コード例 #1
0
        private FacetGroup CalculateResultCount(IndexReader reader, DocIdSet baseDocIdSet, ISearchFilter filter, ISearchCriteria criteria)
        {
            FacetGroup result = null;

            var values = filter.GetValues();

            if (values != null)
            {
                BooleanFilter ffilter = null;
                foreach (var f in criteria.CurrentFilters)
                {
                    if (!f.Key.Equals(filter.Key))
                    {
                        if (ffilter == null)
                        {
                            ffilter = new BooleanFilter();
                        }

                        var q = LuceneQueryHelper.CreateQuery(criteria, f, Occur.SHOULD);
                        ffilter.Add(new FilterClause(q, Occur.MUST));
                    }
                }

                var groupLabels = filter.GetLabels();
                var facetGroup  = new FacetGroup(filter.Key, groupLabels);

                foreach (var group in values.GroupBy(v => v.Id))
                {
                    var value       = group.FirstOrDefault();
                    var valueFilter = LuceneQueryHelper.CreateQueryForValue(Results.SearchCriteria, filter, value);

                    if (valueFilter != null)
                    {
                        var queryFilter = new BooleanFilter();
                        queryFilter.Add(new FilterClause(valueFilter, Occur.MUST));
                        if (ffilter != null)
                        {
                            queryFilter.Add(new FilterClause(ffilter, Occur.MUST));
                        }

                        var filterArray = queryFilter.GetDocIdSet(reader);
                        var newCount    = (int)CalculateFacetCount(baseDocIdSet, filterArray);

                        if (newCount > 0)
                        {
                            var valueLabels = group.GetValueLabels();
                            var newFacet    = new Facet(facetGroup, group.Key, newCount, valueLabels);
                            facetGroup.Facets.Add(newFacet);
                        }
                    }
                }

                if (facetGroup.Facets.Any())
                {
                    result = facetGroup;
                }
            }

            return(result);
        }
コード例 #2
0
        /// <summary>
        /// Calculates the result count.
        /// </summary>
        /// <param name="reader">The reader.</param>
        /// <param name="baseDocIdSet">The base doc id set.</param>
        /// <param name="facetGroup">The facet group.</param>
        /// <param name="filter">The filter.</param>
        /// <param name="criteria">The criteria.</param>
        /// <returns></returns>
        private int CalculateResultCount(IndexReader reader, DocIdSet baseDocIdSet, FacetGroup facetGroup, ISearchFilter filter, ISearchCriteria criteria)
        {
            var count = 0;

            var values = LuceneQueryHelper.GetFilterValues(filter);

            if (values == null)
            {
                return(0);
            }

            BooleanFilter ffilter = null;

            foreach (var f in criteria.CurrentFilters)
            {
                if (!f.Key.Equals(facetGroup.FieldName))
                {
                    if (ffilter == null)
                    {
                        ffilter = new BooleanFilter();
                    }

                    var q = LuceneQueryHelper.CreateQuery(criteria, f, Occur.SHOULD);
                    ffilter.Add(new FilterClause(q, Occur.MUST));
                }
            }

            foreach (var value in values)
            {
                var queryFilter = new BooleanFilter();

                var valueFilter = LuceneQueryHelper.CreateQueryForValue(Results.SearchCriteria, filter, value);

                if (valueFilter == null)
                {
                    continue;
                }

                queryFilter.Add(new FilterClause(valueFilter, Occur.MUST));
                if (ffilter != null)
                {
                    queryFilter.Add(new FilterClause(ffilter, Occur.MUST));
                }

                var filterArray = queryFilter.GetDocIdSet(reader);
                var newCount    = (int)CalculateFacetCount(baseDocIdSet, filterArray);
                if (newCount == 0)
                {
                    continue;
                }

                var newFacet = new Facet(facetGroup, value.Id, GetDescription(value, Results.SearchCriteria.Locale), newCount);
                facetGroup.Facets.Add(newFacet);
                count += newCount;
            }

            return(count);
        }
コード例 #3
0
        /// <summary>
        /// Calculates the result count.
        /// </summary>
        /// <param name="reader">The reader.</param>
        /// <param name="baseDocIdSet">The base doc id set.</param>
        /// <param name="facetGroup">The facet group.</param>
        /// <param name="filter">The filter.</param>
        /// <param name="criteria">The criteria.</param>
        /// <returns></returns>
        private int CalculateResultCount(IndexReader reader, DocIdSet baseDocIdSet, FacetGroup facetGroup, ISearchFilter filter, ISearchCriteria criteria)
        {
            var count = 0;

            var values = LuceneQueryHelper.GetFilterValues(filter);

            if (values == null)
            {
                return 0;
            }

            BooleanFilter ffilter = null;
            foreach (var f in criteria.CurrentFilters)
            {
                if (!f.Key.Equals(facetGroup.FieldName))
                {
                    if (ffilter == null) ffilter = new BooleanFilter();

                    var q = LuceneQueryHelper.CreateQuery(criteria, f, Occur.SHOULD);
                    ffilter.Add(new FilterClause(q, Occur.MUST));
                }
            }

            foreach (var value in values)
            {
                var queryFilter = new BooleanFilter();
                    
                var valueFilter = LuceneQueryHelper.CreateQueryForValue(Results.SearchCriteria, filter, value);

                if (valueFilter == null) continue;

                queryFilter.Add(new FilterClause(valueFilter, Occur.MUST));
                if(ffilter!=null)
                    queryFilter.Add(new FilterClause(ffilter, Occur.MUST));

                var filterArray = queryFilter.GetDocIdSet(reader);
                var newCount = (int)CalculateFacetCount(baseDocIdSet, filterArray);
                if (newCount == 0) continue;

                var newFacet = new Facet(facetGroup, value.Id, GetDescription(value, Results.SearchCriteria.Locale), newCount);
                facetGroup.Facets.Add(newFacet);
                count += newCount;
            }

            return count;
        }