コード例 #1
0
        /// <summary>
        ///     Searches the datasource using the specified criteria. Criteria is parsed by the query builder specified by
        ///     <typeparamref />
        ///     .
        /// </summary>
        /// <param name="scope">Name of the application.</param>
        /// <param name="criteria">The criteria.</param>
        /// <returns></returns>
        /// <exception cref="VirtoCommerce.Search.Providers.Lucene.LuceneSearchException"></exception>
        public virtual ISearchResults Search(string scope, ISearchCriteria criteria)
        {
            TopDocs docs;

            var folderName = GetFolderName(scope, criteria.DocumentType);

            var dir      = FSDirectory.Open(new DirectoryInfo(GetDirectoryPath(folderName)));
            var searcher = new IndexSearcher(dir);

            var q = (QueryBuilder)QueryBuilder.BuildQuery(criteria);

            // filter out empty value
            var filter = q.Filter.ToString().Equals("BooleanFilter()") ? null : q.Filter;

            Debug.WriteLine("Search Lucene Query:{0}", (object)q.ToString());

            try
            {
                var numDocs = criteria.StartingRecord + criteria.RecordsToRetrieve;

                if (criteria.Sort != null)
                {
                    var fields = criteria.Sort.GetSort();

                    docs = searcher.Search(
                        q.Query,
                        filter,
                        numDocs,
                        new Sort(
                            fields.Select(field => new SortField(field.FieldName, field.DataType, field.IsDescending))
                            .ToArray()));
                }
                else
                {
                    docs = searcher.Search(q.Query, filter, numDocs);
                }
            }
            catch (Exception ex)
            {
                throw new LuceneSearchException("Search exception", ex);
            }

            var results = new LuceneSearchResults(searcher, searcher.IndexReader, docs, criteria, q.Query);

            // Cleanup here
            searcher.IndexReader.Dispose();
            searcher.Dispose();
            return(results.Results);
        }
コード例 #2
0
        /// <summary>
        ///     Searches the datasource using the specified criteria. Criteria is parsed by the query builder specified by
        ///     <typeparamref
        ///         name="QueryBuilderType" />
        ///     .
        /// </summary>
        /// <param name="scope">Name of the application.</param>
        /// <param name="criteria">The criteria.</param>
        /// <returns></returns>
        /// <exception cref="VirtoCommerce.Search.Providers.Lucene.LuceneSearchException"></exception>
        public virtual ISearchResults Search(string scope, ISearchCriteria criteria)
        {
            TopDocs docs = null;

            var folderName = this.GetFolderName(scope, criteria.DocumentType);

            var dir = FSDirectory.Open(new DirectoryInfo(this.GetDirectoryPath(folderName)));
            var searcher = new IndexSearcher(dir);

            var q = (Query)this.QueryBuilder.BuildQuery(criteria);

            Debug.WriteLine("Search Lucene Query:{0}", (object)q.ToString());

            try
            {
                var numDocs = criteria.StartingRecord + criteria.RecordsToRetrieve;

                if (criteria.Sort != null)
                {
                    var fields = criteria.Sort.GetSort();

                    docs = searcher.Search(
                        q,
                        null,
                        numDocs,
                        new Sort(
                            fields.Select(field => new SortField(field.FieldName, field.DataType, field.IsDescending))
                                  .ToArray()));
                }
                else
                {
                    docs = searcher.Search(q, numDocs);
                }
            }
            catch (Exception ex)
            {
                throw new LuceneSearchException("Search exception", ex);
            }

            var results = new LuceneSearchResults(searcher, searcher.IndexReader, docs, criteria, q);

            // Cleanup here
            searcher.IndexReader.Dispose();
            searcher.Dispose();
            return results.Results;
        }