Пример #1
0
        public void PutIntoCache(string source, Language language, string query, long totalHits, SearchEngineResultSet resultSet)
        {
            Utils.ThrowException(source == null ? new ArgumentNullException("source") : null);
            Utils.ThrowException(query == null ? new ArgumentNullException("query") : null);
            Utils.ThrowException(resultSet == null ? new ArgumentNullException("resultSet") : null);
            Utils.ThrowException(totalHits < resultSet.Count ? new ArgumentValueException("totalHits") : null);
            string      normalizedQuery = string.Format("{0} {1} {2}", source, language, NormalizeQuery == null ? query : NormalizeQuery(query));
            int         actualSize      = resultSet.Count;
            CacheRecord cacheRecord     = new CacheRecord();

            cacheRecord.TotalHits  = totalHits;
            cacheRecord.ActualSize = resultSet.Count;
            StringWriter  stringWriter = new StringWriter();
            XmlTextWriter xmlWriter    = new XmlTextWriter(stringWriter);

            xmlWriter.Formatting = Formatting.Indented;
            resultSet.SaveXml(xmlWriter);
            cacheRecord.ResultSetXml = stringWriter.ToString();
            cacheRecord.TimeStamp    = DateTime.Now;
            if (mCache.ContainsKey(normalizedQuery))
            {
                mCache[normalizedQuery] = cacheRecord;
            }
            else
            {
                mCache.Add(normalizedQuery, cacheRecord);
            }
        }
Пример #2
0
        public void PutIntoCache(string source, Language language, string query, long totalHits, SearchEngineResultSet resultSet)
        {
            Utils.ThrowException(source == null ? new ArgumentNullException("source") : null);
            Utils.ThrowException(query == null ? new ArgumentNullException("query") : null);
            Utils.ThrowException(resultSet == null ? new ArgumentNullException("resultSet") : null);
            Utils.ThrowException(totalHits < resultSet.Count ? new ArgumentValueException("totalHits") : null);
            string normalizedQuery = string.Format("{0} {1} {2}", source, language, NormalizeQuery == null ? query : NormalizeQuery(query));

            mConnection.StartTransaction(); // start transaction
            // check if such query already exists
            DataTable dataTable = mConnection.ExecuteQuery("select * from Queries where Query = ?", normalizedQuery);

            if (dataTable.Rows.Count > 0)
            {
                // remove old database record
                mConnection.ExecuteNonQuery("delete from Queries where Query = ?", normalizedQuery);
            }
            // add new database record
            StringWriter  strWriter = new StringWriter();
            XmlTextWriter xmlWriter = new XmlTextWriter(strWriter);

            xmlWriter.Formatting = Formatting.Indented;
            resultSet.SaveXml(xmlWriter);
            mConnection.ExecuteNonQuery("insert into Queries (Query, TotalHits, ActualSize, ResultSetXml, TimeStamp) values (?, ?, ?, ?, ?)",
                                        normalizedQuery, totalHits, resultSet.Count, strWriter.ToString(), DateTime.Now);
            mConnection.Commit(); // commit
        }