name="child"> Current node. </param>
/// <param name="valueFactory"> Value to start at. </param>
/// <returns> The <see cref="FilterQuery"/>. </returns>
public static FilterQuery EndAt(this ParameterQuery child, Func <string> valueFactory)
{
return(new FilterQuery(child, () => "endAt", valueFactory, child.Client));
}
/// <summary>
/// Instructs firebase to send data equal to the <see cref="valueFactory"/>. This must be preceded by an OrderBy query.
/// </summary>
/// <param name="child"> Current node. </param>
/// <param name="valueFactory"> Value to start at. </param>
/// <returns> The <see cref="FilterQuery"/>. </returns>
public static FilterQuery EqualTo(this ParameterQuery child, Func <double> valueFactory)
{
return(new FilterQuery(child, () => "equalTo", valueFactory, child.Client));
}
/// <summary>
/// Limits the result to last <see cref="countFactory"/> items.
/// </summary>
/// <param name="child"> Current node. </param>
/// <param name="countFactory"> Number of elements. </param>
/// <returns> The <see cref="FilterQuery"/>. </returns>
public static FilterQuery LimitToLast(this ParameterQuery child, Func <int> countFactory)
{
return(new FilterQuery(child, () => "limitToLast", () => countFactory(), child.Client));
}
/// <summary>
/// Instructs firebase to send data greater or equal to the <see cref="valueFactory"/>. This must be preceded by an OrderBy query.
/// </summary>
/// <param name="child"> Current node. </param>
/// <param name="valueFactory"> Value to start at. </param>
/// <returns> The <see cref="FilterQuery"/>. </returns>
public static FilterQuery StartAt(this ParameterQuery child, Func <double> valueFactory)
{
return(new FilterQuery(child, () => "startAt", valueFactory, child.Client));
}