solr express
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Facet range

Feature

Create a facet range

How to

  1. 1.
    Configure facet
DocumentCollection<TechProductDocument> documentCollection; // from DI
var rersult = documentCollection
.Select()
// gap: "1", start: "10", end: "100"
.FacetRange("AliasName", q => q.Price, "1", "10", "100")
.Execute();
  1. 1.
    Optionally, change one or more settings
DocumentCollection<TechProductDocument> documentCollection; // from DI
var rersult = documentCollection
.Select()
.FacetRange("AliasName", q => q.Price, "1", "10", "100", facet =>
{
facet.Minimum = 3;
facet.Limit = 5;
})
.Execute();
  1. 1.
    Read data
rersult
.Facets(out var data);
foreach (FacetItemRange facetItem in data)
{
// facetName = "AliasName"
var facetName = facetItem.Name;
//facetType = FacetType.Range
var facetType = facetItem.FacetType;
foreach (FacetItemRangeValue<decimal> facetItemValue in facetItem.Values)
{
// nested = nested facet (if configured)
var nested = facetItemValue.Facets;
// minimumValue = minimum value of item
var minimumValue = facetItemValue.MinimumValue;
// maximumValue = maximum value of item
var maximumValue = facetItemValue.MaximumValue;
// quantity = quantity of item's value
var quantity = facetItemValue.Quantity;
}
}

Settings

Use case
How to
Sort type of result of facet
.FacetRange("AliasName", q => q.Price, "1", "10", "100", facet => facet.SortType(FacetSortType.CountAsc))
Minimum count of itens in facet's result
.FacetRange("AliasName", q => q.Price, "1", "10", "100", facet => facet.Minimum(2))
Limit of itens in facet's result
.FacetRange("AliasName", q => q.Price, "1", "10", "100", facet => facet.Limit(10))
List of tags to exclude in facet calculation
.FacetRange("AliasName", q => q.Price, "1", "10", "100", facet => facet.Excludes(new[] { "tag1", "tag2" }))
Counts should also be computed for all records with field values lower then lower bound of the first range
.FacetRange("AliasName", q => q.Price, "1", "10", "100", facet => facet.CountBefore(true))
Counts should also be computed for all records with field values greater then the upper bound of the last range
.FacetRange("AliasName", q => q.Price, "1", "10", "100", facet => facet.CountAfter(true))
Specify a filter or list of filters to be intersected with the incoming domain before faceting
.FacetRange("AliasName", q => q.Price, "1", "10", "100", facet => facet.Filter(f => f.Field(q => q.Id).EqualsTo(10)))
Specify if last bucket will end at �end� even if it is less than �gap� wide
.FacetRange("AliasName", q => q.Price, "1", "10", "100", facet => facet.HardEnd(true))

NOTE

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