private FilterMetric(BoolSelectorDelegate <T> selector, MetricsTemplate <T> template)
{
_selector = selector ?? throw new ArgumentNullException(nameof(selector));
_template = template ?? throw new ArgumentNullException(nameof(template));
_metric = _template.Create();
}
public SubMetric(SubSelectorDelegate <TSub, TBase> selector, BoolSelectorDelegate <TBase, TSub> filter, MetricsTemplate <TSub> template)
{
_selector = selector ?? throw new ArgumentNullException(nameof(selector));
_filter = filter ?? throw new ArgumentNullException(nameof(filter));
_template = template ?? throw new ArgumentNullException(nameof(template));
_metric = _template.Create();
}
public ValuesMetric(BoolSelectorDelegate <T> filterSelector, ValuesSelectorDelegate <T> selector)
{
_filterSelector = filterSelector ?? throw new ArgumentNullException(nameof(filterSelector));
_selector = selector ?? throw new ArgumentNullException(nameof(selector));
ColumnNames = new string[0];
Values = new object[0];
_done = false;
}
public ValueMetric(BoolSelectorDelegate <T> filterSelector, string name, ObjectSelectorDelegate <T> selector)
: base(filterSelector, data => new[] { new Val(name, selector(data)) })
{
}
public ValueMetric(BoolSelectorDelegate <T> filterSelector, ValSelectorDelegate <T> valueSelector)
: base(filterSelector, data => new[] { valueSelector(data) })
{
}
public CountMetric(BoolSelectorDelegate <T> canCountSelector, string name = "Count")
{
_canCountSelector = canCountSelector;
ColumnNames = new[] { name };
}
public RatioMetric(string name, BoolSelectorDelegate <T> include, double multiplier = 1.0)
{
_name = name ?? throw new ArgumentNullException(nameof(name));
_selector = include ?? throw new ArgumentNullException(nameof(include));
_multiplier = multiplier;
}
public RatioMetric(BoolSelectorDelegate <T> include, double multiplier = 1.0)
: this("Ratio", include, multiplier)
{
}
/// <summary>
/// Select only subset of rows which will be used to aggregate with provided metrics.
/// </summary>
/// <param name="selector">Return true for the data which should be aggregated</param>
/// <param name="metrics">Metrics to be used for filtered aggregation</param>
public FilterMetric(BoolSelectorDelegate <T> selector, params IMetric <T>[] metrics)
: this(selector, new MetricsTemplate <T>(metrics))
{
}
public SubMetric(SubSelectorDelegate <TSub, TBase> selector, BoolSelectorDelegate <TBase, TSub> filter, params IMetric <TSub>[] metrics)
: this(selector, filter, new MetricsTemplate <TSub>(metrics))
{
}
