本文整理汇总了C#中QueryBuilder.Filter方法的典型用法代码示例。如果您正苦于以下问题：C# QueryBuilder.Filter方法的具体用法？C# QueryBuilder.Filter怎么用？C# QueryBuilder.Filter使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QueryBuilder的用法示例。
在下文中一共展示了QueryBuilder.Filter方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: BuildQuery
public object BuildQuery(ISearchCriteria criteria)
{
var builder = new QueryBuilder<ESDocument>();
var mainFilter = new Filter<ESDocument>();
var mainQuery = new BoolQuery<ESDocument>();
#region Sorting
// Add sort order
if (criteria.Sort != null)
{
var fields = criteria.Sort.GetSort();
foreach (var field in fields)
{
builder.Sort(d => d.Field(field.FieldName, field.IsDescending ? SortDirection.desc : SortDirection.asc, ignoreUnmapped: field.IgnoredUnmapped));
}
}
#endregion
#region Filters
// Perform facet filters
if (criteria.CurrentFilters != null)
{
var combinedFilter = new BoolFilter<ESDocument>();
// group filters
foreach (var filter in criteria.CurrentFilters)
{
// Skip currencies that are not part of the filter
if (filter.GetType() == typeof(PriceRangeFilter)) // special filtering
{
var priceRangeFilter = filter as PriceRangeFilter;
if (priceRangeFilter != null)
{
var currency = priceRangeFilter.Currency;
if (!currency.Equals(criteria.Currency, StringComparison.OrdinalIgnoreCase))
continue;
}
}
var filterQuery = ElasticQueryHelper.CreateQuery(criteria, filter);
if (filterQuery != null)
{
combinedFilter.Must(c => c.Bool(q=>filterQuery));
}
}
mainFilter.Bool(bl => combinedFilter);
}
#endregion
#region CatalogItemSearchCriteria
if (criteria is CatalogItemSearchCriteria)
{
var c = criteria as CatalogItemSearchCriteria;
mainQuery.Must(m => m
.Range(r => r.Field("startdate").To(c.StartDate.ToString("s")))
);
if (c.StartDateFrom.HasValue)
{
mainQuery.Must(m => m
.Range(r => r.Field("startdate").From(c.StartDateFrom.Value.ToString("s")))
);
}
if (c.EndDate.HasValue)
{
mainQuery.Must(m => m
.Range(r => r.Field("enddate").From(c.EndDate.Value.ToString("s")))
);
}
mainQuery.Must(m => m.Term(t => t.Field("__hidden").Value("false")));
if (c.Outlines != null && c.Outlines.Count > 0)
AddQuery("__outline", mainQuery, c.Outlines);
if (!String.IsNullOrEmpty(c.SearchPhrase))
{
AddQueryString("__content", mainQuery, c);
}
if (!String.IsNullOrEmpty(c.Catalog))
{
AddQuery("catalog", mainQuery, c.Catalog);
}
}
#endregion
if (criteria is ElasticSearchCriteria)
{
var c = criteria as ElasticSearchCriteria;
mainQuery.Must(m => m.Custom(c.RawQuery));
}
builder.Query(q => q.Bool(b => mainQuery));
//.........这里部分代码省略.........
示例2: btnQuery_Click
private void btnQuery_Click(object sender, EventArgs e)
{
List<Product> productList = new List<Product>();
for (int i = 0; i < 10; i++)
{
Product product = new Product();
product.Id = i + 1000;
product.Name = "Cost " + i.ToString();
Random random = new Random(i);
product.Quotation = new Quotation();
product.Quotation.Info = new Information();
product.Quotation.StartingPrice = 1000 + i;
product.Quotation.Info.Number = product.Id;
product.AnnualQuotation = new AnnualQuotation();
product.AnnualQuotation.StartingPrice = 5000 + i;
product.RecommandLevel = i;
product.Type = (i % 2 == 0) ? productType.Annual :
productType.NonAnnual;
productList.Add(product);
}
ProductRequest request = new ProductRequest();
request.IsAnnualCover = true;
request.OrderType = 1;
IQueryBuilder<Product> qb = new QueryBuilder<Product>();
var annualPriceOrderPredicateCases = new Dictionary<int, Expression<Func<Product, dynamic>>>();
var annualPriceSortOrderCases = new Dictionary<int, SortOrder>();
annualPriceOrderPredicateCases.Add(0, (p)=>p.AnnualQuotation != null ? p.AnnualQuotation.StartingPrice : p.Id);
annualPriceOrderPredicateCases.Add(1, (p)=>p.AnnualQuotation != null ? p.AnnualQuotation.StartingPrice : p.Id);
annualPriceOrderPredicateCases.Add(2, (p)=>p.RecommandLevel);
annualPriceSortOrderCases.Add(0, SortOrder.Ascending);
annualPriceSortOrderCases.Add(1, SortOrder.Descending);
annualPriceSortOrderCases.Add(2, SortOrder.Descending);
//qb.SwitchOrderBy(() => request.OrderType, annualPriceOrderPredicateCases, annualPriceSortOrderCases);
var nonAnnualOrderPredicateCases = new Dictionary<int, Expression<Func<Product, dynamic>>>();
var nonAnnualPriceSortOrderCases = new Dictionary<int, SortOrder>();
nonAnnualOrderPredicateCases.Add(1, p => p.Quotation != null ? p.Quotation.StartingPrice : p.Id);
nonAnnualOrderPredicateCases.Add(2, p => p.Quotation != null ? p.Quotation.StartingPrice : p.Id);
nonAnnualOrderPredicateCases.Add(3, p => p.RecommandLevel);
nonAnnualPriceSortOrderCases.Add(0, SortOrder.Ascending);
nonAnnualPriceSortOrderCases.Add(1, SortOrder.Descending);
nonAnnualPriceSortOrderCases.Add(2, SortOrder.Descending);
//qb.SwitchOrderBy(() => request.OrderType, nonAnnualOrderPredicateCases, nonAnnualPriceSortOrderCases);
IList<Product> pListOrdered =
qb.IfThenElse(() => request.IsAnnualCover,
() => qb.SwitchOrderBy(() => request.OrderType, annualPriceOrderPredicateCases, annualPriceSortOrderCases),
() => qb.SwitchOrderBy(() => request.OrderType, nonAnnualOrderPredicateCases, nonAnnualPriceSortOrderCases))
.ToList(productList);
var annualPriceCases = new Dictionary<int, Expression<Func<Product, bool>>>();
annualPriceCases.Add(1, p => p.Quotation.StartingPrice > 1003);
annualPriceCases.Add(2, p => p.Quotation.StartingPrice > 1004);
IList<Product> pList1 = qb.Switch(()=>request.OrderType, annualPriceCases).ToList(productList);
IList<Product> pList2 = qb.Filter(p => p.Id > 1000).
And(p => p.Quotation.StartingPrice > 1002).
OrderBy(p=>p.AnnualQuotation.StartingPrice).
ToList(productList.AsQueryable());
}